Here is the given code, and the things I need to be done. Ive post.pdf
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The document provides code for a Java application with a menu bar. It asks the user to modify the code to: 1. Add a new menu item called "Open" that displays an image when clicked. 2. Modify the "New" menu item to display a quote and related image when clicked. 3. Test the modified program. It then asks the user to further modify the code to add a second column to the menu bar with items like "Welcome", "About", and duplicate the existing menu options.
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![new ActionListener(){
public void actionPerformed(ActionEvent e)
{
label1.setText(" Open");
JOptionPane.showMessageDialog(null, "Open was Clicked",
"Result", JOptionPane.PLAIN_MESSAGE);
}
}
);
ItemExit.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent e)
{
label1.setText(" Exit");
JOptionPane.showMessageDialog(null, "Exit was Clicked",
"Result", JOptionPane.PLAIN_MESSAGE);
}
}
);
JMenuBar bar = new JMenuBar();
setJMenuBar(bar);
bar.add(file);
getContentPane();
setSize(250, 250);
setVisible(true);
}
public static void main(String[] args)
{
JavaMenus appMenu = new JavaMenus();
appMenu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
Modify your program code for the JavaMenus.java file such that the program will include
a new menu item. To do this alter the menu component items scheme to appear as follows.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
PLEASE HELP ME !!IT IS Due Tonight ;(!i have to submit it before.pdf
PLEASE HELP ME !!
IT IS Due Tonight ;(!
i have to submit it before 12 palzz help me :\"\"(
How can I make the add button and remove button initialize button work?
For the buttons should add and remove to the JTextArea and JList.
when you write you use the JTextField to add or remove what you write in the JTextArea and
JList.
For the initialize, the button should initialize the text once.
Ihave three class.
this what I code so far:
import javax.swing.JFrame;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.Image;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import java.awt.Insets;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.SwingConstants;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.ImageIcon;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.logging.Handler;
import java.awt.event.ActionEvent;
import java.awt.GridLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import java.awt.Component;
import javax.swing.ButtonGroup;
import javax.swing.DropMode;
import javax.swing.border.EtchedBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.TitledBorder;
import javax.swing.UIManager;
import java.awt.FlowLayout;
public class Schedule extends JFrame implements ListSelectionListener, ActionListener {
private ScheduleTextArea STArea;
private ScheduleButton SButton;
private JRadioButtonMenuItem BRed;
private JRadioButtonMenuItem BBlue;
private JRadioButtonMenuItem BGreen;
private JRadioButtonMenuItem BYellow;
private JPanel cntrolPanel;
public static void main(String[] args){
Schedule S= new Schedule();
S.setVisible(true);
}
public Schedule() {
setTitle(\"Student schedule\");
setSize(800,700);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().setLayout(new GridLayout(0, 1, 0, 0));
createMenuBar();
cntrolPanel= new JPanel();
cntrolPanel.setBorder(new MatteBorder(3, 3, 3, 3, (Color) Color.GRAY));
getContentPane().add(cntrolPanel);
cntrolPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
STArea = new ScheduleTextArea();
STArea.setBorder(new MatteBorder(1, 1, 1, 1, (Color) new Color(128, 128, 128)));
cntrolPanel.add(STArea);
SButton = new ScheduleButton(null);
SButton.setBorder(new MatteBorder(1, 1, 1, 1, (Color) Color.GRAY));
cntrolPanel.add(SButton);
}
private void createMenuBar() {
BHandler handler = new BHandler();
JMenuBar menuBar= new JMenuBar();
setJ.
This program create a Java Frame with 5 rows of button with capti.pdf
/* This program create a Java Frame with 5 rows of button with captioned image on each button
When user clicks on any of the button it shows the name of image that is used Label for Title of
the Java Frame is created as My Translator
Event handling is used with the help of actionlistner interface */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Demo extends JFrame implements ActionListener
{
JFrame f;
JButton btn1,btn2,btn3,btn4,btn5;
Demo(){
f=new JFrame(\"My Translator\"); //creating frame object
btn1=new JButton(new ImageIcon(\"rsc//a.jpg\")); //creating button with image as caption
btn2=new JButton(new ImageIcon(\"rsc//b.jpg\"));
btn3=new JButton(new ImageIcon(\"rsc//c.jpg\"));
btn4=new JButton(new ImageIcon(\"rsc//d.jpg\"));
btn5=new JButton(new ImageIcon(\"rsc//e.jpg\"));
//adding button to actionlistener for even handling
btn1.addActionListener(this);
btn2.addActionListener(this);
btn3.addActionListener(this);
btn4.addActionListener(this);
btn5.addActionListener(this);
//adding button to frame
f.add(btn1);f.add(btn2);f.add(btn3);f.add(btn4);f.add(btn5);
f.setLayout(new GridLayout(5,1));
//setting grid layout of 5 rows and 1 columns
f.setSize(300,300);
f.setVisible(true);
//Close the execution of Java Program if user close the screen
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent ae)
{
//managing event of click on button when a user click on any button it show image name that
is used to show on button
if(ae.getSource()==btn1)
JOptionPane.showMessageDialog( null,\"A.JPG\" );
if(ae.getSource()==btn2)
JOptionPane.showMessageDialog( null,\"B.JPG\" );
if(ae.getSource()==btn3)
JOptionPane.showMessageDialog( null,\"C.JPG\" );
if(ae.getSource()==btn4)
JOptionPane.showMessageDialog( null,\"D.JPG\" );
if(ae.getSource()==btn5)
JOptionPane.showMessageDialog( null,\"E.JPG\" );
}
public static void main(String[] args) {
new Demo();
}
}
Solution
/* This program create a Java Frame with 5 rows of button with captioned image on each button
When user clicks on any of the button it shows the name of image that is used Label for Title of
the Java Frame is created as My Translator
Event handling is used with the help of actionlistner interface */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Demo extends JFrame implements ActionListener
{
JFrame f;
JButton btn1,btn2,btn3,btn4,btn5;
Demo(){
f=new JFrame(\"My Translator\"); //creating frame object
btn1=new JButton(new ImageIcon(\"rsc//a.jpg\")); //creating button with image as caption
btn2=new JButton(new ImageIcon(\"rsc//b.jpg\"));
btn3=new JButton(new ImageIcon(\"rsc//c.jpg\"));
btn4=new JButton(new ImageIcon(\"rsc//d.jpg\"));
btn5=new JButton(new ImageIcon(\"rsc//e.jpg\"));
//adding button to actionlistener for even handling
btn1.addActionListener(this);
btn2.addActionListener(this);
btn3.addActionListener(this);
btn4.addActionListener(this);
btn5.addActionListener(this);
//adding button to frame
.
How do I make my JTable non editableimport java.awt.; import j.pdf
How do I make my JTable non editable?
import java.awt.*;
import javax.swing.table.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableModel;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.nio.*;
import java.nio.charset.Charset;
import java.nio.file.*;
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import java.util.StringTokenizer;
public class SwingDemo implements ActionListener, KeyListener
{
JLabel search, output;
JFrame viewer;
JTable table = new JTable(new DefaultTableModel(null, new Object []{\"Row ID\", \"First
Name\", \"Last Name\", \"EMPLID\", \"GPA\", \"Venus Login\"}));
JFrame viewerAdd;
DefaultTableModel model = (DefaultTableModel) table.getModel();
JTextField first = new JTextField(20);
JTextField last = new JTextField(20);
JTextField emplid = new JTextField(20);
JTextField gpa = new JTextField(20);
JTextField venus = new JTextField(10);
String Venus;
public static int rowCount = 1;
public final static int LOAD = 0;
public final static int SAVE = 1;
public SwingDemo()
{
//Creates Java Frame
viewer = new JFrame(\"Final Project\");
viewer.setSize(570, 650);
viewer.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
viewer.setLayout(new FlowLayout());
viewer.setLocationRelativeTo(viewer);
//Creates Drop Down Menu
String[] option = { \"Row ID\", \"First Name\", \"Last Name\", \"EMPLID\", \"GPA\", \"Venus
Login\" };
JComboBox options = new JComboBox(option);
options.setSelectedIndex(0);
//Creates Button and Labels
search = new JLabel(\"Search by: \");
JButton addButton = new JButton(\"Add\");
JButton deleteButton = new JButton(\"Delete\");
JButton exportButton = new JButton(\"Export Data\");
//Creates JTable
JTextField textBox = new JTextField(20);
table = new JTable(model);
JScrollPane scrollPane = new JScrollPane(table);
table.setFillsViewportHeight(true);
//Creates Menu Bar
JMenuBar menuBar = new JMenuBar();
JMenu fileMenu = new JMenu(\"File\");
JMenu helpMenu = new JMenu(\"Help\");
menuBar.add(fileMenu);
menuBar.add(helpMenu);
JMenuItem openAction = new JMenuItem(\"Open\");
JMenuItem exitAction = new JMenuItem(\"Exit\");
JMenuItem exportAction = new JMenuItem(\"Export\");
JMenuItem aboutAction = new JMenuItem(\"About\");
fileMenu.add(openAction);
fileMenu.add(exportAction);
fileMenu.add(exitAction);
helpMenu.add(aboutAction);
//fileChooser.setDialogTitle(\"Choose a file\");
//ActionListener
openAction.addActionListener(this);
exitAction.addActionListener(this);
aboutAction.addActionListener(this);
addButton.addActionListener(this);
//Action Events
//Adds Elements to Java Frame
viewer.setJMenuBar(menuBar);
viewer.add(search);
viewer.add(options);
viewer.add(textBox);
viewer.add(addButton);
viewer.add(deleteButton);
viewer.add(scrollPane);
viewer.add(exportButton);
viewer.setVisible(true);
}
public void addUser()
{
JButton OK = new JButton(\"OK\");
JButton CANCEL = new JButton(\"CANCEL\");
//JTextField
//Strings
JLabel firs.
Notepad
This Java code defines a Notepad application with a graphical user interface. It includes classes to handle menu items and toolbar buttons for common editing functions like new, open, save, copy, cut and paste. The main Notepad class extends JPanel and adds the menu bar, toolbar and text area to the frame on initialization.
Hafitz_Rizki 201343500823 JMenuBar_JavaMsAccess_JavaGrade
Ini adalah tugas dari mata kuliah pemrograman visual tentang penerapan Aplikasi Java menggunakan JMenuBar, Java-Ms.Access, dan Java Individu(Hitung Grade)
PAGE 1Input output for a file tutorialStreams and File IOI.docx
PAGE
1Input output for a file tutorialStreams and File I/O
In this tutorial we study the following concepts:
Text File I/O
Techniques for a file: Class File
Binary File I/O
File Objects and File Name
Note: For question 4 of the midterm you only need to look at the sections 2.2 and 2.3. I do not think you need java class: StringTokenizer. But I just added a small section about it to the end of this tutorial.
So far we learned keyboard/screen I/O. It is time to learn File I/O.
1 An Overview of stream and file I/O
A stream is an object that either outputs data or inputs data. The Java System.out is a stream object that outputs data on the screen.
As our program gets bigger and bigger we may need to enter a lot of data every time we run our program. We also may have a lot of data as the output of the program. It is not practical to enter a sizable input from the keyboard. Therefore, we save the data in a file and let our program to input from this file. Similarly, it is not practical to look at a sizable output. Moreover, we may need to save the output for further study. Therefore, we let our program to output to a file.
We have two kinds of I/O files: Text files and binary files. A text file is readable and understandable by human, but a binary file is not. The size of a text file is bigger than the size of a binary file. We can write arrays without using a loop into a binary file. We can also write objects to a binary file.
2 Text-File I/O
In this section we learn how to input from a text file and how to output to a text file. We first look at output instructions for a text file.
2.1 Text-File Output with PrintWriter class.
To be able to write to a file we need the Java class PrintWriter. This class is in JDK java.io, therefore we need to import it . Another class that we need is : FileOutputStream. This class also is in java.io. A file output stream is an output stream for writing data to a File.
Example 1. The following program to write an integer, a floating point number, a Boolean value and a string into a text file.
import java. io. PrintWriter;
import java. io. FileNotFoundException;
publicclass Main {
publicstaticvoid main( String[] args) {
PrintWriter out = null;
try {
out = new PrintWriter("out.txt");
} catch( FileNotFoundException e) {
System. out. println("Error: opening the file out.txt");
System. exit( 0);
}
out.println(-12);
out.println(25.5);
out.println(true);
out.println("John Doe.");
//Note that we also can write:
out.println(-12+"\n"+ 25.5 + "\n" + true + "\n" + "John Doe.");
out.close();
} }
The content of the file out.txt would be:
-12
25.5
true
John Doe.
-12
25.5
true
John Doe.
Description:
First we need to declare a variable that refers to and object of class PrintWriter. This class has several constructors. One of them needs the name of the output file on the hard drive (or other storages): out = new PrintWriter("out.txt")
This instruction co.
Chapter 2 - Getting Started with Java
This document provides an overview of writing simple Java programs. It introduces key Java concepts like objects, classes, methods, and standard library classes.
The first program example displays a window using the JFrame class. Object declaration and creation are described. Standard classes like JOptionPane, String, Date, and SimpleDateFormat are presented.
Program development is explained using an incremental approach. Comments, imports, and class/method declarations are covered. Object-oriented concepts like objects, messages, and dependencies are illustrated in program diagrams.
Java căn bản - Chapter2
The document provides an overview of basic Java programming concepts including:
1) The first Java program displays a window with a title and size set using the JFrame class. Object declaration and creation are described.
2) Key Java program components like comments, import statements, and class declarations are explained. The main method and its components are also outlined.
3) Common standard Java classes like JOptionPane, String, Date, and SimpleDateFormat are introduced and their basic usage is demonstrated through examples. Key string methods like substring, length, and indexOf are defined.
Recommended
PLEASE HELP ME !!IT IS Due Tonight ;(!i have to submit it before.pdf
PLEASE HELP ME !!
