Please let me know if you need more clarification.final String pat.pdf
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Please let me know if you need more clarification. final String path = \"/opt/\"; path should be proper import java.awt.EventQueue; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.Timer; public class Example extends JPanel implements ActionListener { private static final int N = 4; private final List list = new ArrayList(); private final Timer timer = new Timer(1000, this); Example(String image1,String image2,String image3) { this.setLayout(new GridLayout(N, N)); BufferedImage bi = null; BufferedImage bi1 = null; BufferedImage bi2 = null; try { bi = ImageIO.read(new File(image1)); bi1 = ImageIO.read(new File(image2)); bi2 = ImageIO.read(new File(image3)); } catch (IOException e) { e.printStackTrace(); } list.add(new JLabel(new ImageIcon(bi))); list.add(new JLabel(new ImageIcon(bi1))); list.add(new JLabel(new ImageIcon(bi2))); createPane(); JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.add(this); f.pack(); f.setVisible(true); timer.start(); } private void createPane() { this.removeAll(); for (JLabel label : list) add(label); this.validate(); } @Override public void actionPerformed(ActionEvent e) { Collections.shuffle(list); createPane(); } public static void main(String[] args) { final String path = \"/opt/\"; final ArrayList list = new ArrayList(); for (int i=1; i<52; i++) { list.add(new Integer(i)); } EventQueue.invokeLater(new Runnable() { @Override public void run() { Collections.shuffle(list); String image1[]={\"\",\"\",\"\"}; for (int i=0; i<3; i++) { image1[i] = path + list.get(i) +\".jpg\"; System.out.println(image1[i]); } new Example(image1[0],image1[1],image1[2]); } }); } } Solution Please let me know if you need more clarification. final String path = \"/opt/\"; path should be proper import java.awt.EventQueue; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.Timer; public class Example extends JPanel implements ActionListener { private static final int N = 4; private final List list = new ArrayList(); private final Timer timer = new Timer(1000, this); Example(String image1,String image2,String image3) { this.setLayout(new GridLayout(N, N)); BufferedImage bi = null; BufferedImage bi1 = null; BufferedImage bi2 = null; try { bi = ImageIO.read(new File(image1)).
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![list.add(new JLabel(new ImageIcon(bi)));
list.add(new JLabel(new ImageIcon(bi1)));
list.add(new JLabel(new ImageIcon(bi2)));
createPane();
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(this);
f.pack();
f.setVisible(true);
timer.start();
}
private void createPane() {
this.removeAll();
for (JLabel label : list) add(label);
this.validate();
}
@Override
public void actionPerformed(ActionEvent e) {
Collections.shuffle(list);
createPane();
}
public static void main(String[] args) {
final String path = "/opt/";
final ArrayList list = new ArrayList();
for (int i=1; i<52; i++) {
list.add(new Integer(i));
}
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
Collections.shuffle(list);
String image1[]={"","",""};
for (int i=0; i<3; i++) {
image1[i] = path + list.get(i) +".jpg";
System.out.println(image1[i]);
}](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Main class --------------------------import java.awt.FlowLayout.pdf
Main class :-
-------------------------
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final InfixExperssionEvaluator ie = new InfixExperssionEvaluator();
JFrame frame = new JFrame(\"FrameDemo\");
frame.setSize(600,200);
frame.setLayout(new FlowLayout());
JPanel main = new JPanel(new GridLayout(3, 1));
JPanel panel1 = new JPanel(new GridLayout(1, 2));
panel1.setSize(500, 250);
panel1.add(new JLabel(\"Enter Infix Expression\"));
final JTextField field1 = new JTextField();
field1.setSize(150,100);
panel1.add(field1);
main.add(panel1);
JPanel panel2 = new JPanel(new GridLayout(1, 1));
panel1.setSize(300, 150);
JButton button = new JButton();
button.setSize(200, 100);
button.setText(\"Submit\");
panel2.add(button);
main.add(panel2);
JPanel panel3 = new JPanel(new GridLayout(1, 2));
panel3.add(new JLabel(\"Value : \"));
final JLabel lbl = new JLabel();
panel3.add(lbl);
main.add(panel3);
frame.getContentPane().add(main);
frame.setVisible(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (\"Submit\".equals(e.getActionCommand())) {
String expr = field1.getText();
lbl.setText(Double.toString(ie.infixToValue(expr)));
}
}
});
button.setActionCommand(\"Submit\");
String expr = \"((2*5)+(6/2))\";
System.out.println(\"value is ::\"+ ie.infixToValue(expr));
}
}
Class for Evaluate methods :-
-----------------------------------------
import java.util.ArrayDeque;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import java.util.StringTokenizer;
public class InfixExperssionEvaluator {
Stack expressionStack = new Stack();
Stack valueStack = new Stack(); //to hold only non-decimal values
public static final String OPERATORS=\"+-/*()\"; //ignore the \"(\" as an operator
//Map For Operator precedence Key(+,-,*,/) , value 0/1/2/3..
Map operator_levels = new HashMap();
public InfixExperssionEvaluator(){
operator_levels.put(\")\", 0);
operator_levels.put(\"*\", 1);
operator_levels.put(\"/\", 1);
operator_levels.put(\"+\", 2);
operator_levels.put(\"-\", 2);
operator_levels.put(\"(\", 3);
}
double infixToValue(String inputExpression) {
String eachNumber=\"\"; //to hold multiple digit values. lame idea, i know, but can\'t
think of anything else at 2 AM
int totalCharInInput = inputExpression.length();
inputExpression.replaceAll(\"\\\\s+\",\"\");
//Devide String to Tokens
StringTokenizer tokens = new StringTokenizer(inputExpression, \"{}()*/+-\", true);
//Loop through each Token
while(tokens.hasMoreTokens()){
String eachChar = tokens.nextToken();
if (isValidOperator(eachCh.
ViewerFrame.java import javax.swing.JFrame;public class Viewer.pdf
ViewerFrame.java
import javax.swing.JFrame;
public class ViewerFrame extends JFrame
{
public ViewerFrame(){
OpsPanel OP = new OpsPanel();
add(OP);
}
public static void main(String[] args){
ViewerFrame v = new ViewerFrame();
v.setSize(1000,600);
v.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
v.setVisible(true);
}
}
OpsPanel.java
import java.awt.Graphics;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Scanner;
import javax.swing.JPanel;
import java.awt.Font;
public class OpsPanel extends JPanel{
private int x = 50;
private int y = 50;
private int titleX = 50;
private int titleY = 30;
private Scanner in;
private String intLine1;
private String intLine2;
private String sign;
private ArrayList list = new ArrayList<>();
public OpsPanel(){
//Open file for reading and catch if file isn\'t there.
try{
in = new Scanner(new FileReader(\"addsAndSubtracts.txt\"));
}
catch(FileNotFoundException nf){
System.out.println(\"File Not Found!\");
}
while(in.hasNext()){
intLine1 = in.next();
sign = in.next();
intLine2 = in.next();
System.out.println(intLine1 + sign + intLine2);
list.add(new Ops(intLine1, intLine2, sign));
}
repaint();
}
@Override
public void paintComponent(Graphics g){
super.paintComponent(g);
g.setFont(new Font(g.getFont().getFontName(),Font.PLAIN, 20));
g.drawString(\"Operand 1 +/- Operand 2 = Result\", titleX, titleY);
g.setFont(new Font(g.getFont().getFontName(),Font.PLAIN, 12));
for (Ops o: list) {
o.drawInfo(g, x, y);
y+=15;
}
}
}
Ops.java
import java.util.LinkedList;
import java.awt.*;
import javax.swing.*;
//import java.util.Formatter;
public class Ops extends JPanel{
private String bigInt1;
private String sign1;
private String bigInt2;
private String sign2;
private String opSign;
private String calcSign;
private LinkedList largeInt;
private LinkedList smallInt;
private LinkedList resultInt;
public Ops(String bI1, String bI2, String sign){
//Save original sign for display.
opSign = sign;
//Save signs on strings.
if(bI1.charAt(0) == \'-\'){
bI1 = bI1.substring(1);
sign1 = \"-\";
}
else{
sign1 = \"\";
}
if(bI2.charAt(0) == \'-\'){
bI2 = bI2.substring(1);
sign2 = \"-\";
}
else{
sign2 = \"\";
}
//Test lengths for padding and other operations.
if(bI1.length() > bI2.length()){
}
else if(bI2.length() > bI1.length()){
}
else{
}
if(sign.equalsIgnoreCase(\"+\")){
if(sign1.equalsIgnoreCase(\"\") && sign2.equalsIgnoreCase(\"\")){
}
else{
}
}
}
public void calcResult(String bI1, String bI2, String calcS){
}
@Override
public String toString(){
String.format(\"\");
return sign1 + bigInt1 + \" \" + opSign + \" \" + sign2 + bigInt2 + \" = \" + resultInt;
}
public void drawInfo(Graphics g, int x, int y){
g.drawString(toString(), x,y);
}
}
Solution
ViewerFrame.java
import javax.swing.JFrame;
public class ViewerFrame extends JFrame
{
public ViewerFrame(){
OpsPanel OP = new OpsPanel();
add(OP);
}
public static void main(String[] args){
ViewerFrame v = new ViewerFrame();
v.setSize(1000,600);
v.se.
correct the error import javaxswingJFrame import javaxs.pdf
correct the error?