IT IS Due Tonight ;(!
i have to submit it before 12 palzz help me :\"\"(
How can I make the add button and remove button initialize button work?
For the buttons should add and remove to the JTextArea and JList.
when you write you use the JTextField to add or remove what you write in the JTextArea and
JList.
For the initialize, the button should initialize the text once.
Ihave three class.
this what I code so far:
import javax.swing.JFrame;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.Image;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import java.awt.Insets;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.SwingConstants;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.ImageIcon;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.logging.Handler;
import java.awt.event.ActionEvent;
import java.awt.GridLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import java.awt.Component;
import javax.swing.ButtonGroup;
import javax.swing.DropMode;
import javax.swing.border.EtchedBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.TitledBorder;
import javax.swing.UIManager;
import java.awt.FlowLayout;
public class Schedule extends JFrame implements ListSelectionListener, ActionListener {
private ScheduleTextArea STArea;
private ScheduleButton SButton;
private JRadioButtonMenuItem BRed;
private JRadioButtonMenuItem BBlue;
private JRadioButtonMenuItem BGreen;
private JRadioButtonMenuItem BYellow;
private JPanel cntrolPanel;
public static void main(String[] args){
Schedule S= new Schedule();
S.setVisible(true);
}
public Schedule() {
setTitle(\"Student schedule\");
setSize(800,700);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().setLayout(new GridLayout(0, 1, 0, 0));
createMenuBar();
cntrolPanel= new JPanel();
cntrolPanel.setBorder(new MatteBorder(3, 3, 3, 3, (Color) Color.GRAY));
getContentPane().add(cntrolPanel);
cntrolPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
STArea = new ScheduleTextArea();
STArea.setBorder(new MatteBorder(1, 1, 1, 1, (Color) new Color(128, 128, 128)));
cntrolPanel.add(STArea);
SButton = new ScheduleButton(null);
SButton.setBorder(new MatteBorder(1, 1, 1, 1, (Color) Color.GRAY));
cntrolPanel.add(SButton);
}
private void createMenuBar() {
BHandler handler = new BHandler();
JMenuBar menuBar= new JMenuBar();
setJ.
This program create a Java Frame with 5 rows of button with capti.pdf
/* This program create a Java Frame with 5 rows of button with captioned image on each button
When user clicks on any of the button it shows the name of image that is used Label for Title of
the Java Frame is created as My Translator
Event handling is used with the help of actionlistner interface */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Demo extends JFrame implements ActionListener
{
JFrame f;
JButton btn1,btn2,btn3,btn4,btn5;
Demo(){
f=new JFrame(\"My Translator\"); //creating frame object
btn1=new JButton(new ImageIcon(\"rsc//a.jpg\")); //creating button with image as caption
btn2=new JButton(new ImageIcon(\"rsc//b.jpg\"));
btn3=new JButton(new ImageIcon(\"rsc//c.jpg\"));
btn4=new JButton(new ImageIcon(\"rsc//d.jpg\"));
btn5=new JButton(new ImageIcon(\"rsc//e.jpg\"));
//adding button to actionlistener for even handling
btn1.addActionListener(this);
btn2.addActionListener(this);
btn3.addActionListener(this);
btn4.addActionListener(this);
btn5.addActionListener(this);
//adding button to frame
f.add(btn1);f.add(btn2);f.add(btn3);f.add(btn4);f.add(btn5);
f.setLayout(new GridLayout(5,1));
//setting grid layout of 5 rows and 1 columns
f.setSize(300,300);
f.setVisible(true);
//Close the execution of Java Program if user close the screen
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent ae)
{
//managing event of click on button when a user click on any button it show image name that
is used to show on button
if(ae.getSource()==btn1)
JOptionPane.showMessageDialog( null,\"A.JPG\" );
if(ae.getSource()==btn2)
JOptionPane.showMessageDialog( null,\"B.JPG\" );
if(ae.getSource()==btn3)
JOptionPane.showMessageDialog( null,\"C.JPG\" );
if(ae.getSource()==btn4)
JOptionPane.showMessageDialog( null,\"D.JPG\" );
if(ae.getSource()==btn5)
JOptionPane.showMessageDialog( null,\"E.JPG\" );
}
public static void main(String[] args) {
new Demo();
}
}
Solution
/* This program create a Java Frame with 5 rows of button with captioned image on each button
When user clicks on any of the button it shows the name of image that is used Label for Title of
the Java Frame is created as My Translator
Event handling is used with the help of actionlistner interface */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Demo extends JFrame implements ActionListener
{
JFrame f;
JButton btn1,btn2,btn3,btn4,btn5;
Demo(){
f=new JFrame(\"My Translator\"); //creating frame object
btn1=new JButton(new ImageIcon(\"rsc//a.jpg\")); //creating button with image as caption
btn2=new JButton(new ImageIcon(\"rsc//b.jpg\"));
btn3=new JButton(new ImageIcon(\"rsc//c.jpg\"));
btn4=new JButton(new ImageIcon(\"rsc//d.jpg\"));
btn5=new JButton(new ImageIcon(\"rsc//e.jpg\"));
//adding button to actionlistener for even handling
btn1.addActionListener(this);
btn2.addActionListener(this);
btn3.addActionListener(this);
btn4.addActionListener(this);
btn5.addActionListener(this);
//adding button to frame
.
How do I make my JTable non editableimport java.awt.; import j.pdf
How do I make my JTable non editable?
import java.awt.*;
import javax.swing.table.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableModel;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.nio.*;
import java.nio.charset.Charset;
import java.nio.file.*;
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import java.util.StringTokenizer;
public class SwingDemo implements ActionListener, KeyListener
{
JLabel search, output;
JFrame viewer;
JTable table = new JTable(new DefaultTableModel(null, new Object []{\"Row ID\", \"First
Name\", \"Last Name\", \"EMPLID\", \"GPA\", \"Venus Login\"}));
JFrame viewerAdd;
DefaultTableModel model = (DefaultTableModel) table.getModel();
JTextField first = new JTextField(20);
JTextField last = new JTextField(20);
JTextField emplid = new JTextField(20);
JTextField gpa = new JTextField(20);
JTextField venus = new JTextField(10);
String Venus;
public static int rowCount = 1;
public final static int LOAD = 0;
public final static int SAVE = 1;
public SwingDemo()
{
//Creates Java Frame
viewer = new JFrame(\"Final Project\");
viewer.setSize(570, 650);
viewer.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
viewer.setLayout(new FlowLayout());
viewer.setLocationRelativeTo(viewer);
//Creates Drop Down Menu
String[] option = { \"Row ID\", \"First Name\", \"Last Name\", \"EMPLID\", \"GPA\", \"Venus
Login\" };
JComboBox options = new JComboBox(option);
options.setSelectedIndex(0);
//Creates Button and Labels
search = new JLabel(\"Search by: \");
JButton addButton = new JButton(\"Add\");
JButton deleteButton = new JButton(\"Delete\");
JButton exportButton = new JButton(\"Export Data\");
//Creates JTable
JTextField textBox = new JTextField(20);
table = new JTable(model);
JScrollPane scrollPane = new JScrollPane(table);
table.setFillsViewportHeight(true);
//Creates Menu Bar
JMenuBar menuBar = new JMenuBar();
JMenu fileMenu = new JMenu(\"File\");
JMenu helpMenu = new JMenu(\"Help\");
menuBar.add(fileMenu);
menuBar.add(helpMenu);
JMenuItem openAction = new JMenuItem(\"Open\");
JMenuItem exitAction = new JMenuItem(\"Exit\");
JMenuItem exportAction = new JMenuItem(\"Export\");
JMenuItem aboutAction = new JMenuItem(\"About\");
fileMenu.add(openAction);
fileMenu.add(exportAction);
fileMenu.add(exitAction);
helpMenu.add(aboutAction);
//fileChooser.setDialogTitle(\"Choose a file\");
//ActionListener
openAction.addActionListener(this);
exitAction.addActionListener(this);
aboutAction.addActionListener(this);
addButton.addActionListener(this);
//Action Events
//Adds Elements to Java Frame
viewer.setJMenuBar(menuBar);
viewer.add(search);
viewer.add(options);
viewer.add(textBox);
viewer.add(addButton);
viewer.add(deleteButton);
viewer.add(scrollPane);
viewer.add(exportButton);
viewer.setVisible(true);
}
public void addUser()
{
JButton OK = new JButton(\"OK\");
JButton CANCEL = new JButton(\"CANCEL\");
//JTextField
//Strings
JLabel firs.
Notepad
This Java code defines a Notepad application with a graphical user interface. It includes classes to handle menu items and toolbar buttons for common editing functions like new, open, save, copy, cut and paste. The main Notepad class extends JPanel and adds the menu bar, toolbar and text area to the frame on initialization.
Hafitz_Rizki 201343500823 JMenuBar_JavaMsAccess_JavaGrade
Ini adalah tugas dari mata kuliah pemrograman visual tentang penerapan Aplikasi Java menggunakan JMenuBar, Java-Ms.Access, dan Java Individu(Hitung Grade)
PAGE 1Input output for a file tutorialStreams and File IOI.docx
PAGE
1Input output for a file tutorialStreams and File I/O
In this tutorial we study the following concepts:
Text File I/O
Techniques for a file: Class File
Binary File I/O
File Objects and File Name
Note: For question 4 of the midterm you only need to look at the sections 2.2 and 2.3. I do not think you need java class: StringTokenizer. But I just added a small section about it to the end of this tutorial.
So far we learned keyboard/screen I/O. It is time to learn File I/O.
1 An Overview of stream and file I/O
A stream is an object that either outputs data or inputs data. The Java System.out is a stream object that outputs data on the screen.
As our program gets bigger and bigger we may need to enter a lot of data every time we run our program. We also may have a lot of data as the output of the program. It is not practical to enter a sizable input from the keyboard. Therefore, we save the data in a file and let our program to input from this file. Similarly, it is not practical to look at a sizable output. Moreover, we may need to save the output for further study. Therefore, we let our program to output to a file.
We have two kinds of I/O files: Text files and binary files. A text file is readable and understandable by human, but a binary file is not. The size of a text file is bigger than the size of a binary file. We can write arrays without using a loop into a binary file. We can also write objects to a binary file.
2 Text-File I/O
In this section we learn how to input from a text file and how to output to a text file. We first look at output instructions for a text file.
2.1 Text-File Output with PrintWriter class.
To be able to write to a file we need the Java class PrintWriter. This class is in JDK java.io, therefore we need to import it . Another class that we need is : FileOutputStream. This class also is in java.io. A file output stream is an output stream for writing data to a File.
Example 1. The following program to write an integer, a floating point number, a Boolean value and a string into a text file.
import java. io. PrintWriter;
import java. io. FileNotFoundException;
publicclass Main {
publicstaticvoid main( String[] args) {
PrintWriter out = null;
try {
out = new PrintWriter("out.txt");
} catch( FileNotFoundException e) {
System. out. println("Error: opening the file out.txt");
System. exit( 0);
}
out.println(-12);
out.println(25.5);
out.println(true);
out.println("John Doe.");
//Note that we also can write:
out.println(-12+"\n"+ 25.5 + "\n" + true + "\n" + "John Doe.");
out.close();
} }
The content of the file out.txt would be:
-12
25.5
true
John Doe.
-12
25.5
true
John Doe.
Description:
First we need to declare a variable that refers to and object of class PrintWriter. This class has several constructors. One of them needs the name of the output file on the hard drive (or other storages): out = new PrintWriter("out.txt")
This instruction co.
Chapter 2 - Getting Started with Java
This document provides an overview of writing simple Java programs. It introduces key Java concepts like objects, classes, methods, and standard library classes.
The first program example displays a window using the JFrame class. Object declaration and creation are described. Standard classes like JOptionPane, String, Date, and SimpleDateFormat are presented.
Program development is explained using an incremental approach. Comments, imports, and class/method declarations are covered. Object-oriented concepts like objects, messages, and dependencies are illustrated in program diagrams.
Java căn bản - Chapter2
The document provides an overview of basic Java programming concepts including:
1) The first Java program displays a window with a title and size set using the JFrame class. Object declaration and creation are described.
2) Key Java program components like comments, import statements, and class declarations are explained. The main method and its components are also outlined.
3) Common standard Java classes like JOptionPane, String, Date, and SimpleDateFormat are introduced and their basic usage is demonstrated through examples. Key string methods like substring, length, and indexOf are defined.
This is a java lab assignment. I have added the first part java re.pdf
This is a java lab assignment. I have added the first part \"java retail class\" at the bottom. I am
unsure how to read the txt file into an array from the retail class. The stock txt file has been
added also.
A beginning framework and inventory list has been provided to you to use your Retail Item Class
as an array. Develop a program to accomplish the following menu items that can be selected by
the end user. Discussion of what each menu item should do is provided below the menu item.
Modify your object class file as desired. Please append initials to files created. Use Select-Case
for menu choices and methods to perform those choices. Please make a selection: 1. Open
Inventory File (This should ask the user for the file name, open the file and load the data into the
object array). 2. Display All (This should show a table of all items and data) 3. Display Reorder
Only (This should show only the stock number, Description and current quantity for items
requiring reorder) 4. Find Stock number (Allows the user to enter part of the description and
displays all matching stock numbers and descriptions matching that - case insensitive, such as
“cubs” or “cubs”) 5. Display Stock number (Allows user to enter stock number and displays
record of item) 6. Add Quantity (Asks for stock number and quantity for units, adds it to current,
displays record results) 7. Subtract Quantity (Asks for stock number and quantity, subtracts,
displays results including if reorder is needed.) 8. Change Price (Asks for stick number, changes
price to provided value, display results). 9. New Item (Allows adding a new item, updates count.
Display record results). 10. Save Inventory File (asks user for file name, save all inventory to
that file in a format that can be read back.)
public class RetailItem{
private String description;
private int unitsOnHand;
private double price;
private int restock;
public void setDescription(String userDescription){
description=userDescription;
}
public void setUnitsOnHand(int userUnitsOnHand){
unitsOnHand=userUnitsOnHand;
}
public void setPrice(double userPrice){
price=userPrice;
}
public String getDescription(){
return description;
}
public int getUnitsOnHand(){
return unitsOnHand;
}
public double getPrice(){
return price;
}
public double getTotal(){
int total = unitsOnHand=(int) price;
return total;
}
public boolean getRestock(){
return false;
}
public RetailItem(String descriptionGiven, int unitsOnHandGiven, double priceGiven, int
restockGiven){
description=descriptionGiven;
unitsOnHand=unitsOnHandGiven;
price=priceGiven;
restock=restockGiven;
}
}
Solution
public class RetailItem{
private int stocknumber;
private String description;
private int unitsOnHand;
private double price;
private int restock;
public void setDescription(String userDescription){
description=userDescription;
}
public int getStocknumber() {
return stocknumber;
}
public void setStocknumber(int stocknumber) {
this.stocknumber = stocknumber;
}
public void setUnitsOnHand(in.
Swings in java
The document discusses various GUI components in Java Swing and SWT toolkits. It describes Swing as the official Java GUI toolkit that is written entirely in Java and provides a rich set of widgets. It also discusses SWT as an alternative GUI library that is more lightweight but less powerful than Swing. Basic examples are provided for creating windows, adding buttons, menus, toolbars and other components in a Java Swing application.
I need help with this Java assignment. Please include comments throu.pdf
I need help with this Java assignment. Please include comments throughout. Thanks
Write a program that will make a copy of a text file, line by line. Read the name of the existing
file and the name of the new file - the copy - from the keyboard. Use the methods of the class
File to test whether the original file exists and can be read. If not, display an error message and
abort the program. Similarly, see whether the name of the new file already exists. If so, display a
warning message and allow the user to either abort the program , overwrite the existing file, or
enter a new name for the file.
Solution
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class Project4
{
public static void main(String[] args)
{
System.out.print(\"Enter file name: \");
Scanner keybaord = new Scanner(System.in);
String fileName = keyboard.next();
Scanner inputStream = null;
System.out.println(fileName);
File fileObject = new File(\"old.txt\");
String path = \"C:\\\\Library\\\\Documents\\\\NetBeansProjects\\\\Project4\";
File source = new File(path);
try
{
inputStream = new Scanner(new File(fileName));
}
catch(FileNotFoundException e)
{
System.out.println(\"Error opening the file \" + fileName);
System.exit(0);
}
while (inputStream.hasNextLine())
{
String line = inputStream.nextLine();
System.out.println(line);
}
inputStream.close();
boolean fileOK = false;
while (!fileOK)
{
if (!fileObject.exists())
System.out.println(\"No such file\");
else if (!fileObject.canRead())
System.out.println(\"That file is not readable.\");
else
fileOK = true;
if (!fileOK)
{
System.out.println(\"Enter the file name again:\");
fileName = keyboard.next();
fileObject = new File(fileName);
}
}
}
public static void PrintWriter openOutputTextFile
{
(String fileName) throws FileNotFoundException
{
PrintWriter toFile = new PrintWriter(fileName);
return toFile;
}
PrintWriter outputStream = null;
try
{
outputStream = openOutputTextFile(\"old.txt\");
}
catch (FileNotFoundException e)
}
}.
How do I add a ComboBox to this, underneath Enter Student ID tha.pdf
How do I add a ComboBox to this, underneath \"Enter Student ID\" that says the following?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
public class Registration extends JFrame {
private JDesktopPane theDesktop;
public Registration(){
theDesktop = new JDesktopPane();
JMenuBar bar = new JMenuBar();
JMenu fileMenu = new JMenu(\"Course\");
JMenuItem addCourseItem = new JMenuItem(\"Add Course\");
fileMenu.add(addCourseItem);
JMenu tuitionMenu = new JMenu(\"Tuition\");
JMenuItem calculateItem = new JMenuItem(\"Calculate Tuition\");
JMenuItem printTuitionItem = new JMenuItem(\"Print Tuition\");
JMenuItem printSchedulesItem = new JMenuItem(\"Print Student Schedules\");
tuitionMenu.add(calculateItem);
tuitionMenu.add(printTuitionItem);
tuitionMenu.add(printSchedulesItem);
JMenu exitMenu = new JMenu(\"Exit\");
JMenuItem exitProgramItem = new JMenuItem(\"Exit Program\");
exitMenu.add(exitProgramItem);
addCourseItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae) {
JInternalFrame frame = new JInternalFrame(\"Enter Student ID\", true, true, true, true);
ReadPanel rp = new ReadPanel();
frame.add(rp);
frame.pack();
theDesktop.add(frame);
frame.setVisible(true);
}
});
exitProgramItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
System.exit(0);
}
});
calculateItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
printTuitionItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
printSchedulesItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
bar.add(fileMenu);
bar.add(tuitionMenu);
bar.add(exitMenu);
setJMenuBar(bar);
add(theDesktop);
}
public class ReadPanel extends Panel{
private JLabel findLabel;
private JTextField findField;
private JLabel buttonLabel;
private JButton submitButton;
public ReadPanel(){
findLabel = new JLabel(\"Enter Student ID\");
findField = new JTextField(15);
buttonLabel = new JLabel(\"Select Course\");
buttonLabel = new JLabel(\"Click to Add\");
submitButton = new JButton(\"Submit\");
setLayout(new GridLayout(2,2));
submitButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
System.out.println(findField.getText());
findField.setText(\"\");
}
});
add(findLabel);
add(findField);
add(buttonLabel);
add(buttonLabel);
add(submitButton);
}
}
public static void main(String[] args){
Registration r1 = new Registration();
r1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
r1.setLocationRelativeTo(null);
r1.setSize(400,400);
r1.setVisible(true);
}
} Registration System Course Tuition Exit Course Panel Enter Student ID Select Course Click
to Add Select One Submit
Solution
//Changes added to Registration class in bold text
//Registration.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
public class Registration extends JFrame {
pr.
Java Assignment Help
Stock Control program in java
This program is for controlling the stock. User can perform several actions like- checking stock , adding stock, verification of password, purchasing item, and updating stock.
programmingassignments.com is the dedicated solution provider for Java assignments and homework based on the Java Programming languages. Email us your Java assignment info@programmingassignments.com or discuss your homework on live chat with our expert and get the necessary help for your Java Programming assignment.
Spring hibernate jsf_primefaces_intergration
This document provides a step-by-step guide to integrating Spring, Hibernate, JSF, and PrimeFaces in a Java web application. It describes setting up the technologies and dependencies, configuring the application context and data source, adding entity classes and DAOs, and testing each step. The 5 steps include setting up Maven and JSF, adding PrimeFaces, integrating Spring, and finally connecting to a PostgreSQL database using Hibernate.
From Swing to JavaFX
This document discusses migrating from Swing to JavaFX. It presents 3 migration scenarios: 1) embedding JavaFX in Swing, 2) rewriting Swing apps without FXML, and 3) rewriting with FXML. Key similarities and differences between Swing and JavaFX concepts like buttons, layouts, and tables are outlined. FXML is described as a way to declaratively describe JavaFX scene graphs using XML. The document also briefly mentions tools like Scene Builder and concludes without covering advanced JavaFX topics like CSS, animation, and effects.
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!
Create a program that authenticates username and password. The program should have a clear
and submit button. If you click sumbit it will go to a new JFrame. The new Jframe contain a
menu button( that does nothing) and a logout button that exits the program.
Solution
import java.sql.*;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.*;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Administrator
*/
public class Login extends javax.swing.JFrame {
/**
* Creates new form Login
*/
public Login() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jPasswordField1 = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setFont(new java.awt.Font(\"Tahoma\", 1, 18)); // NOI18N
jLabel1.setText(\"Hiding Data Cloud \");
jLabel2.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel2.setText(\"User Name : \");
jLabel3.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel3.setText(\"Password :\");
jButton1.setText(\"Login\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(96, 96, 96)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 134,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jPasswordField1))))))
.addContainerGap(112, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel1)
.addGap(53, 53, 53)
.addGroup(layout.creat.
Swing
The document discusses Swing components in Java, including how to create windows, add components to windows, handle events, and work with text components. Key topics covered include the component hierarchy for common Swing widgets like JFrame, JLabel, JButton, and JTextField. It also discusses how to register listeners, manipulate document content, and build a basic browser component.
Write an application containing three parallel arrays that hold 10 e.pdf
Write an application containing three parallel arrays that hold 10 elements each. The first array
hold four-digit student ID numbers, the second array holds first names, and the third array holds
the students’ grade point averages. Use dialog boxes to accept a student ID number and display
the student’s first name and grade point average. If a match is not found, display an error
message that includes the invalid ID number and allow the user to search for a new ID number.
Solution
package javaapplication;
public class BoxJFrame extends javax.swing.JFrame {
/**
* Creates new form BoxJFrame
*/
private int[] studentsID = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
private String[] studentsName ={\"Alan\", \"Cris\", \"Joe\", \"Suzzy\", \"Stan\", \"Eminem\",
\"Josh\", \"Ann\", \"Katy\", \"Ralph\"};
private double[] studentsGP = {2.8, 4.1, 3.5, 4.0, 3.8, 3.75, 3.0, 4.2, 3.9, 3.6};
public BoxJFrame() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTextPane1 = new javax.swing.JTextPane();
jLabel1 = new javax.swing.JLabel();
jScrollPane2 = new javax.swing.JScrollPane();
jTextPane2 = new javax.swing.JTextPane();
jButton1 = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jScrollPane3 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jScrollPane1.setViewportView(jTextPane1);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText(\"Input student ID\");
jScrollPane2.setViewportView(jTextPane2);
jButton1.setText(\"Search\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
}
);
jLabel2.setText(\"Result\");
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane3.setViewportView(jTextArea1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(25, 25, 25)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 135,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 179,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(42, 42, 42)
.addComponent(jButton1))
.addGroup(layout.createSequentialGroup()
.addGap(226, 226, 226)
.addComponent(jLabel2)))
.addContainerGap(43, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.T.
CORE JAVA-2
The document provides an overview of core Java concepts including Abstract Windowing Toolkit (AWT), event handling, Swing, layout managers, and applets. It discusses AWT components like containers, windows, panels and frames. It also covers creating frames, setting buttons, and different approaches to event handling like within a class, with an outer class, or anonymously. The document reviews Swing components and hierarchies. It includes examples of creating Swing frames and using buttons, radio buttons, and displaying images on buttons.
package net.codejava.swing.mail;import java.awt.Font;import java.pdf
package net.codejava.swing.mail;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.Properties;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import net.codejava.swing.JFilePicker;
/**
* A Swing application that allows sending e-mail messages from a SMTP server.
* @author www.codejava.net
*
*/
public class SwingEmailSender extends JFrame {
private ConfigUtility configUtil = new ConfigUtility();
private JMenuBar menuBar = new JMenuBar();
private JMenu menuFile = new JMenu(\"File\");
private JMenuItem menuItemSetting = new JMenuItem(\"Settings..\");
private JLabel labelTo = new JLabel(\"To: \");
private JLabel labelSubject = new JLabel(\"Subject: \");
private JTextField fieldTo = new JTextField(30);
private JTextField fieldSubject = new JTextField(30);
private JButton buttonSend = new JButton(\"SEND\");
private JFilePicker filePicker = new JFilePicker(\"Attached\", \"Attach File...\");
private JTextArea textAreaMessage = new JTextArea(10, 30);
private GridBagConstraints constraints = new GridBagConstraints();
public SwingEmailSender() {
super(\"Swing E-mail Sender Program\");
// set up layout
setLayout(new GridBagLayout());
constraints.anchor = GridBagConstraints.WEST;
constraints.insets = new Insets(5, 5, 5, 5);
setupMenu();
setupForm();
pack();
setLocationRelativeTo(null); // center on screen
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private void setupMenu() {
menuItemSetting.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
SettingsDialog dialog = new SettingsDialog(SwingEmailSender.this, configUtil);
dialog.setVisible(true);
}
});
menuFile.add(menuItemSetting);
menuBar.add(menuFile);
setJMenuBar(menuBar);
}
private void setupForm() {
constraints.gridx = 0;
constraints.gridy = 0;
add(labelTo, constraints);
constraints.gridx = 1;
constraints.fill = GridBagConstraints.HORIZONTAL;
add(fieldTo, constraints);
constraints.gridx = 0;
constraints.gridy = 1;
add(labelSubject, constraints);
constraints.gridx = 1;
constraints.fill = GridBagConstraints.HORIZONTAL;
add(fieldSubject, constraints);
constraints.gridx = 2;
constraints.gridy = 0;
constraints.gridheight = 2;
constraints.fill = GridBagConstraints.BOTH;
buttonSend.setFont(new Font(\"Arial\", Font.BOLD, 16));
add(buttonSend, constraints);
buttonSend.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
buttonSendActionPerformed(event);
}
});
constraints.gridx = 0;
constraints.gridy = 2;
constraints.gridheight = 1;
const.
Convert the following program so that it uses JList instead of JComb.pdf
Convert the following program so that it uses JList instead of JComboBox.