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.io.FileWriter;
import java.io.IOException;
import java.io.File;
import java.util.Scanner;
public class Form implements ActionListener{
private static JLabel userLabel;
private static JTextField userText;
private static JLabel PasswordLabel;
private static JPasswordField passwordLabel;
private static JButton button;
private static JLabel success;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(350,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
userLabel=new JLabel("UserName");
userLabel.setBounds(10,20,80,25);
panel.add(userLabel);
userText=new JTextField(20);
userText.setBounds(100,20,165,25);
panel.add(userText);
PasswordLabel=new JLabel("Password");
PasswordLabel.setBounds(10,50,80,25);
panel.add(PasswordLabel);
passwordLabel=new JPasswordField(20);
passwordLabel.setBounds(100,20,165,25);
panel.add(passwordLabel);
button=new JButton("Login");
button.setBounds(10,80,80,25);
button.addActionListener(new Login());
panel.add(button);
success=new JLabel(" ");
success.setBounds(10,110,300,25);
panel.add(success);
frame.setVisible(true);
}
public void actionPerformed(ActionEvent e){
String user=userText.getText();
String password=passwordText.getText();
System.out.printin(user+" , "+password);
if(user.equals("alex")&& password.equals("aleeexx")){
success.setText("Login successful!");
}
}
}
}
}
public class Form implements ActionListener{
private static JLabel nameLabel;
private static JTextField nameText;
private static JLabel ageLabel;
private static JTextField ageText;
private static JLabel occupationLabel;
private static JTextField occupationText;
private static JLabel salaryLabel;
private static JTextField salaryText;
private static JButton submitButton;
private static JLabel successLabel;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(400,300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
nameLabel=new JLabel("Name:");
nameLabel.setBounds(10,20,80,25);
panel.add(nameLabel);
nameText=new JTextField(20);
nameText.setBounds(100,20,165,25);
panel.add(nameText);
ageLabel=new JLabel("Age:");
ageLabel.setBounds(10,50,80,25);
panel.add(ageLabel);
ageText=new JTextField(20);
ageText.setBounds(100,50,165,25);
panel.add(ageText);
occupationLabel=new JLabel("Occupation:");
occupationLabel.setBounds(10,80,80,25);
panel.add(occupationLabel);
occupationText=new JTextField(20);
occupationText.setBounds(100,80,165,25);
panel.add(occupationText);
salaryLabel=new JLabel("Salary:");
salaryLabel.setBounds(10,110,80,.
import java.awt.BorderLayout; import java.awt.EventQueue; i.pdf
import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame;
import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import
javax.swing.JLabel; import javax.swing.JButton; import javax.swing.SwingConstants;
import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import
java.awt.FlowLayout; import java.awt.GridLayout; public class RockPaperScissorsGUI
extends JFrame { private JPanel contentPane; private JPanel humanDisplay = new
JPanel(); private JPanel computerDisplay = new JPanel(); private JLabel
winnerAnnouncement = new JLabel(\"Winner Shown Here\"); private JPanel choicePanel =
new JPanel(); private RPSChoice rock = RPSChoice.ROCK; private RPSChoice paper
= RPSChoice.PAPER; private RPSChoice scissors = RPSChoice.SCISSORS; private
RPSChoice randChoice; private final JPanel humOrCompPanel = new JPanel();
private final JLabel lblHuman = new JLabel(\"Human\"); private final JLabel lblComputer
= new JLabel(\"Computer\"); private JButton btnScissors = new JButton(\"Scissors\");
private JButton btnPaper = new JButton(\"Paper\"); private JButton btnRock = new
JButton(\"Rock\"); /** * Launch the application. */ public static void
main(String[] args) { EventQueue.invokeLater(new Runnable() { public void
run() { try { RockPaperScissorsGUI frame = new
RockPaperScissorsGUI(); frame.setVisible(true); } catch (Exception
e) { e.printStackTrace(); } } }); } /**
* Create the frame. */ public RockPaperScissorsGUI() { setTitle(\"Rock,
Paper, Scissors\"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 544, 366); contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new
BorderLayout(0, 0)); setContentPane(contentPane); JPanel choicePanel =
addPanels(); addButtons(choicePanel, rock, btnRock); addButtons(choicePanel,
paper, btnPaper); addButtons(choicePanel, scissors, btnScissors); } private
JPanel addPanels() { contentPane.add(humanDisplay, BorderLayout.WEST);
humanDisplay.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
contentPane.add(computerDisplay, BorderLayout.EAST);
winnerAnnouncement.setHorizontalAlignment(SwingConstants.CENTER);
contentPane.add(winnerAnnouncement, BorderLayout.CENTER);
contentPane.add(choicePanel, BorderLayout.NORTH);
contentPane.add(humOrCompPanel, BorderLayout.SOUTH);
humOrCompPanel.setLayout(new GridLayout(1, 0, 0, 0));
lblHuman.setHorizontalAlignment(SwingConstants.CENTER);
humOrCompPanel.add(lblHuman);
lblComputer.setHorizontalAlignment(SwingConstants.CENTER);
humOrCompPanel.add(lblComputer); return choicePanel; } private void
addButtons(JPanel choicePanel, RPSChoice choice, JButton button ){
button.addActionListener(new ActionListener() { public void
actionPerformed(ActionEvent arg0) { humanDisplay.removeAll();
humanDisplay.add(new JLabel(choice.getImageIcon()));
computerDisplay.removeAll(); randChoice = RPSChoice.randomChoice();
computerDisplay.add(new JLabel(randChoice.getImageIcon()));
choicePanel.repaint(.
import java.awt.event.ActionEvent; import java.awt.event.ActionLis.pdf
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
public class hangmanG extends javax.swing.JPanel{
private int count;
private static String[] words = {\"WELCOME\", \"AERONAUTICS\", \"TELEPHONE\",
\"VEHICLE\",
\"CELLULAR\", \"SOFTWARE\", \"PRACTICE\", \"ANNOYING\", \"AWESOME\",
\"GUESSED\"};
private int currentWord;
/**
* Creates new form hangmanG
*/
public hangmanG() {
initComponents();
count = 0;
currentWord = 0;
screen2.setVisible(false);
guesses.setVisible(false);
}
/**
* 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() {
heading = new javax.swing.JTextField();
A = new javax.swing.JButton();
F = new javax.swing.JButton();
B = new javax.swing.JButton();
javax.swing.JButton D = new javax.swing.JButton();
C = new javax.swing.JButton();
G = new javax.swing.JButton();
E = new javax.swing.JButton();
J = new javax.swing.JButton();
I = new javax.swing.JButton();
M = new javax.swing.JButton();
K = new javax.swing.JButton();
L = new javax.swing.JButton();
N = new javax.swing.JButton();
U = new javax.swing.JButton();
P = new javax.swing.JButton();
V = new javax.swing.JButton();
O = new javax.swing.JButton();
Q = new javax.swing.JButton();
R = new javax.swing.JButton();
S = new javax.swing.JButton();
T = new javax.swing.JButton();
W = new javax.swing.JButton();
X = new javax.swing.JButton();
Y = new javax.swing.JButton();
Z = new javax.swing.JButton();
screen1 = new javax.swing.JLabel();
guesses = new javax.swing.JLabel();
screen2 = new javax.swing.JLabel();
startStopBtn = new javax.swing.JButton();
invalidTFeild = new javax.swing.JTextField();
heading.setFont(new java.awt.Font(\"Arial\", 1, 14)); // NOI18N
heading.setText(\"Welcome to Hangman\");
heading.setToolTipText(\"\");
heading.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
headingActionPerformed(evt);
}
});
A.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
A.setText(\"A\");
A.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
AActionPerformed(evt);
}
});
F.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
F.setText(\"F\");
F.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
FActionPerformed(evt);
}
});
B.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
B.setText(\"B\");
B.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
BActionPerformed(evt);
}
});
D.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
D.setText(\"D\");
D.addActionListener(new java.awt.event.ActionLi.
correct the error and add code same in the pic import jav.pdf
correct the error and add code same in the pic?
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class Login implements ActionListener{
private static JLabel userLabel;
private static JTextField userText;
private static JLabel PasswordLabel;
private static JPasswordField passwordLabel;
private static JButton button;
private static JLabel success;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(350,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
userLable=new JLabel("UserName");
userLabel.setBounds(10,20,80,25);
panel.add(userLabel);
userText=new JTextField(20);
userText.setBounds(100,20,165,25);
panel.add(userText);
seclable=new JLabel("Password");
seclabe.setBounds(10,50,80,25);
panel.add(seclabel);
PasswordText=new JPasswordField(20);
PasswordText.setBounders(100,20,165,25);
panel.add(PasswordText);
button=new JButton("Login");
button.setBounds(10,80,80,25);
button.addActionListener(new Login());
panel.add(button);
success=new JLabel(" ");
success.setBounds(10,110,300,25);
panel.add(success);
frame.setVisible(true);
public void actionPerformed(ActionEvent e){
String user=userText.getText();
String password=passwordText.getText();
System.out.printin(user+" , "+password);
if(user.equals("ALEX")&& password.equals("allleex")){
success.setText("Login successful!");
}
}
}
}
}
}
Write and implement a program using JAVA, with a GUI that looks like the one shown below, if the
user clicks on submit button, store the fields in formfile.text and display the data from file into form..
I am getting a syntax error. I cant seem to find whats causing t.pdf
I am getting a syntax error. I can\'t seem to find what\'s causing this progrm even though I correct
what it\'s asking me to do. It seems to add even more errors.
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
public class GUI extends JFrame {
// create required GUI radios, labels, textfields and buttons
private JRadioButton iterative;
private JRadioButton recursive;
private JLabel entern;
private JLabel result;
private JLabel efficiency;
private JTextField t1;
private JTextField t2;
private JTextField t3;
private JButton compute;
private ButtonGroup radios = new ButtonGroup();
private ButtonGroup candidates = new ButtonGroup();
// create constructor for GUI
public GUI(){
super(\"Project 3\");
setLayout (new GridLayout(6,2));
setSize(275,250);
// initializing buttons and etc and adding them
iterative = new JRadioButton(\"Iterative\");
add(iterative);
recursive = new JRadioButton(\"Recursive\");
add(recursive);
// add radiobuttons to group so only one selection is possible
radios.add(iterative);
radios.add(recursive);
entern = new JLabel(\"Enter n:\");
add(entern);
result = new JLabel(\"Result:\");
add(result);
efficiency = new JLabel(\"Efficiency:\");
add(efficiency);
t1 = new JTextField();
add(t1);
compute = new JButton(\"Compute\");
add(compute);
t2 = new JTextField();
add(t2);
t3 = new JTextField();
add(t3);
/*
thehandler handler = new thehandler();
iterative.addActionListener(handler);
recursive.addActionListener(handler);
compute.addActionListener(handler);
****************************/
compute.addActionListener(new ActionListener (){
public void actionPerformed(ActionEvent b){
computeactionPerformed(b);
private void computeactionPerformed(ActionEvent b){
if ((iterative.isSelected(true))){
JOptionPane.showMessageDialog(null,\"you chose iterative\");
}
else if (recursive.isSelected(true)){
JOptionPane.showMessageDialog(null,\"you chose recursive\");
}
}
}
});
// create sub-panel for radio buttons
JPanel radioPanel = new JPanel();
radioPanel.add(iterative);
radioPanel.add(recursive);
/*
class thehandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
if(e.getSource()==iterative && e.getSource()==compute){
System.out.println(\"you chose iterative\");
}
else if(e.getSource()==recursive && e.getSource()==compute){
System.out.println(\"you chose recursive\");
}
}
}
******************************/
}
public static void main(String[]args){
GUI object = new GUI();
object.setVisible(true);
object.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
Solution
I have Change in code . No it\'s working without any compliantion error.