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import javax.swing.*;
public class ShoppingList extends JFrame {
private static final long myShoppingList = 1L;
// Constants for window width and height
private final int WINDOW_WIDTH = 700;
private final int WINDOW_HEIGHT = 250;
private JTextField shoppingList;
// Buttons for Save, Add, Remove, and Load features.
private JButton Save;
private JButton Add;
private JButton Remove;
private JButton Load;
// Panels for the button groups
private JPanel textfieldPanel;
private JPanel buttonPanel;
private JComboBox itemList;
/**
* CONSTRUCTOR
*/
public ShoppingList() {
// Window title
setTitle(\"Shopping List\");
// Set size
setSize(WINDOW_WIDTH, WINDOW_HEIGHT);
// Default close operation
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Calling buildPanel method
buildPanels();
// Grid Layout
setLayout(new FlowLayout());
// Adding the panel to JFrame
add(textfieldPanel);
add(buttonPanel);
// Visibility
setVisible(true);
}
// Building the Panels,
private void buildPanels() {
// Initializing the Textfield
shoppingList = new JTextField(20);
// Initializing the Buttons
Save = new JButton(\"Save\");
Add = new JButton(\"Add\");
Remove = new JButton(\"Remove\");
Load = new JButton(\"Load\");
// Associating action listener
Add.addActionListener(new AddButtonListener());
Save.addActionListener(new SaveButtonListener());
Remove.addActionListener(new RemoveButtonListener());
Load.addActionListener(new LoadButtonListener());
try {
itemList = new JComboBox<>(fileToArray());
} catch (IOException e) {
itemList = new JComboBox<>();
}
itemList.setPreferredSize(new Dimension(10,20));
// Initializing the panels
textfieldPanel = new JPanel();
buttonPanel = new JPanel();
// Seting borders of the panels
textfieldPanel.setBorder(BorderFactory
.createTitledBorder(\"Shopping List\"));
buttonPanel.setBorder(BorderFactory.createTitledBorder(\"Process\"));
// Adding the objecs to the respective panels
textfieldPanel.setLayout(new BoxLayout(textfieldPanel, BoxLayout.Y_AXIS));
textfieldPanel.add(shoppingList);
textfieldPanel.add(itemList);
buttonPanel.add(Save);
buttonPanel.add(Add);
buttonPanel.add(Remove);
buttonPanel.add(Load);
}// End buildPanels
private class AddButtonListener implements ActionListener {
public void actionPerformed(ActionEvent addaction) {
if (!shoppingList.getText().trim().equals(\"\"))
itemList.addItem(shoppingList.getText().trim().toLowerCase());
}
}//end listener
private class RemoveButtonListener implements ActionListener {
public void actionPerformed(ActionEvent removeaction) {
if (itemList.getItemCount() > 0)
itemList.removeItemAt(itemList.getSelectedIndex());
else {
JOptionPane.showMessageDialog(null, \"Please select an item to delete!\");
}
}
}//end listener.
TY.BSc.IT Java QB U2
The document contains questions and answers related to Java Swing components. It discusses how to divide a JFrame into two parts using a JSplitPane. It also explains features of Swing like being truly cross-platform, fully customizable, using JavaBeans components, and having no framework lock-in. Examples are provided for various Swing components like JProgressBar, JTree, JTabbedPane, JScrollPane and how to create menus in Java.
Hello I need helo with my Java array question for computer science 161.docx
The document is a request for help with a Java array coding question for a computer science class. It includes the full code for a basic notepad application that implements a menu bar with File and Edit options like New, Open, Save, Cut, Copy, and Paste. The code creates a frame with a text area for display and adds the menu bar and text area to the frame.
Java: GUI
Sub: Java
Topic: GUI Programming in Java
Slide number: 9
Presented by: Mahbubul Islam (MMI)
Lecturer, Dept. of CSE
University of Rajshahi
11basic Swing
The document provides an overview of Swing components in Java, including new features, the model-view-controller architecture, and a tour of basic components like JApplet, JFrame, JLabel, JButton, and JPanel. It discusses the Swing approach to GUI programming compared to AWT, covers look and feel settings, and provides code examples for creating and customizing common Swing components.
Ejemplos Interfaces Usuario 3
This document contains code for a Java Swing application that demonstrates creating menus and drawing graphics. It defines a MiVentana class that extends JFrame and contains code to initialize the GUI components including menus, buttons, and a drawing panel. Buttons allow selecting different shapes to draw on the panel, and starting an animation that continuously repaints the panel.
Working with the Calculator program Once imported run the.pdf
Working with the Calculator program.
Once imported run the application (CalcMain is the driver)
Determine what Calculator does and how it works investigate.
Add multiplication and subtraction buttons to the application.
Test to make sure all functionality works as you expect.
Export updated Calculator to a Runnable JAR file.
Go to the location where you put the runnable JAR and double click it to run the application
Capture the runnable JAR file runtime screen shot.
CalcMain.java
import javax.swing.JFrame;
public class CalcMain {
public static void main(String [] args)
{
JFrame frame = new JFrame("Calculator");
//2. Optional: What happens when the frame closes?
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//3. Create your panel and put it in the frame.
frame.getContentPane().add(new Calculator());
//4. Size the frame.
frame.setSize(300, 550);
//5. Show it.
frame.setVisible(true);
}
}
Calculator.java
import javax.swing.*;
import java.awt.Color;
import java.awt.event.*;
public class Calculator extends JPanel implements ActionListener {
String num1="";
String num2="";
String operator="";
boolean usingFirst=true;
double total=0;
JTextField display;
JButton b1;
JButton b2;
JButton b3;
JButton b4;
JButton b5;
JButton b6;
JButton b7;
JButton b8;
JButton b9;
JButton b0;
JButton bdec;
JButton bclear;
JButton bequals;
JButton bplus;
JButton bmult;
JButton bsub;
public Calculator()
{
this.setBackground(Color.white);
setLayout(null);
display=new JTextField();
b1=new JButton("1");
b2=new JButton("2");
b3=new JButton("3");
b4=new JButton("4");
b5=new JButton("5");
b6=new JButton("6");
b7=new JButton("7");
b8=new JButton("8");
b9=new JButton("9");
b0=new JButton("0");
bdec=new JButton(".");
bclear=new JButton("C");
bequals = new JButton( "=");
bplus=new JButton("+");
bmult=new JButton("*");
bsub=new JButton("-");
display.setBounds(0,0,205,50);
b1.setBounds(0,200,50,50);
b2.setBounds(50,200,50,50);
b3.setBounds(100,200,50,50);
bplus.setBounds(154,200,50,50);
b4.setBounds(0,150,50,50);
b5.setBounds(50,150,50,50);
b6.setBounds(100,150,50,50);
bmult.setBounds(154,150,50,50);
b7.setBounds(0,100,50,50);
b8.setBounds(50,100,50,50);
b9.setBounds(100,100,50,50);
bsub.setBounds(154,100,50,50);
b0.setBounds(0,250,50,50);
bdec.setBounds(50,250,50,50);
bclear.setBounds(100,250,50,50);
bequals.setBounds(154,250,50,50);
add(b1);
add(b2);
add(b3);
add(b4);
add(b5);
add(b6);
add(b7);
add(b8);
add(b9);
add(b0);
add(bdec);
add(display);
add(bclear);
add(bequals);
add(bplus);
add(bmult);
add(bsub);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b4.addActionListener(this);
b5.addActionListener(this);
b6.addActionListener(this);
b7.addActionListener(this);
b8.addActionListener(this);
b9.addActionListener(this);
b0.addActionListener(this);
bequals.addActionListener(this);
bplus.addActionListener(this);
bclear.addActionListener(this);
bdec.addActionListener(this);
bmult.addActionListener(this);
bsub.addActionListener(this);
}
public vo.
Basic swing
This document provides an overview of Swing components in Java, including:
- New features of Swing like increased customization options and a pluggable look and feel.
- The basic approach of using JApplet or JFrame as starting points and putting components in the content pane.
- Summaries of common Swing components like JLabel, JButton, JPanel, JSlider, and new components like JColorChooser and JInternalFrame.
If messages are being sent from your email account without your know.pdf
If messages are being sent from your email account without your knowledge, this is a sign that
your computer is infected with
Solution
If messages are being sent from your email account without your knowledge, this is a sign that
your computer is infected with:
Identity Theft. In identity theft, some other machine is purported to be the other machine. Which
means, somebody else will steal your identity and will send an email to somebody else, as if they
were sending a mail from your email account..
Identify some of the postmodern trends movements that women artist .pdf
Identify some of the postmodern trends/ movements that women artist have particiapted in.
Solution
The female art movement originated in the late 1960s which sought to rewrite a falsely male-
dominated history and change the perception of the contemporary world. The main attributes are
as follows; It sought to create an interaction between the artist and viewer by including women\'s
perspective. Before the introduction of feminism, the presence of female artist was not
considered which was later changed by the female artists via establishing alternate venues to
increase their visibility in the market. They also embrace different materials which symbolized
feminine perspective..
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This is a java lab assignment. I have added the first part java re.pdf
This is a java lab assignment. I have added the first part \"java retail class\" at the bottom. I am
unsure how to read the txt file into an array from the retail class. The stock txt file has been
added also.
A beginning framework and inventory list has been provided to you to use your Retail Item Class
as an array. Develop a program to accomplish the following menu items that can be selected by
the end user. Discussion of what each menu item should do is provided below the menu item.
Modify your object class file as desired. Please append initials to files created. Use Select-Case
for menu choices and methods to perform those choices. Please make a selection: 1. Open
Inventory File (This should ask the user for the file name, open the file and load the data into the
object array). 2. Display All (This should show a table of all items and data) 3. Display Reorder
Only (This should show only the stock number, Description and current quantity for items
requiring reorder) 4. Find Stock number (Allows the user to enter part of the description and
displays all matching stock numbers and descriptions matching that - case insensitive, such as
“cubs” or “cubs”) 5. Display Stock number (Allows user to enter stock number and displays
record of item) 6. Add Quantity (Asks for stock number and quantity for units, adds it to current,
displays record results) 7. Subtract Quantity (Asks for stock number and quantity, subtracts,
displays results including if reorder is needed.) 8. Change Price (Asks for stick number, changes
price to provided value, display results). 9. New Item (Allows adding a new item, updates count.
Display record results). 10. Save Inventory File (asks user for file name, save all inventory to
that file in a format that can be read back.)
public class RetailItem{
private String description;
private int unitsOnHand;
private double price;
private int restock;
public void setDescription(String userDescription){
description=userDescription;
}
public void setUnitsOnHand(int userUnitsOnHand){
unitsOnHand=userUnitsOnHand;
}
public void setPrice(double userPrice){
price=userPrice;
}
public String getDescription(){
return description;
}
public int getUnitsOnHand(){
return unitsOnHand;
}
public double getPrice(){
return price;
}
public double getTotal(){
int total = unitsOnHand=(int) price;
return total;
}
public boolean getRestock(){
return false;
}
public RetailItem(String descriptionGiven, int unitsOnHandGiven, double priceGiven, int
restockGiven){
description=descriptionGiven;
unitsOnHand=unitsOnHandGiven;
price=priceGiven;
restock=restockGiven;
}
}
Solution
public class RetailItem{
private int stocknumber;
private String description;
private int unitsOnHand;
private double price;
private int restock;
public void setDescription(String userDescription){
description=userDescription;
}
public int getStocknumber() {
return stocknumber;
}
public void setStocknumber(int stocknumber) {
this.stocknumber = stocknumber;
}
public void setUnitsOnHand(in.
Swings in java
The document discusses various GUI components in Java Swing and SWT toolkits. It describes Swing as the official Java GUI toolkit that is written entirely in Java and provides a rich set of widgets. It also discusses SWT as an alternative GUI library that is more lightweight but less powerful than Swing. Basic examples are provided for creating windows, adding buttons, menus, toolbars and other components in a Java Swing application.
I need help with this Java assignment. Please include comments throu.pdf
I need help with this Java assignment. Please include comments throughout. Thanks
Write a program that will make a copy of a text file, line by line. Read the name of the existing
file and the name of the new file - the copy - from the keyboard. Use the methods of the class
File to test whether the original file exists and can be read. If not, display an error message and
abort the program. Similarly, see whether the name of the new file already exists. If so, display a
warning message and allow the user to either abort the program , overwrite the existing file, or
enter a new name for the file.
Solution
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class Project4
{
public static void main(String[] args)
{
System.out.print(\"Enter file name: \");
Scanner keybaord = new Scanner(System.in);
String fileName = keyboard.next();
Scanner inputStream = null;
System.out.println(fileName);
File fileObject = new File(\"old.txt\");
String path = \"C:\\\\Library\\\\Documents\\\\NetBeansProjects\\\\Project4\";
File source = new File(path);
try
{
inputStream = new Scanner(new File(fileName));
}
catch(FileNotFoundException e)
{
System.out.println(\"Error opening the file \" + fileName);
System.exit(0);
}
while (inputStream.hasNextLine())
{
String line = inputStream.nextLine();
System.out.println(line);
}
inputStream.close();
boolean fileOK = false;
while (!fileOK)
{
if (!fileObject.exists())
System.out.println(\"No such file\");
else if (!fileObject.canRead())
System.out.println(\"That file is not readable.\");
else
fileOK = true;
if (!fileOK)
{
System.out.println(\"Enter the file name again:\");
fileName = keyboard.next();
fileObject = new File(fileName);
}
}
}
public static void PrintWriter openOutputTextFile
{
(String fileName) throws FileNotFoundException
{
PrintWriter toFile = new PrintWriter(fileName);
return toFile;
}
PrintWriter outputStream = null;
try
{
outputStream = openOutputTextFile(\"old.txt\");
}
catch (FileNotFoundException e)
}
}.