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.
Recommended
Main class --------------------------import java.awt.FlowLayout.pdf
Main class :-
-------------------------
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final InfixExperssionEvaluator ie = new InfixExperssionEvaluator();
JFrame frame = new JFrame(\"FrameDemo\");
frame.setSize(600,200);
frame.setLayout(new FlowLayout());
JPanel main = new JPanel(new GridLayout(3, 1));
JPanel panel1 = new JPanel(new GridLayout(1, 2));
panel1.setSize(500, 250);
panel1.add(new JLabel(\"Enter Infix Expression\"));
final JTextField field1 = new JTextField();
field1.setSize(150,100);
panel1.add(field1);
main.add(panel1);
JPanel panel2 = new JPanel(new GridLayout(1, 1));
panel1.setSize(300, 150);
JButton button = new JButton();
button.setSize(200, 100);
button.setText(\"Submit\");
panel2.add(button);
main.add(panel2);
JPanel panel3 = new JPanel(new GridLayout(1, 2));
panel3.add(new JLabel(\"Value : \"));
final JLabel lbl = new JLabel();
panel3.add(lbl);
main.add(panel3);
frame.getContentPane().add(main);
frame.setVisible(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (\"Submit\".equals(e.getActionCommand())) {
String expr = field1.getText();
lbl.setText(Double.toString(ie.infixToValue(expr)));
}
}
});
button.setActionCommand(\"Submit\");
String expr = \"((2*5)+(6/2))\";
System.out.println(\"value is ::\"+ ie.infixToValue(expr));
}
}
Class for Evaluate methods :-
-----------------------------------------
import java.util.ArrayDeque;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import java.util.StringTokenizer;
public class InfixExperssionEvaluator {
Stack expressionStack = new Stack();
Stack valueStack = new Stack(); //to hold only non-decimal values
public static final String OPERATORS=\"+-/*()\"; //ignore the \"(\" as an operator
//Map For Operator precedence Key(+,-,*,/) , value 0/1/2/3..
Map operator_levels = new HashMap();
public InfixExperssionEvaluator(){
operator_levels.put(\")\", 0);
operator_levels.put(\"*\", 1);
operator_levels.put(\"/\", 1);
operator_levels.put(\"+\", 2);
operator_levels.put(\"-\", 2);
operator_levels.put(\"(\", 3);
}
double infixToValue(String inputExpression) {
String eachNumber=\"\"; //to hold multiple digit values. lame idea, i know, but can\'t
think of anything else at 2 AM
int totalCharInInput = inputExpression.length();
inputExpression.replaceAll(\"\\\\s+\",\"\");
//Devide String to Tokens
StringTokenizer tokens = new StringTokenizer(inputExpression, \"{}()*/+-\", true);
//Loop through each Token
while(tokens.hasMoreTokens()){
String eachChar = tokens.nextToken();
if (isValidOperator(eachCh.
ViewerFrame.java import javax.swing.JFrame;public class Viewer.pdf
ViewerFrame.java
import javax.swing.JFrame;
public class ViewerFrame extends JFrame
{
public ViewerFrame(){
OpsPanel OP = new OpsPanel();
add(OP);
}
public static void main(String[] args){
ViewerFrame v = new ViewerFrame();
v.setSize(1000,600);
v.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
v.setVisible(true);
}
}
OpsPanel.java
import java.awt.Graphics;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Scanner;
import javax.swing.JPanel;
import java.awt.Font;
public class OpsPanel extends JPanel{
private int x = 50;
private int y = 50;
private int titleX = 50;
private int titleY = 30;
private Scanner in;
private String intLine1;
private String intLine2;
private String sign;
private ArrayList list = new ArrayList<>();
public OpsPanel(){
//Open file for reading and catch if file isn\'t there.
try{
in = new Scanner(new FileReader(\"addsAndSubtracts.txt\"));
}
catch(FileNotFoundException nf){
System.out.println(\"File Not Found!\");
}
while(in.hasNext()){
intLine1 = in.next();
sign = in.next();
intLine2 = in.next();
System.out.println(intLine1 + sign + intLine2);
list.add(new Ops(intLine1, intLine2, sign));
}
repaint();
}
@Override
public void paintComponent(Graphics g){
super.paintComponent(g);
g.setFont(new Font(g.getFont().getFontName(),Font.PLAIN, 20));
g.drawString(\"Operand 1 +/- Operand 2 = Result\", titleX, titleY);
g.setFont(new Font(g.getFont().getFontName(),Font.PLAIN, 12));
for (Ops o: list) {
o.drawInfo(g, x, y);
y+=15;
}
}
}
Ops.java
import java.util.LinkedList;
import java.awt.*;
import javax.swing.*;
//import java.util.Formatter;
public class Ops extends JPanel{
private String bigInt1;
private String sign1;
private String bigInt2;
private String sign2;
private String opSign;
private String calcSign;
private LinkedList largeInt;
private LinkedList smallInt;
private LinkedList resultInt;
public Ops(String bI1, String bI2, String sign){
//Save original sign for display.
opSign = sign;
//Save signs on strings.
if(bI1.charAt(0) == \'-\'){
bI1 = bI1.substring(1);
sign1 = \"-\";
}
else{
sign1 = \"\";
}
if(bI2.charAt(0) == \'-\'){
bI2 = bI2.substring(1);
sign2 = \"-\";
}
else{
sign2 = \"\";
}
//Test lengths for padding and other operations.
if(bI1.length() > bI2.length()){
}
else if(bI2.length() > bI1.length()){
}
else{
}
if(sign.equalsIgnoreCase(\"+\")){
if(sign1.equalsIgnoreCase(\"\") && sign2.equalsIgnoreCase(\"\")){
}
else{
}
}
}
public void calcResult(String bI1, String bI2, String calcS){
}
@Override
public String toString(){
String.format(\"\");
return sign1 + bigInt1 + \" \" + opSign + \" \" + sign2 + bigInt2 + \" = \" + resultInt;
}
public void drawInfo(Graphics g, int x, int y){
g.drawString(toString(), x,y);
}
}
Solution
ViewerFrame.java
import javax.swing.JFrame;
public class ViewerFrame extends JFrame
{
public ViewerFrame(){
OpsPanel OP = new OpsPanel();
add(OP);
}
public static void main(String[] args){
ViewerFrame v = new ViewerFrame();
v.setSize(1000,600);
v.se.
correct the error import javaxswingJFrame import javaxs.pdf
correct the error?
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.io.FileWriter;
import java.io.IOException;
import java.io.File;
import java.util.Scanner;
public class Form implements ActionListener{
private static JLabel userLabel;
private static JTextField userText;
private static JLabel PasswordLabel;
private static JPasswordField passwordLabel;
private static JButton button;
private static JLabel success;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(350,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
userLabel=new JLabel("UserName");
userLabel.setBounds(10,20,80,25);
panel.add(userLabel);
userText=new JTextField(20);
userText.setBounds(100,20,165,25);
panel.add(userText);
PasswordLabel=new JLabel("Password");
PasswordLabel.setBounds(10,50,80,25);
panel.add(PasswordLabel);
passwordLabel=new JPasswordField(20);
passwordLabel.setBounds(100,20,165,25);
panel.add(passwordLabel);
button=new JButton("Login");
button.setBounds(10,80,80,25);
button.addActionListener(new Login());
panel.add(button);
success=new JLabel(" ");
success.setBounds(10,110,300,25);
panel.add(success);
frame.setVisible(true);
}
public void actionPerformed(ActionEvent e){
String user=userText.getText();
String password=passwordText.getText();
System.out.printin(user+" , "+password);
if(user.equals("alex")&& password.equals("aleeexx")){
success.setText("Login successful!");
}
}
}
}
}
public class Form implements ActionListener{
private static JLabel nameLabel;
private static JTextField nameText;
private static JLabel ageLabel;
private static JTextField ageText;
private static JLabel occupationLabel;
private static JTextField occupationText;
private static JLabel salaryLabel;
private static JTextField salaryText;
private static JButton submitButton;
private static JLabel successLabel;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(400,300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
nameLabel=new JLabel("Name:");
nameLabel.setBounds(10,20,80,25);
panel.add(nameLabel);
nameText=new JTextField(20);
nameText.setBounds(100,20,165,25);
panel.add(nameText);
ageLabel=new JLabel("Age:");
ageLabel.setBounds(10,50,80,25);
panel.add(ageLabel);
ageText=new JTextField(20);
ageText.setBounds(100,50,165,25);
panel.add(ageText);
occupationLabel=new JLabel("Occupation:");
occupationLabel.setBounds(10,80,80,25);
panel.add(occupationLabel);
occupationText=new JTextField(20);
occupationText.setBounds(100,80,165,25);
panel.add(occupationText);
salaryLabel=new JLabel("Salary:");
salaryLabel.setBounds(10,110,80,.
import java.awt.BorderLayout; import java.awt.EventQueue; i.pdf
import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame;
import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import
javax.swing.JLabel; import javax.swing.JButton; import javax.swing.SwingConstants;
import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import
java.awt.FlowLayout; import java.awt.GridLayout; public class RockPaperScissorsGUI
extends JFrame { private JPanel contentPane; private JPanel humanDisplay = new
JPanel(); private JPanel computerDisplay = new JPanel(); private JLabel
winnerAnnouncement = new JLabel(\"Winner Shown Here\"); private JPanel choicePanel =
new JPanel(); private RPSChoice rock = RPSChoice.ROCK; private RPSChoice paper
= RPSChoice.PAPER; private RPSChoice scissors = RPSChoice.SCISSORS; private
RPSChoice randChoice; private final JPanel humOrCompPanel = new JPanel();
private final JLabel lblHuman = new JLabel(\"Human\"); private final JLabel lblComputer
= new JLabel(\"Computer\"); private JButton btnScissors = new JButton(\"Scissors\");
private JButton btnPaper = new JButton(\"Paper\"); private JButton btnRock = new
JButton(\"Rock\"); /** * Launch the application. */ public static void
main(String[] args) { EventQueue.invokeLater(new Runnable() { public void
run() { try { RockPaperScissorsGUI frame = new
RockPaperScissorsGUI(); frame.setVisible(true); } catch (Exception
e) { e.printStackTrace(); } } }); } /**
* Create the frame. */ public RockPaperScissorsGUI() { setTitle(\"Rock,
Paper, Scissors\"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 544, 366); contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new
BorderLayout(0, 0)); setContentPane(contentPane); JPanel choicePanel =
addPanels(); addButtons(choicePanel, rock, btnRock); addButtons(choicePanel,
paper, btnPaper); addButtons(choicePanel, scissors, btnScissors); } private
JPanel addPanels() { contentPane.add(humanDisplay, BorderLayout.WEST);
humanDisplay.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
contentPane.add(computerDisplay, BorderLayout.EAST);
winnerAnnouncement.setHorizontalAlignment(SwingConstants.CENTER);
contentPane.add(winnerAnnouncement, BorderLayout.CENTER);
contentPane.add(choicePanel, BorderLayout.NORTH);
contentPane.add(humOrCompPanel, BorderLayout.SOUTH);
humOrCompPanel.setLayout(new GridLayout(1, 0, 0, 0));
lblHuman.setHorizontalAlignment(SwingConstants.CENTER);
humOrCompPanel.add(lblHuman);
lblComputer.setHorizontalAlignment(SwingConstants.CENTER);
humOrCompPanel.add(lblComputer); return choicePanel; } private void
addButtons(JPanel choicePanel, RPSChoice choice, JButton button ){
button.addActionListener(new ActionListener() { public void
actionPerformed(ActionEvent arg0) { humanDisplay.removeAll();
humanDisplay.add(new JLabel(choice.getImageIcon()));
computerDisplay.removeAll(); randChoice = RPSChoice.randomChoice();
computerDisplay.add(new JLabel(randChoice.getImageIcon()));
choicePanel.repaint(.
import java.awt.event.ActionEvent; import java.awt.event.ActionLis.pdf
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
public class hangmanG extends javax.swing.JPanel{
private int count;
private static String[] words = {\"WELCOME\", \"AERONAUTICS\", \"TELEPHONE\",
\"VEHICLE\",
\"CELLULAR\", \"SOFTWARE\", \"PRACTICE\", \"ANNOYING\", \"AWESOME\",
\"GUESSED\"};
private int currentWord;
/**
* Creates new form hangmanG
*/
public hangmanG() {
initComponents();
count = 0;
currentWord = 0;
screen2.setVisible(false);
guesses.setVisible(false);
}
/**
* 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() {
heading = new javax.swing.JTextField();
A = new javax.swing.JButton();
F = new javax.swing.JButton();
B = new javax.swing.JButton();
javax.swing.JButton D = new javax.swing.JButton();
C = new javax.swing.JButton();
G = new javax.swing.JButton();
E = new javax.swing.JButton();
J = new javax.swing.JButton();
I = new javax.swing.JButton();
M = new javax.swing.JButton();
K = new javax.swing.JButton();
L = new javax.swing.JButton();
N = new javax.swing.JButton();
U = new javax.swing.JButton();
P = new javax.swing.JButton();
V = new javax.swing.JButton();
O = new javax.swing.JButton();
Q = new javax.swing.JButton();
R = new javax.swing.JButton();
S = new javax.swing.JButton();
T = new javax.swing.JButton();
W = new javax.swing.JButton();
X = new javax.swing.JButton();
Y = new javax.swing.JButton();
Z = new javax.swing.JButton();
screen1 = new javax.swing.JLabel();
guesses = new javax.swing.JLabel();
screen2 = new javax.swing.JLabel();
startStopBtn = new javax.swing.JButton();
invalidTFeild = new javax.swing.JTextField();
heading.setFont(new java.awt.Font(\"Arial\", 1, 14)); // NOI18N
heading.setText(\"Welcome to Hangman\");
heading.setToolTipText(\"\");
heading.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
headingActionPerformed(evt);
}
});
A.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
A.setText(\"A\");
A.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
AActionPerformed(evt);
}
});
F.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
F.setText(\"F\");
F.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
FActionPerformed(evt);
}
});
B.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
B.setText(\"B\");
B.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
BActionPerformed(evt);
}
});
D.setFont(new java.awt.Font(\"Tahoma\", 0, 14)); // NOI18N
D.setText(\"D\");
D.addActionListener(new java.awt.event.ActionLi.
correct the error and add code same in the pic import jav.pdf
correct the error and add code same in the pic?
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class Login implements ActionListener{
private static JLabel userLabel;
private static JTextField userText;
private static JLabel PasswordLabel;
private static JPasswordField passwordLabel;
private static JButton button;
private static JLabel success;
public static void main(String[] args){
JPanel panel=new JPanel();
JFrame frame=new JFrame();
frame.setSize(350,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.add(panel);
panel.setLayout(null);
userLable=new JLabel("UserName");
userLabel.setBounds(10,20,80,25);
panel.add(userLabel);
userText=new JTextField(20);
userText.setBounds(100,20,165,25);
panel.add(userText);
seclable=new JLabel("Password");
seclabe.setBounds(10,50,80,25);
panel.add(seclabel);
PasswordText=new JPasswordField(20);
PasswordText.setBounders(100,20,165,25);
panel.add(PasswordText);
button=new JButton("Login");
button.setBounds(10,80,80,25);
button.addActionListener(new Login());
panel.add(button);
success=new JLabel(" ");
success.setBounds(10,110,300,25);
panel.add(success);
frame.setVisible(true);
public void actionPerformed(ActionEvent e){
String user=userText.getText();
String password=passwordText.getText();
System.out.printin(user+" , "+password);
if(user.equals("ALEX")&& password.equals("allleex")){
success.setText("Login successful!");
}
}
}
}
}
}
Write and implement a program using JAVA, with a GUI that looks like the one shown below, if the
user clicks on submit button, store the fields in formfile.text and display the data from file into form..
I am getting a syntax error. I cant seem to find whats causing t.pdf
I am getting a syntax error. I can\'t seem to find what\'s causing this progrm even though I correct
what it\'s asking me to do. It seems to add even more errors.
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
public class GUI extends JFrame {
// create required GUI radios, labels, textfields and buttons
private JRadioButton iterative;
private JRadioButton recursive;
private JLabel entern;
private JLabel result;
private JLabel efficiency;
private JTextField t1;
private JTextField t2;
private JTextField t3;
private JButton compute;
private ButtonGroup radios = new ButtonGroup();
private ButtonGroup candidates = new ButtonGroup();
// create constructor for GUI
public GUI(){
super(\"Project 3\");
setLayout (new GridLayout(6,2));
setSize(275,250);
// initializing buttons and etc and adding them
iterative = new JRadioButton(\"Iterative\");
add(iterative);
recursive = new JRadioButton(\"Recursive\");
add(recursive);
// add radiobuttons to group so only one selection is possible
radios.add(iterative);
radios.add(recursive);
entern = new JLabel(\"Enter n:\");
add(entern);
result = new JLabel(\"Result:\");
add(result);
efficiency = new JLabel(\"Efficiency:\");
add(efficiency);
t1 = new JTextField();
add(t1);
compute = new JButton(\"Compute\");
add(compute);
t2 = new JTextField();
add(t2);
t3 = new JTextField();
add(t3);
/*
thehandler handler = new thehandler();
iterative.addActionListener(handler);
recursive.addActionListener(handler);
compute.addActionListener(handler);
****************************/
compute.addActionListener(new ActionListener (){
public void actionPerformed(ActionEvent b){
computeactionPerformed(b);
private void computeactionPerformed(ActionEvent b){
if ((iterative.isSelected(true))){
JOptionPane.showMessageDialog(null,\"you chose iterative\");
}
else if (recursive.isSelected(true)){
JOptionPane.showMessageDialog(null,\"you chose recursive\");
}
}
}
});
// create sub-panel for radio buttons
JPanel radioPanel = new JPanel();
radioPanel.add(iterative);
radioPanel.add(recursive);
/*
class thehandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
if(e.getSource()==iterative && e.getSource()==compute){
System.out.println(\"you chose iterative\");
}
else if(e.getSource()==recursive && e.getSource()==compute){
System.out.println(\"you chose recursive\");
}
}
}
******************************/
}
public static void main(String[]args){
GUI object = new GUI();
object.setVisible(true);
object.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
Solution
I have Change in code . No it\'s working without any compliantion error.
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.
Description (Part A) In this lab you will write a Queue implementati.pdf
Description (Part A) In this lab you will write a Queue implementation called CoolQueue, which
closely matches the java.util.Queue collection, except with fewer methods. Test code is provided
that allows you to compare your queue to the one in java.util.Queue, which you can assume is
completely correct.
Getting Started
Create a project called Lab9 and download following files:
QueueInterface.java
TestProgram.java
CoolQueue.java
Fill in the supplied CoolQueue.java to make it implement the provided QueueInterface methods.
Then use the TestProgram to verify that your code works. Here are the methods in the interface:
public interface QueueInterface {
// Add object onto rear of queue
public abstract boolean add(E item);
// Remove object from front of queue // Throws NoSuchElementException if empty
public abstract E remove();
// Peek object from front of queue // Throws NoSuchElementException if empty
public abstract E element();
// Check for empty
public abstract boolean isEmpty();
// Returns size
public abstract int size();
// Clears queue
public abstract void clear();
// Various searches
public abstract boolean contains(Object o);
// Override toString
public abstract String toString(); }
Instructions
Inherit the interface provided above.
The Queue is a generic data structure, so declare an LinkedList.
HINT: You should use the first entry or head of the LinkedList as the front of the queue.
HINT: You should use the last entry or tail of the LinkedList as the rear of the queue.
You must not use add(), remove(), or element() in the LinkedList object.