How do I add a ComboBox to this, underneath Enter Student ID tha.pdf
How do I add a ComboBox to this, underneath \"Enter Student ID\" that says the following?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
public class Registration extends JFrame {
private JDesktopPane theDesktop;
public Registration(){
theDesktop = new JDesktopPane();
JMenuBar bar = new JMenuBar();
JMenu fileMenu = new JMenu(\"Course\");
JMenuItem addCourseItem = new JMenuItem(\"Add Course\");
fileMenu.add(addCourseItem);
JMenu tuitionMenu = new JMenu(\"Tuition\");
JMenuItem calculateItem = new JMenuItem(\"Calculate Tuition\");
JMenuItem printTuitionItem = new JMenuItem(\"Print Tuition\");
JMenuItem printSchedulesItem = new JMenuItem(\"Print Student Schedules\");
tuitionMenu.add(calculateItem);
tuitionMenu.add(printTuitionItem);
tuitionMenu.add(printSchedulesItem);
JMenu exitMenu = new JMenu(\"Exit\");
JMenuItem exitProgramItem = new JMenuItem(\"Exit Program\");
exitMenu.add(exitProgramItem);
addCourseItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae) {
JInternalFrame frame = new JInternalFrame(\"Enter Student ID\", true, true, true, true);
ReadPanel rp = new ReadPanel();
frame.add(rp);
frame.pack();
theDesktop.add(frame);
frame.setVisible(true);
}
});
exitProgramItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
System.exit(0);
}
});
calculateItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
printTuitionItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
printSchedulesItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
}
});
bar.add(fileMenu);
bar.add(tuitionMenu);
bar.add(exitMenu);
setJMenuBar(bar);
add(theDesktop);
}
public class ReadPanel extends Panel{
private JLabel findLabel;
private JTextField findField;
private JLabel buttonLabel;
private JButton submitButton;
public ReadPanel(){
findLabel = new JLabel(\"Enter Student ID\");
findField = new JTextField(15);
buttonLabel = new JLabel(\"Select Course\");
buttonLabel = new JLabel(\"Click to Add\");
submitButton = new JButton(\"Submit\");
setLayout(new GridLayout(2,2));
submitButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
System.out.println(findField.getText());
findField.setText(\"\");
}
});
add(findLabel);
add(findField);
add(buttonLabel);
add(buttonLabel);
add(submitButton);
}
}
public static void main(String[] args){
Registration r1 = new Registration();
r1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
r1.setLocationRelativeTo(null);
r1.setSize(400,400);
r1.setVisible(true);
}
} Registration System Course Tuition Exit Course Panel Enter Student ID Select Course Click
to Add Select One Submit
Solution
//Changes added to Registration class in bold text
//Registration.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
public class Registration extends JFrame {
pr.
Java Assignment Help
Stock Control program in java
This program is for controlling the stock. User can perform several actions like- checking stock , adding stock, verification of password, purchasing item, and updating stock.
programmingassignments.com is the dedicated solution provider for Java assignments and homework based on the Java Programming languages. Email us your Java assignment info@programmingassignments.com or discuss your homework on live chat with our expert and get the necessary help for your Java Programming assignment.
Spring hibernate jsf_primefaces_intergration
This document provides a step-by-step guide to integrating Spring, Hibernate, JSF, and PrimeFaces in a Java web application. It describes setting up the technologies and dependencies, configuring the application context and data source, adding entity classes and DAOs, and testing each step. The 5 steps include setting up Maven and JSF, adding PrimeFaces, integrating Spring, and finally connecting to a PostgreSQL database using Hibernate.
From Swing to JavaFX
This document discusses migrating from Swing to JavaFX. It presents 3 migration scenarios: 1) embedding JavaFX in Swing, 2) rewriting Swing apps without FXML, and 3) rewriting with FXML. Key similarities and differences between Swing and JavaFX concepts like buttons, layouts, and tables are outlined. FXML is described as a way to declaratively describe JavaFX scene graphs using XML. The document also briefly mentions tools like Scene Builder and concludes without covering advanced JavaFX topics like CSS, animation, and effects.
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!
Create a program that authenticates username and password. The program should have a clear
and submit button. If you click sumbit it will go to a new JFrame. The new Jframe contain a
menu button( that does nothing) and a logout button that exits the program.
Solution
import java.sql.*;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.*;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Administrator
*/
public class Login extends javax.swing.JFrame {
/**
* Creates new form Login
*/
public Login() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jPasswordField1 = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setFont(new java.awt.Font(\"Tahoma\", 1, 18)); // NOI18N
jLabel1.setText(\"Hiding Data Cloud \");
jLabel2.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel2.setText(\"User Name : \");
jLabel3.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel3.setText(\"Password :\");
jButton1.setText(\"Login\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(96, 96, 96)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 134,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jPasswordField1))))))
.addContainerGap(112, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel1)
.addGap(53, 53, 53)
.addGroup(layout.creat.
Swing
The document discusses Swing components in Java, including how to create windows, add components to windows, handle events, and work with text components. Key topics covered include the component hierarchy for common Swing widgets like JFrame, JLabel, JButton, and JTextField. It also discusses how to register listeners, manipulate document content, and build a basic browser component.
Write an application containing three parallel arrays that hold 10 e.pdf
Write an application containing three parallel arrays that hold 10 elements each. The first array
hold four-digit student ID numbers, the second array holds first names, and the third array holds
the students’ grade point averages. Use dialog boxes to accept a student ID number and display
the student’s first name and grade point average. If a match is not found, display an error
message that includes the invalid ID number and allow the user to search for a new ID number.
Solution
package javaapplication;
public class BoxJFrame extends javax.swing.JFrame {
/**
* Creates new form BoxJFrame
*/
private int[] studentsID = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
private String[] studentsName ={\"Alan\", \"Cris\", \"Joe\", \"Suzzy\", \"Stan\", \"Eminem\",
\"Josh\", \"Ann\", \"Katy\", \"Ralph\"};
private double[] studentsGP = {2.8, 4.1, 3.5, 4.0, 3.8, 3.75, 3.0, 4.2, 3.9, 3.6};
public BoxJFrame() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTextPane1 = new javax.swing.JTextPane();
jLabel1 = new javax.swing.JLabel();
jScrollPane2 = new javax.swing.JScrollPane();
jTextPane2 = new javax.swing.JTextPane();
jButton1 = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jScrollPane3 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jScrollPane1.setViewportView(jTextPane1);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText(\"Input student ID\");
jScrollPane2.setViewportView(jTextPane2);
jButton1.setText(\"Search\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
}
);
jLabel2.setText(\"Result\");
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane3.setViewportView(jTextArea1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(25, 25, 25)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 135,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 179,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(42, 42, 42)
.addComponent(jButton1))
.addGroup(layout.createSequentialGroup()
.addGap(226, 226, 226)
.addComponent(jLabel2)))
.addContainerGap(43, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.T.
CORE JAVA-2
The document provides an overview of core Java concepts including Abstract Windowing Toolkit (AWT), event handling, Swing, layout managers, and applets. It discusses AWT components like containers, windows, panels and frames. It also covers creating frames, setting buttons, and different approaches to event handling like within a class, with an outer class, or anonymously. The document reviews Swing components and hierarchies. It includes examples of creating Swing frames and using buttons, radio buttons, and displaying images on buttons.
package net.codejava.swing.mail;import java.awt.Font;import java.pdf
package net.codejava.swing.mail;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.Properties;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import net.codejava.swing.JFilePicker;
/**
* A Swing application that allows sending e-mail messages from a SMTP server.
* @author www.codejava.net
*
*/
public class SwingEmailSender extends JFrame {
private ConfigUtility configUtil = new ConfigUtility();
private JMenuBar menuBar = new JMenuBar();
private JMenu menuFile = new JMenu(\"File\");
private JMenuItem menuItemSetting = new JMenuItem(\"Settings..\");
private JLabel labelTo = new JLabel(\"To: \");
private JLabel labelSubject = new JLabel(\"Subject: \");
private JTextField fieldTo = new JTextField(30);
private JTextField fieldSubject = new JTextField(30);
private JButton buttonSend = new JButton(\"SEND\");
private JFilePicker filePicker = new JFilePicker(\"Attached\", \"Attach File...\");
private JTextArea textAreaMessage = new JTextArea(10, 30);
private GridBagConstraints constraints = new GridBagConstraints();
public SwingEmailSender() {
super(\"Swing E-mail Sender Program\");
// set up layout
setLayout(new GridBagLayout());
constraints.anchor = GridBagConstraints.WEST;
constraints.insets = new Insets(5, 5, 5, 5);
setupMenu();
setupForm();
pack();
setLocationRelativeTo(null); // center on screen
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private void setupMenu() {
menuItemSetting.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
SettingsDialog dialog = new SettingsDialog(SwingEmailSender.this, configUtil);
dialog.setVisible(true);
}
});
menuFile.add(menuItemSetting);
menuBar.add(menuFile);
setJMenuBar(menuBar);
}
private void setupForm() {
constraints.gridx = 0;
constraints.gridy = 0;
add(labelTo, constraints);
constraints.gridx = 1;
constraints.fill = GridBagConstraints.HORIZONTAL;
add(fieldTo, constraints);
constraints.gridx = 0;
constraints.gridy = 1;
add(labelSubject, constraints);
constraints.gridx = 1;
constraints.fill = GridBagConstraints.HORIZONTAL;
add(fieldSubject, constraints);
constraints.gridx = 2;
constraints.gridy = 0;
constraints.gridheight = 2;
constraints.fill = GridBagConstraints.BOTH;
buttonSend.setFont(new Font(\"Arial\", Font.BOLD, 16));
add(buttonSend, constraints);
buttonSend.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
buttonSendActionPerformed(event);
}
});
constraints.gridx = 0;
constraints.gridy = 2;
constraints.gridheight = 1;
const.
Convert the following program so that it uses JList instead of JComb.pdf
Convert the following program so that it uses JList instead of JComboBox.
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import javax.swing.*;
public class ShoppingList extends JFrame {
private static final long myShoppingList = 1L;
// Constants for window width and height
private final int WINDOW_WIDTH = 700;
private final int WINDOW_HEIGHT = 250;
private JTextField shoppingList;
// Buttons for Save, Add, Remove, and Load features.
private JButton Save;
private JButton Add;
private JButton Remove;
private JButton Load;
// Panels for the button groups
private JPanel textfieldPanel;
private JPanel buttonPanel;
private JComboBox itemList;
/**
* CONSTRUCTOR
*/
public ShoppingList() {
// Window title
setTitle(\"Shopping List\");
// Set size
setSize(WINDOW_WIDTH, WINDOW_HEIGHT);
// Default close operation
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Calling buildPanel method
buildPanels();
// Grid Layout
setLayout(new FlowLayout());
// Adding the panel to JFrame
add(textfieldPanel);
add(buttonPanel);
// Visibility
setVisible(true);
}
// Building the Panels,
private void buildPanels() {
// Initializing the Textfield
shoppingList = new JTextField(20);
// Initializing the Buttons
Save = new JButton(\"Save\");
Add = new JButton(\"Add\");
Remove = new JButton(\"Remove\");
Load = new JButton(\"Load\");
// Associating action listener
Add.addActionListener(new AddButtonListener());
Save.addActionListener(new SaveButtonListener());
Remove.addActionListener(new RemoveButtonListener());
Load.addActionListener(new LoadButtonListener());
try {
itemList = new JComboBox<>(fileToArray());
} catch (IOException e) {
itemList = new JComboBox<>();
}
itemList.setPreferredSize(new Dimension(10,20));
// Initializing the panels
textfieldPanel = new JPanel();
buttonPanel = new JPanel();
// Seting borders of the panels
textfieldPanel.setBorder(BorderFactory
.createTitledBorder(\"Shopping List\"));
buttonPanel.setBorder(BorderFactory.createTitledBorder(\"Process\"));
// Adding the objecs to the respective panels
textfieldPanel.setLayout(new BoxLayout(textfieldPanel, BoxLayout.Y_AXIS));
textfieldPanel.add(shoppingList);
textfieldPanel.add(itemList);
buttonPanel.add(Save);
buttonPanel.add(Add);
buttonPanel.add(Remove);
buttonPanel.add(Load);
}// End buildPanels
private class AddButtonListener implements ActionListener {
public void actionPerformed(ActionEvent addaction) {
if (!shoppingList.getText().trim().equals(\"\"))
itemList.addItem(shoppingList.getText().trim().toLowerCase());
}
}//end listener
private class RemoveButtonListener implements ActionListener {
public void actionPerformed(ActionEvent removeaction) {
if (itemList.getItemCount() > 0)
itemList.removeItemAt(itemList.getSelectedIndex());
else {
JOptionPane.showMessageDialog(null, \"Please select an item to delete!\");
}
}
}//end listener.
TY.BSc.IT Java QB U2
The document contains questions and answers related to Java Swing components. It discusses how to divide a JFrame into two parts using a JSplitPane. It also explains features of Swing like being truly cross-platform, fully customizable, using JavaBeans components, and having no framework lock-in. Examples are provided for various Swing components like JProgressBar, JTree, JTabbedPane, JScrollPane and how to create menus in Java.
Hello I need helo with my Java array question for computer science 161.docx
The document is a request for help with a Java array coding question for a computer science class. It includes the full code for a basic notepad application that implements a menu bar with File and Edit options like New, Open, Save, Cut, Copy, and Paste. The code creates a frame with a text area for display and adds the menu bar and text area to the frame.
Java: GUI
Sub: Java
Topic: GUI Programming in Java
Slide number: 9
Presented by: Mahbubul Islam (MMI)
Lecturer, Dept. of CSE
University of Rajshahi
11basic Swing
The document provides an overview of Swing components in Java, including new features, the model-view-controller architecture, and a tour of basic components like JApplet, JFrame, JLabel, JButton, and JPanel. It discusses the Swing approach to GUI programming compared to AWT, covers look and feel settings, and provides code examples for creating and customizing common Swing components.
Ejemplos Interfaces Usuario 3
This document contains code for a Java Swing application that demonstrates creating menus and drawing graphics. It defines a MiVentana class that extends JFrame and contains code to initialize the GUI components including menus, buttons, and a drawing panel. Buttons allow selecting different shapes to draw on the panel, and starting an animation that continuously repaints the panel.
Working with the Calculator program Once imported run the.pdf
Working with the Calculator program.
Once imported run the application (CalcMain is the driver)
Determine what Calculator does and how it works investigate.
Add multiplication and subtraction buttons to the application.
Test to make sure all functionality works as you expect.
Export updated Calculator to a Runnable JAR file.
Go to the location where you put the runnable JAR and double click it to run the application
Capture the runnable JAR file runtime screen shot.
CalcMain.java
import javax.swing.JFrame;
public class CalcMain {
public static void main(String [] args)
{
JFrame frame = new JFrame("Calculator");
//2. Optional: What happens when the frame closes?
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//3. Create your panel and put it in the frame.
frame.getContentPane().add(new Calculator());
//4. Size the frame.
frame.setSize(300, 550);
//5. Show it.
frame.setVisible(true);
}
}
Calculator.java
import javax.swing.*;
import java.awt.Color;
import java.awt.event.*;
public class Calculator extends JPanel implements ActionListener {
String num1="";
String num2="";
String operator="";
boolean usingFirst=true;
double total=0;
JTextField display;
JButton b1;
JButton b2;
JButton b3;
JButton b4;
JButton b5;
JButton b6;
JButton b7;
JButton b8;
JButton b9;
JButton b0;
JButton bdec;
JButton bclear;
JButton bequals;
JButton bplus;
JButton bmult;
JButton bsub;
public Calculator()
{
this.setBackground(Color.white);
setLayout(null);
display=new JTextField();
b1=new JButton("1");
b2=new JButton("2");
b3=new JButton("3");
b4=new JButton("4");
b5=new JButton("5");
b6=new JButton("6");
b7=new JButton("7");
b8=new JButton("8");
b9=new JButton("9");
b0=new JButton("0");
bdec=new JButton(".");
bclear=new JButton("C");
bequals = new JButton( "=");
bplus=new JButton("+");
bmult=new JButton("*");
bsub=new JButton("-");
display.setBounds(0,0,205,50);
b1.setBounds(0,200,50,50);
b2.setBounds(50,200,50,50);
b3.setBounds(100,200,50,50);
bplus.setBounds(154,200,50,50);
b4.setBounds(0,150,50,50);
b5.setBounds(50,150,50,50);
b6.setBounds(100,150,50,50);
bmult.setBounds(154,150,50,50);
b7.setBounds(0,100,50,50);
b8.setBounds(50,100,50,50);
b9.setBounds(100,100,50,50);
bsub.setBounds(154,100,50,50);
b0.setBounds(0,250,50,50);
bdec.setBounds(50,250,50,50);
bclear.setBounds(100,250,50,50);
bequals.setBounds(154,250,50,50);
add(b1);
add(b2);
add(b3);
add(b4);
add(b5);
add(b6);
add(b7);
add(b8);
add(b9);
add(b0);
add(bdec);
add(display);
add(bclear);
add(bequals);
add(bplus);
add(bmult);
add(bsub);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b4.addActionListener(this);
b5.addActionListener(this);
b6.addActionListener(this);
b7.addActionListener(this);
b8.addActionListener(this);
b9.addActionListener(this);
b0.addActionListener(this);
bequals.addActionListener(this);
bplus.addActionListener(this);
bclear.addActionListener(this);
bdec.addActionListener(this);
bmult.addActionListener(this);
bsub.addActionListener(this);
}
public vo.
Basic swing
This document provides an overview of Swing components in Java, including:
- New features of Swing like increased customization options and a pluggable look and feel.
- The basic approach of using JApplet or JFrame as starting points and putting components in the content pane.
- Summaries of common Swing components like JLabel, JButton, JPanel, JSlider, and new components like JColorChooser and JInternalFrame.
Similar to Here is the given code, and the things I need to be done. Ive post.pdf (20)
This is a java lab assignment. I have added the first part java re.pdf
This is a java lab assignment. I have added the first part java re.pdf
I need help with this Java assignment. Please include comments throu.pdf
I need help with this Java assignment. Please include comments throu.pdf
How do I add a ComboBox to this, underneath Enter Student ID tha.pdf
How do I add a ComboBox to this, underneath Enter Student ID tha.pdf
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!Create a program that authenticates username and password.pdf
Write an application containing three parallel arrays that hold 10 e.pdf
Write an application containing three parallel arrays that hold 10 e.pdf
package net.codejava.swing.mail;import java.awt.Font;import java.pdf
package net.codejava.swing.mail;import java.awt.Font;import java.pdf
Convert the following program so that it uses JList instead of JComb.pdf
Convert the following program so that it uses JList instead of JComb.pdf
Hello I need helo with my Java array question for computer science 161.docx
Hello I need helo with my Java array question for computer science 161.docx
Working with the Calculator program Once imported run the.pdf
Working with the Calculator program Once imported run the.pdf
More from fedosys
If messages are being sent from your email account without your know.pdf
If messages are being sent from your email account without your knowledge, this is a sign that
your computer is infected with
Solution
If messages are being sent from your email account without your knowledge, this is a sign that
your computer is infected with:
Identity Theft. In identity theft, some other machine is purported to be the other machine. Which
means, somebody else will steal your identity and will send an email to somebody else, as if they
were sending a mail from your email account..
Identify some of the postmodern trends movements that women artist .pdf
Identify some of the postmodern trends/ movements that women artist have particiapted in.
Solution
The female art movement originated in the late 1960s which sought to rewrite a falsely male-
dominated history and change the perception of the contemporary world. The main attributes are
as follows; It sought to create an interaction between the artist and viewer by including women\'s
perspective. Before the introduction of feminism, the presence of female artist was not
considered which was later changed by the female artists via establishing alternate venues to
increase their visibility in the market. They also embrace different materials which symbolized
feminine perspective..
i need the executable file of this program (.exe) This is Assembly.pdf
i need the executable file of this program (.exe)
This is Assembly code This program calculates the integer expression A=(A+B)-(C+D) using
registers INCLUDE Irvine32.inc. data A DWORD 150 B DWORD 100 C DWORD 50 D
DWORD 40 .code main PROC; save the integer values in registers mov eax, A; EAX=150
mov ebx.B; EBX=100 mov ecx.C; ECX=50 mov edx.D; EDX=40; calculates the integer
expression add eax.ebx; EAX: (A+B) add ecx.edx; ECX: (C+D) sub eax.ecx; EAX: (A+B)-
(C+D) mov A.eax; A=(A+B)-(C+D) exit main ENDP END main Here the name of program
file is intExp.asm; the program contains comments starting with a semicolon (;) symbol.
Solution
Ans: Its not possible to upload the file. The following steps you can get your intExp.exe from
intExp.asm.
Step 1:
a) Open a MS-DOS window
b) your program as intExp.asm
c) Assemble the program with
C:> MASM demo
MASM will create an object file intExp.obj
Set your path variable to MASM.EXE]
d) Link the program with
C:> LINK intExp ( + prog1 + prog2 ....)
This adds info to intExp.obj and creates
the executable intExp.exe.
e) Run the program with
C:> intExp
intExp expects the input of a character from KB: and sends it
to the screen.
2. Do Assembly and Linkage in one Step
From MASM 6.0 on MicroSoft delivered a program ML that allowed
to do assembly and linkage in one step.
C:> ML intExp.asm : creates intExp.exe
Useful switches : /Zi : add debug info ( codeview)
/Fl : add a list file demo.lst
/Fm : add a map file demo.map
A complete call looks like :
C:> ML /Zi /Fl /Fm intExp.asm
Have a look at intExp.lst, intExp.map.
The full list of options is available via :
C:> MASM /H
C:> LINK /HELP ; LINK /?
C:> ML /HELP ; ML /?
BORLAND version :
For Borland environment ( C:>\\BC5\\TASM....)
Prefer to use Borland assembler TASM and linker TLINK.
Assembly : C:> TASM /l /n /z intExp
creates intExp.obj
Switches : /l : create listing intExp.lst
/n : no symbol table
/z : display source lines with errors
Linkage : C:> TLINK /3 /m /v intExp
creates intExp.exe
Switches : /3 : use 32-bit registers
/m : create map file intExp.map
/v : add debug info for the debugger TD
List of all options : C:> TASM /? ; C:> TLINK /?
3. IDE : PWB
Start : Doubleclick the PWB icon or
use a DOS window and type C:> PWB
The edit-part of the functionality should be self.
File --> -New / -Open / - Save / -Save as / -Close / -Exit
Edit --> -Cut / -Copy / -Paste / -Delete ..
Before you can convert the asm source code into an exe file
you should tell PWB which kind of executable
you want to build. It can done by setting many options
in the OPTIONS menue :
Options --> Project Templates -->
activate : RunTimeSupport : Assembler
Project Template : DOS EXE ok
Options --> Build Options -->
activate : Use Debug Options ok
Options --> Language Options --> MASM-Options -->
activate : MASM 5.1 Compatibility
delete : Warnings treated as errors
go to --> Set Debug Options -->
activate : Generate Listing File
All the options are set you are able to build the
executable file.
Project.
Help me fix the error shown above in my code of image.cpp please~I.pdf
Help me fix the error shown above in my code of image.cpp please~
Image.cpp(the code i wrote):
#include
#include \"image.hpp\"
#include
using namespace std;
Image::Image() {
cols = 256;
rows = 256;
pixels = new uint8_t[rows * cols];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
pixels[i + i * j] = \'A\';
}
}
}
Image:: ~Image(){
delete[] pixels;
}
int Image::get_pixel(unsigned int x, unsigned int y, uint8_t* colorp) {
colorp= &pixels[x+x*y];
if (colorp) {
return 0;
}
return -1;
}
int Image::set_pixel(unsigned int x, unsigned int y, uint8_t color) {
pixels[x + x * y] = color;
if (color) {
return 0;
}
return -1;
}
int Image::resize(unsigned int width, unsigned int height, uint8_t fillcolor) {
pixels = new uint8_t[rows * cols];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
pixels[i + i * j] = fillcolor;
}
}
if (pixels) {
return 0;
}
return -1;
}
Image.hpp(resourse):
#include // for uint8_t
class Image {
public:
// made these public so I can peek at them
unsigned int cols;
unsigned int rows;
uint8_t* pixels;
/* Constructs an image of 0x0 pixels. */
Image();
/* Frees all memory allocated for img */
~Image();
/* Changes the size of an image, allocating memory as necessary, and
setting all pixels to fillcolor. Returns 0 on success, or a non-zero error code.*/
int resize( unsigned int width, unsigned int height, uint8_t fillcolor );
/* Sets the color of the pixel at (x,y) to color. Returns 0 on success, else a non-zero
error code. If (x,y) is not a valid pixel, the call fails and the image does not change.*/
int set_pixel( unsigned int x, unsigned int y, uint8_t color );
/* Gets the color of the pixel at (x,y) and stores at the address pointed to
by colorp. Returns 0 on success, else a non-zero error code. */
int get_pixel( unsigned int x, unsigned int y, uint8_t* colorp );
}; Running Program Done. Program returned 1 Error: Your program returned nonzero status
code 1 stdout Testing normal usage Constructing Image i Error: Empty image does not have zero
cols & rows i resize( 640, 480, 0 i resize 100, 100, 72 resize( 32, 32, 72) 0K Checking for correct
value in every pixel after resize after resize, pixel[257] does not have fillcolor value Error Error:
get pixel returned wrong pixel value (0 e) 0 Doing lots of get pixel and set pixel on bounds pixel
coords get pixel returned wrong pixel value (1 0) 0 Error: get pixel returned wrong pixel value
(20) 0 Error: get pixel returned wrong pixel value (3 0) 0 Error: get pixel returned wrong pixel
value (4 0) 0 Error: get pixel returned wrong pixel value (5 0) 0 Error: get pixel returned wrong
pixel value (6 0) 0 Error: get pixel returned wrong pixel value (7 0) 0 Error: get pixel returned
wrong pixel value (8 0) 0 Error: get pixel returned wrong pixel value (9 0) 0 Error: get pixel
returned wrong pixel value (10 0) 0 Error: get pixel returned wrong pixel value (11 0) 0 Error:
get pixel returned wrong pixel value (120) 0 Error: get pixel returned wrong pixel value (13 0) 0.
Explain how the format of the mark-up language differs from the docu.pdf
Explain how the format of the mark-up language differs from the document’s format,
Solution
A document format is a simple text without any differentiation between the elements in the text,
whereas mark- up language is a system for annotating a document in a way that is syntactically
distinguishable from the text. Instructions are expressed directly by tags or \"instruction text
encapsulated by tags.\" Examples include typesetting instructions such as those found in troff,
TeX and LaTeX, or structural markers such as XML tags. Markup instructs the software that
displays the text to carry out appropriate actions, but is omitted from the version of the text that
users see.Today, the most important markup languages are the Standard Generalized Markup
Language (SGML), the Hypertext Markup Language (HTML), and the Extensible Markup
Language (XML).
HTML
The Hypertext Markup Language is an SGML Document Type Definition (DTD) that was
designed specifically for the World Wide Web. In essence, HTML is a set of markup codes
inserted in a file that note logical structures and instruct a web browser how to display a web
page\'s words and images.
XML
The Extensible Markup Language (XML) is a subset of SGML, whose purpose is \"to enable
generic SGML to be served, received, and processed on the web\" through a system of notation
that is unlimited and self-defining. Although XML has been designed to be compatible with
HTML (as well as SGML), it is not another single, predefined markup language. It is a meta-
language—a language for describing other languages—for designing markup..
Each student in my class was given bodily fluids. Everyone was n.pdf
Each student in my class was given \"bodily fluids.\" Everyone was negative for \"HIV\" except
one. We have to figure out who was positive for HIV and passed it on to others. Sharing partners
are in order. All the informaton that is needed is there. There are three numbers in the \"sharing
partner\" column. The column next to it is blank. Student\'s name 13 Sharing partners or 4,10, i4
7,8, la 2,4 I l, 14) B 13 I, 123,10 t ll, 4,3
Solution
Answer:
Student name \"3\" is positive for HIV.