You must implement toString() first, format is the same as LinkedList.toString().
Incremental development, so test one method at a time.
Review the TestProgram to see what is tested by each test number, 1 through 7.
Below is the CoolQueue.java:
import java.util.LinkedList;
import java.util.NoSuchElementException;
class CoolQueue implements QueueInterface {
// Underlying data structure
// Default constructor
}
Below is the TestProgram.java:
import java.util.LinkedList;
import java.util.NoSuchElementException;
import java.util.Queue;
import java.util.Random;
public class TestProgram {
static Random random = new Random();
public static void main(String[] args) {
// Make a Java stack
Queue javaQueue = new LinkedList<>();
// Make a student stack
CoolQueue coolQueue = new CoolQueue<>();
// Which test?
int testNumber = Integer.parseInt(args[0]);
switch (testNumber) {
case 1: // testAdd
System.err.println(\"testAdd: verifying add() method\");
pushRandom(javaQueue, 10);
pushRandom(coolQueue, 10);
System.err.println(\"Java Queue: \" + javaQueue);
System.err.println(\"Cool Queue: \" + coolQueue);
break;
case 2: // testRemove
System.err.println(\"testRemove: verifying remove() method\");
pushRandom(javaQueue, 10);
pushRandom(coolQueue, 10);
// Legal removes
for (int i = 0; i < 10; i++) {
System.err.printf(\"javaQueue.remove(): %4s, coolQueue.remove(): %4s\ \",
javaQueue.remove(), coolQueue.remove());
}
// Queue e.
Write a new view class that displays the tree horizontally with the ro.docx
Write a new view class that displays the tree horizontally with the root on the left as shown ( Using JavaFX)
Solution
import javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class TreeViewTest extends Application {
private final Node rootIcon = new ImageView(
new Image(getClass().getResourceAsStream(\"a.png\"))
);
public static void main(String[] args) {
launch(args);
}
public void start(Stage primaryStage) {
primaryStage.setTitle(\"Tree View \");
TreeItem<String> rootItem = new TreeItem<String> (\"Inbox\", rootIcon);
rootItem.setExpanded(true);
for (int i = 1; i < 6; i++) {
TreeItem<String> item = new TreeItem<String> (\"Message\" + i);
rootItem.getChildren().add(item);
}
TreeView<String> tree = new TreeView<String> (rootItem);
StackPane root = new StackPane();
root.getChildren().add(tree);
primaryStage.setScene(new Scene(root, 300, 250));
primaryStage.show();
}
}
.
Use arrays to store data for analysis. Use functions to perform the .pdf
Use arrays to store data for analysis. Use functions to perform the analysis described below. All
output is to be written to an output file.
Solution
import java.util.Scanner;
import java.util.ArrayList;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
public class DNA{
private String dna;
public DNA(){
}
public void read_store(String filename){
/*try {
Scanner in;
//in = new Scanner(new FileReader(filename));
dna = in.next();
}catch(IOException e){
System.out.println(\"file not there \" + e);
return;
}*/
}
public char compliment_base(char c){
if(c == \'A\') return \'T\';
if(c == \'T\') return \'A\';
if(c == \'G\') return \'C\';
if(c == \'C\') return \'G\';
return \' \';
}
public void DrawDNA(String seq){
System.out.println(\"---+-----+------+------+------\");
for (char c : seq.toCharArray() ) {
System.out.print(c + \" \");
}
System.out.println(\"DNA Sequence \");
System.out.println(\"................................\");
for (char c : seq.toCharArray() ) {
System.out.print(compliment_base(c) + \" \");
}
System.out.println(\" Complement \");
System.out.println(\"---+-----+------+------+------\");
System.out.println(\"\");
}
public void Prefix(int n, String base){
String output = base.substring(0,n);
DrawDNA(output);
}
public static void main(String[] args) {
DNA d = new DNA();
d.DrawDNA(\"ATGC\");
d.Prefix(4,\"ACGTTGCA\");
}
}
---+-----+------+------+------
A T G C DNA Sequence
................................
T A C G Complement
---+-----+------+------+------
---+-----+------+------+------
A C G T DNA Sequence
................................
T G C A Complement
---+-----+------+------+------.
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.
import javaxswing import javaawtevent import javai.pdf
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
public class Lab2 extends JFrame implements ActionListener {
JButton open = new JButton("Next Program");
JTextArea result = new JTextArea(20,40);
JLabel errors = new JLabel();
JScrollPane scroller = new JScrollPane();
public Lab2() {
setLayout(new java.awt.FlowLayout());
setSize(500,430);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
add(open); open.addActionListener(this);
scroller.getViewport().add(result);
add(scroller);
add(errors);
}
public void actionPerformed(ActionEvent evt) {
result.setText(""); //clear TextArea for next program
errors.setText("");
processProgram();
}
public static void main(String[] args) {
Lab2 display = new Lab2();
display.setVisible(true);
}
String getFileName() {
JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION)
return fc.getSelectedFile().getPath();
else
return null;
}
/************************************************************************/
/* Put your implementation of the processProgram method here. */
/* Use the getFileName method to allow the user to select a program. */
/* Then simulate the execution of that program. */
/* You may add any other methods that you think are appropriate. */
/* However, you should not change anything in the code that I have */
/* written. */
/************************************************************************/
public void processProgram(){
final String filename = getFileName();
this.result.setText("");
if (filename == null){
return;
}
}
public void doStmt(String stmt){
}
}
Also, error checking is required..
Hacking the Codename One Source Code - Part III.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
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.
In Java Write a GUI application to simulate writing out a check. The.pdf
In Java Write a GUI application to simulate writing out a check. The value of a check can be
between 0 – 999,999,999,999.99. Your application will accept a name and a value. And display
it on a check. As a minimum you will display the following information: Bank name Pay to the
order of Amount in words Comma separate amount. Your GUI does not have to be exactly as
shown but must have the information indicated above.
Solution
Class cheque is used to enter values
public class Cheque extends javax.swing.JFrame {
public Cheque() {
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();
jTextField2 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jLabel3 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText(\"Name\");
jLabel2.setText(\"Amount\");
jButton1.setText(\"Submit\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jLabel3.setText(\"Enter Values\");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(12, 12, 12)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton1)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(jTextField2,
javax.swing.GroupLayout.PREFERRED_SIZE, 240,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE,
45, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, 240,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE,
206, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGap(32, 32, 32)))
.addContainerGap(7, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 34,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addCo.
Othello.javapackage othello;import core.Game; import userInter.pdf
Othello.java
package othello;
import core.Game;
import userInterface.OthelloUi;
public class Othello {
// main is \"static\" because it\'s going to be called by the java interpreter
// before any objects are created, thus, it does not need to be in an
// instance of the Othello class to be called, it can simply be called
// whenever.
public static void main(String[] args) {
Game game = new Game();
OthelloUi othelloUi = new OthelloUi(game);
}
}
OthelloUi.java
package userInterface;
import core.Game;
import userInterface.GameUi;
import userInterface.BoardUi;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JFrame;
public class OthelloUi extends JFrame {
private Game game;
private GameUi gameUi;
private BoardUi boardUi;
public OthelloUi(Game game) {
this.game = game;
// Create components and put them in JFrame upon class
// instantiation.
initComponents();
}
private void initComponents() {
this.setPreferredSize(new Dimension(600, 600));
this.setMinimumSize(new Dimension(600, 600));
// This is done to close the actual application once the
// UI is closed via X.
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gameUi = new GameUi();
boardUi = new BoardUi();
// By default, JFrame uses BorderLayout as its LayoutManager,
// which is responsible for managing how UI components are placed
// within framses/panels.
this.add(gameUi, BorderLayout.NORTH);
this.add(boardUi, BorderLayout.CENTER);
this.setVisible(true);
}
}
GameUi.java
package userInterface;
import java.awt.Dimension;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class GameUi extends JPanel {
public GameUi() {
// Creates components and puts them in the JPanel on
// instantiation.
initComponents();
}
private JLabel nameOne;
private JLabel nameTwo;
private JLabel scoreOne;
private JLabel scoreTwo;
private void initComponents() {
// Set dimensions for JPanel.
this.setPreferredSize(new Dimension(200, 100));
this.setMinimumSize(new Dimension(200, 100));
// Label components.
nameOne = new JLabel(\"Player One\");
nameTwo = new JLabel(\"Player Two\");
scoreOne = new JLabel(\"0\");
scoreTwo = new JLabel(\"0\");
nameOne.setMinimumSize(new Dimension(100, 50));
nameTwo.setMinimumSize(new Dimension(100, 50));
scoreOne.setMinimumSize(new Dimension(100, 50));
scoreTwo.setMinimumSize(new Dimension(100, 50));
// JPanel uses FlowLayout layout manager, which adds components
// left to right in a row, until it runs out of space and creates
// a new row.
this.add(nameOne);
this.add(scoreOne);
this.add(nameTwo);
this.add(scoreTwo);
}
}
BoardUi.java
package userInterface;
import core.Constants;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JPanel;
public class BoardUi extends JPanel {
private JButton[][] board;
private BoardListener listener;
public BoardUi() {
initComponents();
}
private voi.
Write a GUI application to simulate writing out a check. The value o.pdf
Use a power series to approximate the definite integral,I, to six decimal places.
Solution
(x^3)/(1 + x^4) = (x^3)*(1 + x^4)^-1 = (x^3)*(1 - x^4 + x^8 + . . . using the
binomial formula. (I doubt whether any more is necessary.) INT [0, 0.2] (x^3)/(1 + x^4) dx =
INT [0, 0.2] x^3 - x^7 + x^11 - . . . = (1/4)x^4 - (1/8)x^8 + (1/12)x^12 - . . . = (1/4)*0.2^4 -
(1/8)*0.2^8 + (1/12)*0.2^12 - . . . = 0.000399680 =0.000400 (6 dec. pl.).
in java(netbeans) create a javaFX GUI that can open and display the co.docx
in java(netbeans) create a javaFX GUI that can open and display the contents of a .txt file. and make it so the user can edit the contents of the .txt file and save the contents back to the same file.