Explanation:
The sharing partners of 3 are 2,4,5, and 12. Student 12 is +ve, it shares room with 11, 14 and 3.
But from the data it was clear that 11 and 14 are -ve for HIV. So the only possibility to transfer
the HIV to 12 is from \"3\"..
Hello everyone,Im actually working on a fast food order program..pdf
Hello everyone,
I\'m actually working on a fast food order program. So far my program works good. Once the
user has finished the order the program displays a receipt with all the order\'s information.
What I want is to print the receipt information in a showMessagedialog box by making used of
JOptionPane. I have tryed but i has been impossible. Can you please guys give a hand with this.
Here is my program code:
import java.text.DecimalFormat;
import java.util.Date;
import java.util.Random;
import java.util.Scanner;
//Interface
interface Restaurant
{
//Method that adds items to order.
void addItem();
}
//class that contains item\'s menu and prices.
class ItemsMenu{
Restaurant[] Menu = {
new CheeseBurger(4.45),
new ChickenBurger(5.25),
new SuperHotDog(3.55),
new MiniHotDog(2.99),
new Fries(1.75),
new OnionRings(1.75),
new Soda(1.55),
new BottleWater(1.25)};
//Method that display menu and receipt.
void Menu()
{
Scanner CashierInput = new Scanner(System.in);
DecimalFormat df = new DecimalFormat(\"0.00\");
Date dateCreated = new Date();
//Declaring variables.
int Choice = 0;
int ItemNum = 0;
double Tax = 0;
double NYTax = 8.78;
double SubTotal = 0;
double Total = 0;
double TotalFinal = 0;
//Printing menu options.
System.out.println(\"\ /*/*/*/*/*/*/*/*/ Mac King Fast Food /*/*/*/*/*/*/*/*/\");
System.out.println(\" \ Burgers:\" + \" \" + \"Side Orders: \");
System.out.println(\" 1. CheeseBurger $\" + df.format(((CheeseBurger)
Menu[0]).cheeseBurger) + \" \" + \"5. Fries $\" + df.format(((Fries) Menu[4]).fries));
System.out.println(\" 2. ChickenBurger $\" + df.format(((ChickenBurger)
Menu[1]).chickenBurger) + \" \" + \"6. Onion Rings $\" + df.format(((OnionRings)
Menu[5]).onionRings));
System.out.println(\" \ Hot Dogs:\" + \" \" + \"Beverages: \");
System.out.println(\" 3. Super HotDog $\" + df.format(((SuperHotDog)
Menu[2]).superHotDog) + \" \" + \"7. Soda $\" + df.format(((Soda) Menu[6]).soda));
System.out.println(\" 4. Mini HotDog $\" + df.format(((MiniHotDog) Menu[3]).miniHotDog)
+ \" \" + \"8. Bottle of Water $\" + df.format(((BottleWater) Menu[7]).bottleWater));
//Loop to get order choice from user.
do {
if (Choice != 0)
{
System.out.print(\" !!Enter (0) to finish Order!!\ \");
}
System.out.print(\" \ Enter menu selection: \");
Choice = CashierInput.nextInt();
//Printing choices added.
//Counting items added.
//Counting number of items added.
//Calculating subtotal.
if (Choice == 1)
{
System.out.println(\"\ CheeseBurger added\");
SubTotal = ((CheeseBurger) Menu[0]).cheeseBurger;
Menu[0].addItem();
++CheeseBurger.cheeseBCount;
++ItemNum;
Total = Total + SubTotal;
System.out.println(\"Current Subtotal $\" + (df.format(Total)));
}
else if (Choice == 2)
{
System.out.println(\"\ ChickenBurger added\");
SubTotal = ((ChickenBurger) Menu[1]).chickenBurger;
Menu[1].addItem();
++ChickenBurger.chickenBCount;
++ItemNum;
Total = Total + SubTotal;
System.out.println(\"Current Subtotal $\" + (df.format(Total)));
}
else if (Choice == 3)
{
System.out.println(\.
Describe the attributes that make a vision meaningful to stakeholder.pdf
Describe the attributes that make a vision meaningful to stakeholders. Discuss why a vision may
need to change.
Solution
The very essence of leadership is that you have to have a vision. It’s good to be a vision you
articulate clearly and forcefully on every occasion. You can’t blow an uncertain trumpet. –
Theodore Hesburgh.
A vision provides direction and road map into the future, it describes the type of organisations
that you want to become and how it’s unique, it creates purpose and identity.
The following characteristics make a vision compelling and meaningful to it’s stakeholders:
Future focused: An effective vision describes the organisation’s desired future, its provides a
clear picture of what the organisation should look like in 5-10 years time. It sets the context for
action.
Directional- An effective vision provides direction as to where the organisation should be going.
It should be specific enough to shape decision making and allow innovative strategies to help
realise the vision.
Clear: An effective vision provides guidance for decision-making and independent action. This
requires the vision to be clearly articulated and easily understood. The vision must clarify focus,
direction and constraints, to ensure that scarce resources are focused on the most strategic
initiatives. Vision that is clear enables effective allocation of scare resources.
Relevant- An effective vision is a good fit with the organisation’s history, current reality, culture
and values. An effective vision connects what has happened in the past to the desired future this
gives the vision credibility.
Purpose-Driven: An effective vision provides a larger sense of purpose for the organisation and
it’s people. That purpose must be more meaningful than getting bigger or beating the
competition. Purpose is about why we exist and why anyone should care. Vision connects people
to a meaningful purpose, allowing them to feel that they are part of something bigger than
themselves. As Steve Jobs said, “We’re here to put a dent in the universe. Otherwise why else
even be here?”
Value based- an effective vision connects the people to an organization’s core values. Values are
ideas and beliefs about what’s considered good or bad. Values of an organisation percolates in
the behaviour and attitudes of the people.
Challenging: An effective vision challenges us, it’s an invitation to greatness. A vision is a goal
that should challenge us, stretch us and set a high standard for the organisation. Effective visions
represent a future that is beyond what is possible today or what we think possible tomorrow.
Unique: An effective vision reflects what’s unique about the organisation, it recognizes what
makes it different. A vision is unique when it declares what makes the organisation stand out and
why it matters.
Vivid: An effective vision provides a vivid mental image of what the organisation will be like in
the future. Well crafted visions describe the future in a way that is easy .
Create a C program which auto-completes suggestions when beginning t.pdf
Create a C program which auto-completes suggestions when beginning to type a command and
pressing tab. The program needs to read all the files names in a directory given by the user and
store them in a data structure made up of a 26-element array of linked lists. A linked list
implementation in C is required. Create a linked list for each letter of the alphabet in which
you\'ll store the filenames which begin with that letter in some order. After reading the
filenames, the user provides the beginning of a filename they\'ll like to search. The output should
be all the filenames which match that prefix. The program should continue to ask for beginnings
of filenames until an empty string is entered.
Solution
Code
-----------
#include
#include
#include
struct node
{
char data[10] ;
struct node *next;
}*head;
node* arrNode[26];
char lettersPosition[26] =
{\'a\',\'b\',\'c\',\'d\',\'e\',\'f\',\'g\',\'h\',\'i\',\'j\',\'k\',\'l\',\'m\',\'n\',\'o\',\'p\',\'q\',\'r\',\'s\',\'t\',\'u\',\'v\',\'w\',\'x
\',\'y\',\'z\'};
/*
* Creating Node
*/
node* create_node(char fileName[])
{
node* newnode = (node *)malloc(sizeof(node));
if (newnode == NULL)
{
printf(\"\ Memory was not allocated\");
return 0;
}
else
{
strcpy(newnode->data,fileName);
newnode->next = NULL;
return newnode;
}
}
void display(struct node *r)
{
r=head;
if(r==NULL)
{
return;
}
while(r!=NULL)
{
printf(\"%s \",r->data);
r=r->next;
}
printf(\"\ \");
}
void search(char beginningFilePrefix[])
{
node* newnode = NULL;
char str[10];
strcpy(str,beginningFilePrefix);
char dirPos = str[0];
node* r = arrNode[lettersPosition[dirPos]];
if(r==NULL){
printf( \"No file is avialable in directory\");
return;
}else{
while(r!=NULL){
char tempFile[10];
bool isMathched = true;
strcpy(tempFile,r->data);
for( int i = 0; i < 1 ; i++){
printf(\"%c %c\",str[i],tempFile[i]);
if(!(str[i] == tempFile[i])){
isMathched = false;
}
}
if(isMathched){
if(newnode == NULL){
newnode = (node *)malloc(sizeof(node));
strcpy(newnode->data,r->data);
}else{
struct node *temp,*right;
temp= (struct node *)malloc(sizeof(struct node));
strcpy(temp->data,r->data);
right=(struct node *)newnode;
while(right->next != NULL){
right=right->next;
}
right->next =temp;
right=temp;
right->next=NULL;
}
}
r=r->next;
}
}
if(newnode==NULL){
printf(\"File not found with given search critieria\");
}else{
printf(\" Below are the output or file list which are matched with search criteria \ \");
while(newnode!=NULL){
printf(\"%s \ \",newnode->data);
newnode=newnode->next;
}
}
printf(\"\ \");
}
void displayFromArray(int dirPosition)
{
node* r= arrNode[dirPosition];
if(r==NULL){
printf( \"r is null\");
return;
}
while(r!=NULL){
printf(\"%s \",r->data);
r=r->next;
}
printf(\"\ \");
}
void insertIntoArray(char fileName[],int dirPosition){
struct node *temp;
temp=(struct node *)malloc(sizeof(struct node));
strcpy(temp->data,fileName);
node* r = arrNode[dirPosition];
if(lettersPosition[dirPosition] == fileName[0]){
printf(\"directory starts with letter %c cannot hold fi.
Compare the DHCP and DHCPv6SolutionThe comparison between the .pdf
Compare the DHCP and DHCPv6
Solution
The comparison between the DHCP and DHCPv6 is highlighted as below
1) DHCP packets are send over IPv4 while as DHCPv6 packets are sent over IPv6.
2) DHCPV6 used IPV6 multicast messages while as DHCP used IPV4 broadcast messsages
over the LAN.
3) DHCP has a default IP gateway address for the client while as DHCPv6 Does not have it.
4) DHCP can be configures over a router while as DHCPv6 does not have this option.
5) Scopes and leases is the concept used by both protocols.
6) DHCP Client, Relay and Server is the concept used by both the protocols.
7) Both messages types are different but perform olmost the same funtion.
8) Both Protocols use the DHCP end node for the additional information..
Consider in a given economy For a given time period the following in.pdf
Consider in a given economy: For a given time period the following information indicated
numbers of goods and services needed (Items) Unit Price for these items for selected time are
shown in the table below. Assume base year is 1981: calculate CPI for 1971, 1981, 1992 and
2012, Make sure show all your calculations Consider the following information, Use the CPI
from part one, and assume base is 1992. Complete the table Calculate percentage change of
Nominal GDP from 1971 to 2012. Calculate percentage change of Real GDP from 19711 to
2012. Explain the difference between nominal percentage change and real percentage change.
Solution
CPI=current year expenditure * 100/base year expenditure.
Background Many cities such as Detroit, MI have been in the news re.pdf
Background: Many cities such as Detroit, MI have been in the news recently regarding
underfunded pension funds. This exercise addresses a simplified version of some of the issues
involved (doing this as a starting point is common: the key generally is to address the core work,
adding more complexity later to make the analysis more accurate).
Solution
We have to analysis the background by the background data.
Can someone put this code in a zip file. I tried running it last tim.pdf
Can someone put this code in a zip file. I tried running it last time it was answered but it did not
work.. Please and thanks in advance..
In my template for how to solve JH2, I assume you have seen the StringTokenizer which should
be covered in cps161. You can find it in the first 9 chapters of \"Absolute Java\" by Savitch. The
StringTokenizer is a simple class for parsing a String that has multiple words on it. Run the
following simple example to see what it does:
class participation: 5 points
file_operations(45 points)
Create a package named file_operations and a class named FileOperations which will receive
one or more command line pathnames to command files. Each command file will be opened and
processed line by line. Each line can contain one of the following commands:
? - This command will print out the legal commands available
createFile - The first string following \"createFile\" will be treated as a filename, and the
remaining strings will be written to the file separated by new lines.
printFile - The first string following \"printFile\" will be treated as a filename that will be opened
up and printed out to the screen.
lastModified - The first string following \"lastModified\" will be treated as a filename for which
we will print out the date when this file was last modified.
size - The first string following \"size\" will be treated as a filename for which we will print out
the number of bytes it contains.
rename - The first string following \"rename\" will be treated as the current filename and the
second string will be treated as the new filename we desire.
mkdir - The first string following \"mkdir\" will be treated as the name of a directory that should
be created.
delete - The first string following \"delete\" will be treated as the name of a file that should be
deleted.
list - The first string following \"list\" will be treated as the name of a directory for which we
want a list of the files it contains.
quit - exit program
Anything else is a bad command
For a non-existent command file, you would get something like:
For a good command file like cmd.txt
cmd.txt
Your output would look something like:
Here is a template that you can use.
Once you have your program written, I want you to add the following files to the top level of
your project and run the test that I request:
cmd1.txt
cmd2.txt
Run your program with the following command line:
cmd1.txt non-existent-file cmd2.txt
Insert the contents of your screen into the appropriate JH2 worksheet.
Please don\'t create a file with the name non-existent-file!!!
Solution
Hi,
PFB the class for the question. Please comment for any queries/feedbacks.
Thanks,
Anita
FileOperations.java
package file_operations;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.SimpleDat.
Assignment 1. List the three visual elements Brieny descrbe each. 2 W.pdf
Assignment 1. List the three visual elements Brieny descrbe each. 2 What is the PCL? Give an
example of how it is used 3. What is the file ending lor an Android project? Windows Project?