Solution
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.text.JTextComponent;
import javax.swing.text.html.HTMLEditorKit;
public class WeightedGraph {
public static void main(String args[]) {
final String inputFilePath = \"C:\\\\Users\\\\skumar41\\\\Desktop\\\\MyFile.txt\"; //Replace yout text file here
JFrame jFrame = new JFrame(\"Load ,Edit and Save file\");
Container content = jFrame.getContentPane();
final JEditorPane edPane = new JEditorPane();
JScrollPane sPne = new JScrollPane(edPane);
content.add(sPne, BorderLayout.CENTER);
edPane.setEditorKit(new HTMLEditorKit());
JPanel jPanel = new JPanel();
Action Load = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
try {
load(edPane, inputFilePath);
} catch (Exception e1) {
e1.printStackTrace();
}
}
};
Load.putValue(Action.NAME, \"Load\");
JButton loadButton = new JButton(Load);
jPanel.add(loadButton);
Action absActionSave = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
try {
save(edPane, inputFilePath);
} catch (Exception e1) {
e1.printStackTrace();
}
}
};
absActionSave.putValue(Action.NAME, \"Save\");
JButton jButton = new JButton(absActionSave);
jPanel.add(jButton);
Action absActionClear = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
edPane.setText(\"\");
}
};
absActionClear.putValue(Action.NAME, \"Clear\");
JButton clearButton = new JButton(absActionClear);
jPanel.add(clearButton);
content.add(jPanel, BorderLayout.SOUTH);
jFrame.setSize(800, 600);
jFrame.setVisible(true);
}
public static void save(JTextComponent text, String inputFile) throws Exception {
FileWriter writer = null;
writer = new FileWriter(inputFile);
text.write(writer);
writer.close();
}
public static void load(JTextComponent text, String inputFile) throws Exception {
FileReader inputReader = null;
inputReader = new FileReader(inputFile);
text.read(inputReader, inputFile);
inputReader.close();
}
}
.
Hacking the Codename One Source Code - Part III - Transcript.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
Will be uploaded soonSolutionWill be uploaded soon.pdf
Will be uploaded soon
Solution
Will be uploaded soon.
yeah...it is... you are 100 rightSolutionyeah...it is... you.pdf
yeah...it is... you are 100 % right
Solution
yeah...it is... you are 100 % right.
More Related Content
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Description (Part A) In this lab you will write a Queue implementati.pdf
Description (Part A) In this lab you will write a Queue implementation called CoolQueue, which
closely matches the java.util.Queue collection, except with fewer methods. Test code is provided
that allows you to compare your queue to the one in java.util.Queue, which you can assume is
completely correct.
Getting Started
Create a project called Lab9 and download following files:
QueueInterface.java
TestProgram.java
CoolQueue.java
Fill in the supplied CoolQueue.java to make it implement the provided QueueInterface methods.
Then use the TestProgram to verify that your code works. Here are the methods in the interface:
public interface QueueInterface {
// Add object onto rear of queue
public abstract boolean add(E item);
// Remove object from front of queue // Throws NoSuchElementException if empty
public abstract E remove();
// Peek object from front of queue // Throws NoSuchElementException if empty
public abstract E element();
// Check for empty
public abstract boolean isEmpty();
// Returns size
public abstract int size();
// Clears queue
public abstract void clear();
// Various searches
public abstract boolean contains(Object o);
// Override toString
public abstract String toString(); }
Instructions
Inherit the interface provided above.
The Queue is a generic data structure, so declare an LinkedList.
HINT: You should use the first entry or head of the LinkedList as the front of the queue.
HINT: You should use the last entry or tail of the LinkedList as the rear of the queue.
You must not use add(), remove(), or element() in the LinkedList object.
You must implement toString() first, format is the same as LinkedList.toString().
Incremental development, so test one method at a time.
Review the TestProgram to see what is tested by each test number, 1 through 7.
Below is the CoolQueue.java:
import java.util.LinkedList;
import java.util.NoSuchElementException;
class CoolQueue implements QueueInterface {
// Underlying data structure
// Default constructor
}
Below is the TestProgram.java:
import java.util.LinkedList;
import java.util.NoSuchElementException;
import java.util.Queue;
import java.util.Random;
public class TestProgram {
static Random random = new Random();
public static void main(String[] args) {
// Make a Java stack
Queue javaQueue = new LinkedList<>();
// Make a student stack
CoolQueue coolQueue = new CoolQueue<>();
// Which test?
int testNumber = Integer.parseInt(args[0]);
switch (testNumber) {
case 1: // testAdd
System.err.println(\"testAdd: verifying add() method\");
pushRandom(javaQueue, 10);
pushRandom(coolQueue, 10);
System.err.println(\"Java Queue: \" + javaQueue);
System.err.println(\"Cool Queue: \" + coolQueue);
break;
case 2: // testRemove
System.err.println(\"testRemove: verifying remove() method\");
pushRandom(javaQueue, 10);
pushRandom(coolQueue, 10);
// Legal removes
for (int i = 0; i < 10; i++) {
System.err.printf(\"javaQueue.remove(): %4s, coolQueue.remove(): %4s\ \",
javaQueue.remove(), coolQueue.remove());
}
// Queue e.
Write a new view class that displays the tree horizontally with the ro.docx
Write a new view class that displays the tree horizontally with the root on the left as shown ( Using JavaFX)
Solution
import javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class TreeViewTest extends Application {
private final Node rootIcon = new ImageView(
new Image(getClass().getResourceAsStream(\"a.png\"))
);
public static void main(String[] args) {
launch(args);
}
public void start(Stage primaryStage) {
primaryStage.setTitle(\"Tree View \");
TreeItem<String> rootItem = new TreeItem<String> (\"Inbox\", rootIcon);
rootItem.setExpanded(true);
for (int i = 1; i < 6; i++) {
TreeItem<String> item = new TreeItem<String> (\"Message\" + i);
rootItem.getChildren().add(item);
}
TreeView<String> tree = new TreeView<String> (rootItem);
StackPane root = new StackPane();
root.getChildren().add(tree);
primaryStage.setScene(new Scene(root, 300, 250));
primaryStage.show();
}
}
.
Use arrays to store data for analysis. Use functions to perform the .pdf
Use arrays to store data for analysis. Use functions to perform the analysis described below. All
output is to be written to an output file.
Solution
import java.util.Scanner;
import java.util.ArrayList;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
public class DNA{
private String dna;
public DNA(){
}
public void read_store(String filename){
/*try {
Scanner in;
//in = new Scanner(new FileReader(filename));
dna = in.next();
}catch(IOException e){
System.out.println(\"file not there \" + e);
return;
}*/
}
public char compliment_base(char c){
if(c == \'A\') return \'T\';
if(c == \'T\') return \'A\';
if(c == \'G\') return \'C\';
if(c == \'C\') return \'G\';
return \' \';
}
public void DrawDNA(String seq){
System.out.println(\"---+-----+------+------+------\");
for (char c : seq.toCharArray() ) {
System.out.print(c + \" \");
}
System.out.println(\"DNA Sequence \");
System.out.println(\"................................\");
for (char c : seq.toCharArray() ) {
System.out.print(compliment_base(c) + \" \");
}
System.out.println(\" Complement \");
System.out.println(\"---+-----+------+------+------\");
System.out.println(\"\");
}
public void Prefix(int n, String base){
String output = base.substring(0,n);
DrawDNA(output);
}
public static void main(String[] args) {
DNA d = new DNA();
d.DrawDNA(\"ATGC\");
d.Prefix(4,\"ACGTTGCA\");
}
}
---+-----+------+------+------
A T G C DNA Sequence
................................
T A C G Complement
---+-----+------+------+------
---+-----+------+------+------
A C G T DNA Sequence
................................
T G C A Complement
---+-----+------+------+------.
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.
import javaxswing import javaawtevent import javai.pdf
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
public class Lab2 extends JFrame implements ActionListener {
JButton open = new JButton("Next Program");
JTextArea result = new JTextArea(20,40);
JLabel errors = new JLabel();
JScrollPane scroller = new JScrollPane();
public Lab2() {
setLayout(new java.awt.FlowLayout());
setSize(500,430);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
add(open); open.addActionListener(this);
scroller.getViewport().add(result);
add(scroller);
add(errors);
}
public void actionPerformed(ActionEvent evt) {
result.setText(""); //clear TextArea for next program
errors.setText("");
processProgram();
}
public static void main(String[] args) {
Lab2 display = new Lab2();
display.setVisible(true);
}
String getFileName() {
JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION)
return fc.getSelectedFile().getPath();
else
return null;
}
/************************************************************************/
/* Put your implementation of the processProgram method here. */
/* Use the getFileName method to allow the user to select a program. */
/* Then simulate the execution of that program. */
/* You may add any other methods that you think are appropriate. */
/* However, you should not change anything in the code that I have */
/* written. */
/************************************************************************/
public void processProgram(){
final String filename = getFileName();
this.result.setText("");
if (filename == null){
return;
}
}
public void doStmt(String stmt){
}
}
Also, error checking is required..
Hacking the Codename One Source Code - Part III.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
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.
In Java Write a GUI application to simulate writing out a check. The.pdf
In Java Write a GUI application to simulate writing out a check. The value of a check can be
between 0 – 999,999,999,999.99. Your application will accept a name and a value. And display
it on a check. As a minimum you will display the following information: Bank name Pay to the
order of Amount in words Comma separate amount. Your GUI does not have to be exactly as
shown but must have the information indicated above.
Solution
Class cheque is used to enter values
public class Cheque extends javax.swing.JFrame {
public Cheque() {
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();
jTextField2 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jLabel3 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText(\"Name\");
jLabel2.setText(\"Amount\");
jButton1.setText(\"Submit\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jLabel3.setText(\"Enter Values\");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(12, 12, 12)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton1)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(jTextField2,
javax.swing.GroupLayout.PREFERRED_SIZE, 240,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE,
45, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, 240,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE,
206, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGap(32, 32, 32)))
.addContainerGap(7, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 34,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addCo.
Othello.javapackage othello;import core.Game; import userInter.pdf
Othello.java
package othello;
import core.Game;
import userInterface.OthelloUi;
public class Othello {
// main is \"static\" because it\'s going to be called by the java interpreter
// before any objects are created, thus, it does not need to be in an
// instance of the Othello class to be called, it can simply be called
// whenever.
public static void main(String[] args) {
Game game = new Game();
OthelloUi othelloUi = new OthelloUi(game);
}
}
OthelloUi.java
package userInterface;
import core.Game;
import userInterface.GameUi;
import userInterface.BoardUi;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JFrame;
public class OthelloUi extends JFrame {
private Game game;
private GameUi gameUi;
private BoardUi boardUi;
public OthelloUi(Game game) {
this.game = game;
// Create components and put them in JFrame upon class
// instantiation.
initComponents();
}
private void initComponents() {
this.setPreferredSize(new Dimension(600, 600));
this.setMinimumSize(new Dimension(600, 600));
// This is done to close the actual application once the
// UI is closed via X.
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gameUi = new GameUi();
boardUi = new BoardUi();
// By default, JFrame uses BorderLayout as its LayoutManager,
// which is responsible for managing how UI components are placed
// within framses/panels.
this.add(gameUi, BorderLayout.NORTH);
this.add(boardUi, BorderLayout.CENTER);
this.setVisible(true);
}
}
GameUi.java
package userInterface;
import java.awt.Dimension;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class GameUi extends JPanel {
public GameUi() {
// Creates components and puts them in the JPanel on
// instantiation.
initComponents();
}
private JLabel nameOne;
private JLabel nameTwo;
private JLabel scoreOne;
private JLabel scoreTwo;
private void initComponents() {
// Set dimensions for JPanel.
this.setPreferredSize(new Dimension(200, 100));
this.setMinimumSize(new Dimension(200, 100));
// Label components.
nameOne = new JLabel(\"Player One\");
nameTwo = new JLabel(\"Player Two\");
scoreOne = new JLabel(\"0\");
scoreTwo = new JLabel(\"0\");
nameOne.setMinimumSize(new Dimension(100, 50));
nameTwo.setMinimumSize(new Dimension(100, 50));
scoreOne.setMinimumSize(new Dimension(100, 50));
scoreTwo.setMinimumSize(new Dimension(100, 50));
// JPanel uses FlowLayout layout manager, which adds components
// left to right in a row, until it runs out of space and creates
// a new row.
this.add(nameOne);
this.add(scoreOne);
this.add(nameTwo);
this.add(scoreTwo);
}
}
BoardUi.java
package userInterface;
import core.Constants;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JPanel;
public class BoardUi extends JPanel {
private JButton[][] board;
private BoardListener listener;
public BoardUi() {
initComponents();
}
private voi.
Write a GUI application to simulate writing out a check. The value o.pdf
Use a power series to approximate the definite integral,I, to six decimal places.
Solution
(x^3)/(1 + x^4) = (x^3)*(1 + x^4)^-1 = (x^3)*(1 - x^4 + x^8 + . . . using the
binomial formula. (I doubt whether any more is necessary.) INT [0, 0.2] (x^3)/(1 + x^4) dx =
INT [0, 0.2] x^3 - x^7 + x^11 - . . . = (1/4)x^4 - (1/8)x^8 + (1/12)x^12 - . . . = (1/4)*0.2^4 -
(1/8)*0.2^8 + (1/12)*0.2^12 - . . . = 0.000399680 =0.000400 (6 dec. pl.).
in java(netbeans) create a javaFX GUI that can open and display the co.docx
in java(netbeans) create a javaFX GUI that can open and display the contents of a .txt file. and make it so the user can edit the contents of the .txt file and save the contents back to the same file.
Solution
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.text.JTextComponent;
import javax.swing.text.html.HTMLEditorKit;
public class WeightedGraph {
public static void main(String args[]) {
final String inputFilePath = \"C:\\\\Users\\\\skumar41\\\\Desktop\\\\MyFile.txt\"; //Replace yout text file here
JFrame jFrame = new JFrame(\"Load ,Edit and Save file\");
Container content = jFrame.getContentPane();
final JEditorPane edPane = new JEditorPane();
JScrollPane sPne = new JScrollPane(edPane);
content.add(sPne, BorderLayout.CENTER);
edPane.setEditorKit(new HTMLEditorKit());
JPanel jPanel = new JPanel();
Action Load = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
try {
load(edPane, inputFilePath);
} catch (Exception e1) {
e1.printStackTrace();
}
}
};
Load.putValue(Action.NAME, \"Load\");
JButton loadButton = new JButton(Load);
jPanel.add(loadButton);
Action absActionSave = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
try {
save(edPane, inputFilePath);
} catch (Exception e1) {
e1.printStackTrace();
}
}
};
absActionSave.putValue(Action.NAME, \"Save\");
JButton jButton = new JButton(absActionSave);
jPanel.add(jButton);
Action absActionClear = new AbstractAction() {
@Override
public void actionPerformed(ActionEvent event) {
edPane.setText(\"\");
}
};
absActionClear.putValue(Action.NAME, \"Clear\");
JButton clearButton = new JButton(absActionClear);
jPanel.add(clearButton);
content.add(jPanel, BorderLayout.SOUTH);
jFrame.setSize(800, 600);
jFrame.setVisible(true);
}
public static void save(JTextComponent text, String inputFile) throws Exception {
FileWriter writer = null;
writer = new FileWriter(inputFile);
text.write(writer);
writer.close();
}
public static void load(JTextComponent text, String inputFile) throws Exception {
FileReader inputReader = null;
inputReader = new FileReader(inputFile);
text.read(inputReader, inputFile);
inputReader.close();
}
}
.
Hacking the Codename One Source Code - Part III - Transcript.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
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T.Y.B.S.CS Advance Java Practicals Sem 5 Mumbai University
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Hacking the Codename One Source Code - Part III.pdf
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This is social movement of British textile artisans in the early nin.pdf
This is social movement of British textile artisans in the early nineteenth century.
The Luddite movement, which began in 1811 and 1812 when mills and pieces of factory
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short time
the movement was so strong that it clashed in battles with the British Army. Measures taken by
the government included a mass trial at York in 1812 that resulted in many executions and
penal transportation.
The principal objection of the Luddites was against the introduction of new wide-framed
automated looms that could be operated by cheap, relatively unskilled labour, resulting in the
loss of jobs for many skilled textile workers.
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This is social movement of British textile artisans in the early nineteenth century.
The Luddite movement, which began in 1811 and 1812 when mills and pieces of factory
machinery were burned by handloom weavers, took its name from the fictive Ned Ludd. For a
short time
the movement was so strong that it clashed in battles with the British Army. Measures taken by
the government included a mass trial at York in 1812 that resulted in many executions and
penal transportation.
The principal objection of the Luddites was against the introduction of new wide-framed
automated looms that could be operated by cheap, relatively unskilled labour, resulting in the
loss of jobs for many skilled textile workers..
TCP RFC 793 TCPIP (Transmission Control ProtocolInternet Proto.pdf
TCP : RFC 793
TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language
or protocol of the Internet. It can also be used as a communications protocol in a private network
(either an intranet or an extranet). When you are set up with direct access to the Internet, your
computer is provided with a copy of the TCP/IP program just as every other computer that you
may send messages to or get information from also has a copy of TCP/IP.
UDP: RFC 768
UDP (User Datagram Protocol) is an alternative communications protocol to Transmission
Control Protocol (TCP) used primarily for establishing low-latency and loss tolerating
connections between applications on the Internet. Both UDP and TCP run on top of the Internet
Protocol (IP) and are sometimes referred to as UDP/IP or TCP/IP. Both protocols send short
packets of data, called datagrams.
UDP provides two services not provided by the IP layer. It provides port numbers to help
distinguish different user requests and, optionally, a checksum capability to verify that the data
arrived intact.
IPv4: RFC 791
Internet Protocol being a layer-3 protocol (OSI) takes data Segments from layer-4 (Transport)
and divides it into packets. IP packet encapsulates data unit received from above layer and add to
its own header information.
IPv4 is a connectionless protocol for use on packet-switched networks. It operates on a best
effort delivery model, in that it does not guarantee delivery, nor does it assure proper sequencing
or avoidance of duplicate delivery. These aspects, including data integrity, are addressed by an
upper layer transport protocol, such as the Transmission Control Protocol (TCP).
IPv6 : RFC 2460
IPv6 (Internet Protocol version 6) is a set of specifications from the Internet Engineering Task
Force (IETF) that\'s essentially an upgrade of IP version 4 (IPv4). The basics of IPv6 are similar
to those of IPv4 -- devices can use IPv6 as source and destination addresses to pass packets over
a network, and tools like ping work for network testing as they do in IPv4, with some slight
variations.
The most obvious improvement in IPv6 over IPv4 is that IP addresses are lengthened from 32
bits to 128 bits. This extension anticipates considerable future growth of the Internet and
provides relief for what was perceived as an impending shortage of network addresses. IPv6 also
supports auto-configuration to help correct most of the shortcomings in version 4, and it has
integrated security and mobility features.
HTTP : RFC 1945
HTTP (Hypertext Transfer Protocol) is the set of rules for transferring files (text, graphic
images, sound, video, and other multimedia files) on the World Wide Web. As soon as a Web
user opens their Web browser, the user is indirectly making use of HTTP. HTTP is an
application protocol that runs on top of the TCP/IP suite of protocols (the foundation protocols
for the Internet).
HTTP concepts include (as the Hypertext part of the name implies) the idea that .
sec-BuLi can be prepared by the reaction of sec-butyl halideswith li.pdf
sec-BuLi can be prepared by the reaction of sec-butyl halideswith lithium metal
Solution
sec-BuLi can be prepared by the reaction of sec-butyl halideswith lithium metal.