Windows Phone Project? Mac project? A. Explain where Form int can be found for Windows,
Windows phone, Android, and Mac applicatons. 5 Each platform must instantiate the APP class
(wihich is located in the PCL This occurs in a can to the oadApplication Explain where this call
occurs in the Windows, Windows Phone, Android, and Mac platforms. 6 What is the difference
between PCL and SAP? 7 Explain how to create a label 8 Explain how padding works Make sure
to include a differences that exist with damerent devices 9 How do you set a margin? 10 How do
you center a label? How do you center text within a label?
Solution
Form:
The form of a piece is its form, including its volume or perceived volume. A three-dimensional
artwork has depth as well as breadth and height. Three-dimensional form is the basis of
sculpture.However, two-dimensional artwork will win the illusion of type with the employment
of perspective and/or shading or modelling techniques. Formalism is the analysis of works by
their form or shapes in humanities or anthropology.
Line
Lines and curves are marks that span a distance between 2 points . As an component of visual
art, line is the use of assorted marks, outlines, and implied lines in design and style. A line has a
width, direction, and length. A line\'s width is typically referred to as its \"thickness\". Lines are
typically referred to as \"strokes\", especially once referring to lines in digital design.
Color
Color is the element of art that\'s made once light-weight, striking AN object, is reflected back
to the eye. There are 3 properties to color. The first is hue, which merely means that the name we
have a tendency to offer to a color . The second element is intensity, which refers to the
vividness of the color. A color\'s intensity is sometimes stated as its \"colorfulness\", its
\"saturation\", its \"purity\" or its \"strength\".The third and final property of color is its value,
meaning however light-weight or dark it is. The terms shade and tint refer to value changes in
colours. In painting, shades are created by adding black to a color, while tints ar created by
adding white to a color..
A. Intergenic sequences make up 60 of the human genome. Where do t.pdf
A. Intergenic sequences make up >60% of the human genome. Where do these intergenic
sequences come from?
B. What are some of their functions?
a. May encode mRNAs
b. May encode miRNAs
c. May be nonfunctional sequences
d. May serve as regulatory sequences for transcription
Solution
A)Intergenic regions are short -coding regions that are found with in genes iin eukaryotic
organisms. It is one of the DNA sequences sometimes referred to as junk DNA, Intergenic
regions are a subset of noncoding DNA. these intergenic dna consists of parasitic dna regions of
transposable elements.An Intergenic sequence is a stretch of DNA sequences located between
genes.Intergenic regions are a subset of noncoding DNA. some intergenicDNA acts to control
genes.
B) d)May serve as regulatory sequences for transcription.
a) How can habitat selection and sexual selection drive sympatric sp.pdf
a) How can habitat selection and sexual selection drive sympatric speciation?
b) What are hybrid zones and why can they be viewed as “natural laboratories” in which to study
speciation?
Solution
a)sympatric speciation is when a small population becomes a new species without geographic
separation due to reduced gene flow by factors like polyploidy, habitat differentiation, and sexual
selection.This type of speciation takes place in geographically overlapping populations.There is
no physical barrier, but still interruption of gene flow is there.
For example in fruit flies, food source (habitat selection) and apple maget fruit flies
Ex. Cichlids(Differ in coloration of breeding males). Mate choice based on male breeding
coloration is the main reproductive barrier that normally keeps these gene pools of these two
species separate.
b)Hybrid zones are regions in which members of different species meet and mate, producing
some offspring of mixed ancestry. Such regions are \"natural laboratories\" in which to study
speciation because scientists can directly observe factors that cause (or fail to cause)
reproductive isolation..
A common test of balances in a revenue cycle is the inquiry of manage.pdf
A common test of balances in a revenue cycle is the inquiry of management about the likelihood
of delinquent accounts receivable. This test concerns primarily with which one of the 28.
following management assertions? a. Existence or occurrence assertion. c. Presentation and
disclosure assertion. b. Valuation assertion. d. Completeness assertion.
Solution
2A common test of balances in a revenue cycle is the inquiry of management about the
likelihood of delinquent account receivable. This test concerns primarily with which one of the
following management assertions?
a.Existence or occurence assertion.
7. Recently, Skooterville has experienced a large growth in populati.pdf
7. Recently, Skooterville has experienced a large growth in population. As a result, the market
demand curve for housing in Skooterville:has shifted to the right.
Solution
Answer
Recently, Skooterville has experienced a large growth in population. As a result, the market
demand curve for housing in Skooterville:
Has shifted to the left.
50mL of a 0.1000 M aqueous solution of hydrazoic acid (HN3, Ka=1.91.pdf
50mL of a 0.1000 M aqueous solution of hydrazoic acid (HN3, Ka=1.9*10^-5) is titrated with a
0.1000M solution of sodium Hydroxide. Calculate the pH at the following points a. Before
Titration b. After the addition of 5.00mL of NaOH c. After the addition of 25.00mL of NaOH d.
After the addition of 50.00mL of NaOH e. After the addition of 5.00mL of NaOH
Solution
HN3+ NaOH--> NaN3 +H2O
mini moles of HN3=5
ka=Ka=1.9*10^-5
pka=4.72
a) ph before addition
before addition only weak acid is present
alpha=sqrt(ka/c)
=1.37*10^-2
c.alpha= [H+]= 1.37*10^-3
ph=2.86
b) after addition of 5 ml
mini moles of naoh added=0.5
ph=4.72+log(0.5/(5-0.5))
ph=3.76
c) after addition of 25 ml Naoh
ph=4.72+log(2.5/(5-2.5))
ph=4.72
d)after addition of 50 ml
now this is equivalence point.
Here N1v1=N2v2
here salt hydrolysis will take place
N3- +H2O <=> HN3+OH-
pOH=1/2(pKw-pKa-logC)
C= 5/(50+50)
=1/20M
pOH=1/2(14-4.72+1.30)
=5.29
ph=8.71.
4. For each of the following electrochemical cells i. Identify the a.pdf
4. For each of the following electrochemical cells: i. Identify the anode, the cathode, the reduced
species and the oxidized species. ii. Write the half reactions for the anode and cathode, and the
net reaction. ii. Calculate the standard cell potential (E°). *Note- For learning purposes, the
cathodes are not always on the left! e. C)SO (),H\'(H2S03(a)Co\"(a)Co)
Solution
a.
Cathode : Cr2+/Cr
Anode : Sn/Sn2+
Oxidized : Sn
Reduced : Cr2+
half-reactions,
Sn --> Sn2+ + 2e-
Cr2+ + 2e- --> Cr
net reaction : Sn + Cr2+ --> Sn2+ + Cr
Eo = Ecathode - Eanode = -0.14 - (-0.91) = 0.77 V
b.
Cathode : Ni2+/Ni
Anode : Fe/Fe2+
Oxidized : Fe
Reduced : Ni2+
half-reactions,
Fe --> Fe2+ + 2e-
Ni2+ + 2e- --> Ni
net reaction : Fe + Ni2+ --> Fe2+ + Ni
Eo = Ecathode - Eanode = -0.25 - (-0.44) = 0.19 V
c.
Cathode : Cu2+/Cu
Anode : Pb/Pb2+
Oxidized : Pb
Reduced : Cu2+
half-reactions,
Pb --> Pb2+ + 2e-
Cu2+ + 2e- --> Cu
net reaction : Pb + Cu2+ --> Pb2+ + Cu
Eo = Ecathode - Eanode = 0.337 - 0.126 = 0.211 V
d.
Cathode : Cl2/Cl-
Anode : Zn/Zn2+
Oxidized : Zn
Reduced : Cl2
half-reactions,
Zn --> Zn2+ + 2e-
Cl2 + 2e- --> 2Cl-
net reaction : Zn + Cl2 --> Zn2+ + 2Cl-
Eo = Ecathode - Eanode = 1.358 - (-0.763) = 2.121 V
e.
Cathode : SO4^2-/H2SO3
Anode : Co/Co2+
Oxidized : Co
Reduced : SO4^2-
half-reactions,
Co --> Co2+ + 2e-
SO4^2- + 4H+ + 2e- --> H2SO3 + H2O
net reaction : 2Co + SO4^2- + 4H+ --> 2Co2+ + H2SO3 + H2O
Eo = Ecathode - Eanode = 0.17 - (-0.28) = 0.45 V
f.
Cathode : O2/H2O2
Anode : Cu2+/Cu
Oxidized : Cu
Reduced : O2
half-reactions,
Cu --> Cu2+ + 2e-
O2 + 2H+ + 2e- --> H2O2
net reaction : Cu + O2 + 2H+ --> Cu2+ + H2O2
Eo = Ecathode - Eanode = 0.682 - 0.337 = 0.345 V
g.
Cathode : Cr2O7^2-/Cr3+
Anode : Fe2+/Fe3+
Oxidized : Fe2+
Reduced : Cr2O7^2-
half-reactions,
Fe --> Fe2+ + 2e-
Cr2O7^2- + 14H+ 6e- --> 2Cr3+ + 7H2O
net reaction : 6Fe + Cr2O7^2- + 14H+ 6e- --> 6Fe2+ + 2Cr3+ + 7H2O
Eo = Ecathode - Eanode = 1.33 - 0.771 = 0.559 V.
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For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/YouTube:- youtube.com/@mulesoftmysore
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Here is the given code, and the things I need to be done. Ive post.pdf
- 1. Here is the given code, and the things I need to be done. I've posted this about 3 times and nobody has helped me yet.. import javax.swing.*; import java.awt.event.*; public class JavaMenus extends JFrame { public JavaMenus() { super("Java Menu Example"); JMenu file = new JMenu("File"); file.setMnemonic('F'); JMenuItem ItemNew = new JMenuItem("New"); ItemNew.setMnemonic('N'); file.add(ItemNew); JLabel fileButton = new JLabel(new ImageIcon("dukejdk")); JMenuItem ItemOpen = new JMenuItem("Open"); ItemOpen.setMnemonic('O'); file.add(ItemOpen); JMenuItem ItemExit = new JMenuItem("Exit"); ItemExit.setMnemonic('x'); file.add(ItemExit); final JLabel label1 = new JLabel(" Welcome"); add(label1); this.setSize(100, 100); setVisible(true); ItemNew.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { label1.setText(" New"); JOptionPane.showMessageDialog(null, "New was Clicked", "Result", JOptionPane.PLAIN_MESSAGE); } } ); ItemOpen.addActionListener(
- 2. new ActionListener(){ public void actionPerformed(ActionEvent e) { label1.setText(" Open"); JOptionPane.showMessageDialog(null, "Open was Clicked", "Result", JOptionPane.PLAIN_MESSAGE); } } ); ItemExit.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { label1.setText(" Exit"); JOptionPane.showMessageDialog(null, "Exit was Clicked", "Result", JOptionPane.PLAIN_MESSAGE); } } ); JMenuBar bar = new JMenuBar(); setJMenuBar(bar); bar.add(file); getContentPane(); setSize(250, 250); setVisible(true); } public static void main(String[] args) { JavaMenus appMenu = new JavaMenus(); appMenu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } Modify your program code for the JavaMenus.java file such that the program will include a new menu item. To do this alter the menu component items scheme to appear as follows.
- 3. Open Item A Graphic image appears drawn out in the Frame New Item A historical quote appears in the Frame along with a corresponding image related to the quote. Example- picture of Steve Jobs along with a Jobs quote of sorts. Edit Item A message box appears with the user’s name. Exit Item The application exits. Test your modified program. STEP 5 Supplement the Program Code Modify again your program code for the JavaMenus.java file such that the program will include a new second column of menu items. To do this alter the menu bar such that it will contain these items. Welcome Item A message box appears that describes the program. About Item A message box appears with your name, as the programmer and version number of the app. Open Item A Graphic image appears drawn out in the Frame New Item A historical quote appears in the Frame along with a corresponding image related to the quote. Example- picture of Steve Jobs along with a Jobs quote of sorts. Edit Item A message box appears with the user’s name. Exit Item The application exits. Solution
- 4. package test; import javax.swing.*; import java.awt.event.*; import java.io.File; public class JavaMenus extends JFrame { public JavaMenus() { super("Java Menu Example"); JMenu file = new JMenu("File"); file.setMnemonic('F'); JMenuItem ItemNew = new JMenuItem("New"); ItemNew.setMnemonic('N'); file.add(ItemNew); JMenuItem ItemOpen = new JMenuItem("Open"); ItemOpen.setMnemonic('O'); file.add(ItemOpen); JMenuItem ItemExit = new JMenuItem("Exit"); ItemExit.setMnemonic('x'); file.add(ItemExit); final JLabel label1 = new JLabel(" Welcome"); add(label1); this.setSize(100, 100); setVisible(true); ItemNew.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { label1.setText(" New"); setContentPane(new JLabel("Stay Hungry,Stay Foolish")); setContentPane(new JLabel(new ImageIcon("C:UsersComputerDownloadssteve.jpg"))); JOptionPane.showMessageDialog(null, "Stay Hungry,Stay Foolish", "Result", JOptionPane.PLAIN_MESSAGE);
- 5. } } ); ItemOpen.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { label1.setText(" Open"); JFileChooser chooser=new JFileChooser(); int returnVal = chooser.showOpenDialog(new JFrame()); File file=chooser.getSelectedFile(); setContentPane(new JLabel(new ImageIcon(file.getAbsolutePath()))); } } ); ItemExit.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { label1.setText(" Exit"); JOptionPane.showMessageDialog(null, "Exit was Clicked", "Result", JOptionPane.PLAIN_MESSAGE); } } ); JMenuBar bar = new JMenuBar(); setJMenuBar(bar); bar.add(file); getContentPane(); setSize(250, 250); setVisible(true); } public static void main(String[] args) {
- 6. JavaMenus appMenu = new JavaMenus(); appMenu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } don't know about what you mean by edit item