PasswordCheckerGUI.javaimport javafx.application.Application; im.pdf
PasswordCheckerGUI.java
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.control.Tooltip;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.geometry.Insets;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Scanner;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
public class PasswordCheckerGUI extends Application {
Label passwordRulesLabel; // Declares variable to display the rules of setting a valid
password
Label passwordLabel; // Declares variable to hold the \"Password\" Label
Label retypePasswordLabel; // Declares variable to hold the \"Re-type Password\"
Label
TextField passwordTextField; // Declares variable to hold the \"Password\" entry textfield
TextField retypePasswordTextField; // Declares variable to hold the \"Re-type Password\"
entry textfield
Button checkPasswordButton; // Declares variable to hold the \"Check Password\" button
Button checkFilePasswordsButton; // Declares variable to hold the \"Check Passwords in
File\" button
Button exitButton; // Declares variable to hold the \"Exit\" button
// Creates an instance of the PasswordChecker class to use in order to validate the passwords
PasswordChecker check = new PasswordChecker();
@Override
public void start(Stage stage)
{
// Create the label that will display the rules of creating a password
passwordRulesLabel = new Label(\"Use the following rules when creating your passwords\
\"
+ \"1. Length must be greater than 8\ \"
+ \"2. Must contain at least one upper case alpha character\ \"
+ \"3. Must contain at least on lower case alpha character\ \"
+ \"4. Must contain at least one numeric character\ \"
+ \"5. May not have more than 2 of the same character in sequence \");
// Create the password and re-type password labels to let the user know where to enter their
desired password
passwordLabel = new Label(\"Password\");
retypePasswordLabel = new Label(\"Re-typePassword\");
// Create the textfields to allow the user to enter their desired password
passwordTextField = new TextField();
passwordTextField.setPrefWidth(210);
retypePasswordTextField = new TextField();
retypePasswordTextField.setPrefWidth(210);
// Create the buttons that will be used by the password application to perform its functions.
checkPasswordButton = new Button(\"_Check Password\");
// Assign the C key as the mnemonic for the \"Check Password\" button
checkPasswordButton.setMnemonicParsing(true);
// Add a tooltip to the \"Check Password\" button
checkPasswordButton.setTooltip(new Tooltip(\"Click here to check if the desired password
is valid.\"));
checkPasswordButton.setPadding(new Insets(5, 18, 5, 18));
check.
pH + pOH = 14 pOH = 4.5 [OH-] = 10-4.5Fe(OH)2 --- Fe2+ + 2 O.pdf
pH + pOH = 14
pOH = 4.5
[OH-] = 10-4.5
Fe(OH)2 <---> Fe2+ + 2 OH-
M M 2M
2M = 10-4.5
M = 0.5*10-4.5 = 1.58*10-5 mol/l
Right?
Solution
pH + pOH = 14
pOH = 4.5
[OH-] = 10-4.5
Fe(OH)2 <---> Fe2+ + 2 OH-
M M 2M
2M = 10-4.5
M = 0.5*10-4.5 = 1.58*10-5 mol/l
Right?.
Node for list storage. class Ndd { int data; Ndd next; N.pdf
//Node for list storage.
class Ndd
{
int data;
Ndd next;
Ndd(int d)
{
data = d;
next = null;
}
}
//linked list operations.
class lnklist
{
Ndd hads;
//method to swap nodes..
public void swpNds(int xvv, int yvv)
{
//check two node values,if equal no need of shifting.
if (xvv == yvv) return;
Ndd prevX = null, currX = hads;
while (currX != null && currX.data != xvv)
{
prevX = currX;
currX = currX.next;
}
Ndd prevY = null, currY = hads;
while (currY != null && currY.data != yvv)
{
prevY = currY;
currY = currY.next;
}
if (currX == null || currY == null)
return;
if (prevX != null)
prevX.next = currY;
else
hads = currY;
if (prevY != null)
prevY.next = currX;
else
hads = currX;
Ndd temp = currX.next;
currX.next = currY.next;
currY.next = temp;
}
public void push(int nwd-ata)
{
Ndd nw-nd = new Ndd(nwd-ata);
nw-nd.next = hads;
hads = nw-nd;
}
public void prntList()
{
Ndd tNode = hads;
while (tNode != null)
{
System.out.print(tNode.data+\" \");
tNode = tNode.next;
}
}
public static void main(String[] ssds)
{
lnklist llist = new lnklist();
llist.push(7);
llist.push(6);
llist.push(5);
llist.push(4);
llist.push(3);
llist.push(2);
llist.push(1);
System.out.print(\"\ Linked list before calling swpNds() \");
llist.prntList();
llist.swpNds(4, 3);
System.out.print(\"\ Linked list after calling swpNds() \");
llist.prntList();
}
}
Solution
//Node for list storage.
class Ndd
{
int data;
Ndd next;
Ndd(int d)
{
data = d;
next = null;
}
}
//linked list operations.
class lnklist
{
Ndd hads;
//method to swap nodes..
public void swpNds(int xvv, int yvv)
{
//check two node values,if equal no need of shifting.
if (xvv == yvv) return;
Ndd prevX = null, currX = hads;
while (currX != null && currX.data != xvv)
{
prevX = currX;
currX = currX.next;
}
Ndd prevY = null, currY = hads;
while (currY != null && currY.data != yvv)
{
prevY = currY;
currY = currY.next;
}
if (currX == null || currY == null)
return;
if (prevX != null)
prevX.next = currY;
else
hads = currY;
if (prevY != null)
prevY.next = currX;
else
hads = currX;
Ndd temp = currX.next;
currX.next = currY.next;
currY.next = temp;
}
public void push(int nwd-ata)
{
Ndd nw-nd = new Ndd(nwd-ata);
nw-nd.next = hads;
hads = nw-nd;
}
public void prntList()
{
Ndd tNode = hads;
while (tNode != null)
{
System.out.print(tNode.data+\" \");
tNode = tNode.next;
}
}
public static void main(String[] ssds)
{
lnklist llist = new lnklist();
llist.push(7);
llist.push(6);
llist.push(5);
llist.push(4);
llist.push(3);
llist.push(2);
llist.push(1);
System.out.print(\"\ Linked list before calling swpNds() \");
llist.prntList();
llist.swpNds(4, 3);
System.out.print(\"\ Linked list after calling swpNds() \");
llist.prntList();
}
}.
Laser ScanningLaser scanning is an emerging data acquisition techn.pdf
Laser Scanning
Laser scanning is an emerging data acquisition technology that has remarkably broadened its
application field and has been a serious competitor to other surveying techniques. Due to rapid
technological development, the increased accuracy of global positioning systems and improving
demands to even more accurate digital surface models, airborne laser scanning showed
significant development in the 1990s.
Somewhat later terrestrial laser scanning became a reasonable alternative method in many kinds
of applications that previously by ground based surveying or close-range photogrammetry.
1 Airborne laser scanning
Airborne laser scanning is an active remote sensing technology that is able to rapidly collect data
from huge areas. The resulted dataset can be the base of digital surface and elevation models.
Airborne laser scanning is often coupled with airborne imagery, therefore the point clouds and
images can be fused resulting enhanced quality 3D product.
The basic principle is as follows: the sensor emits a laser pulse through the terrain in a
predefined direction and receives the reflected laser beam. Knowing the speed of light, the
distance of the object can be calculated, see Figure 1.
Figure 1.: Time of flight laser range measurement [2]
Airborne LiDAR systems are composed by the following subsystems:
The components are shown in Figure 2
Figure 2.: Principle of airborne LiDAR [2]
2. Sensors, equipment
Sensors can be distinguished based on the scanning method, i.e. how the laser beam is directed
through the surface. The four most widely used sensor types are shown in Figure 4.2.3.
Figure .3: Scanning mechanisms [1]
As it is clearly seen in Figure 3, different kinds of mechanisms are applied by the different types
of sensors; each has its advantages and shortcomings, e.g. number of moving parts, type of
rotation etc. that lead to different kinds of error sources.
The capabilities (repetition rate, scan frequency, scan angle, point density) of the above scanners
are very similar; the main difference lies in the scanning pattern, as seen in Figure 4. The most
widely used oscillating mirror scanners produce the zigzag pattern. Spacing along the line
depends on the pulse rate and scanning frequency, while spacing along the flight direction
depends on the flying speed. To avoid too wide spacing of points along flight direction, LiDAR
flights are usually slower (e.g. at 60-80 m/sec) compared to that of photogrammetric flights
(even 120-160 m/sec). Careful planning of the measurement results in rather homogenous
density, however, due to technical and microelectronic reasons (regarding the operating
mechanism of the mirror, especially in case of oscillating mirrors), higher point density can be
observed at the edges of the scan swath. Previously, critics were addressed to the fixed optic
scanners, i.e. the parallel scan lines along the flight direction can miss sizeable objects, but
vendors successfully responded and modified the mechanis.
InternetService.java import java.text.DecimalFormat; import jav.pdf
InternetService.java
import java.text.DecimalFormat;
import java.util.Scanner;
public class InternetService
{
public static void main(String[] args)
{
DecimalFormat df=new DecimalFormat(\"#.##\");
//initialize variable
char packageType;
int time;
double totalCharges;
double packA;
double packB;
double packC;
// create an object for Scanner class
Scanner input = new Scanner(System.in);
// prompt the user to enter the package purchased
System.out.print(\"\ Enter the package purchased: \");
packageType = input.next().charAt(0);
//prompt the user to enter the number of minutes used
System.out.print(\"Enter the number of minutes used: \");
time = input.nextInt();
//Calculate the bill amount of the particular month using the type of package and the number of
minutes.
//Then print results to the screen
switch(packageType)
{
case \'A\':
//Calling the Method for Package A charges
totalCharges=calPackA(time);
//Displaying the package A charges.
System.out.println(\"For Package A:\ The total charges for this month is $\" + totalCharges);
//Calling the Method for Package B charges
packB=calPackB(time);
//Calling the Method for Package C charges
packC=calPackC(time);
//If the package B is Less Than package A then display the difference amount
if(totalCharges>packB)
System.out.println(\"Amount of Money Package A customer would save, if he Purchased
Package B is:$\"+df.format(totalCharges-packB));
//If the package C is Less Than package A then display the difference amount
if(totalCharges>packC)
System.out.println(\"Amount of Money Package A customer would save, if he Purchased
Package C is:$\"+df.format(totalCharges-packC));
break;
case \'B\':
//Calling the Method for Package B charges
totalCharges=calPackB(time);
//Displaying the package B charges.
System.out.println(\"For Package B:\ The total charges for this month is $\"
+df.format(totalCharges));
//Calling the Method for Package C charges
packC=calPackC(time);
//If the package B is Less Than package A then display the difference amount
if(totalCharges>packC)
System.out.println(\"Amount of Money Package B customer would save, if he Purchased
Package C is:$\"+df.format(totalCharges-packC));
break;
case \'C\':
//Calling the Method for Package C charges
totalCharges=calPackC(time);
//Displaying the package C charges.
System.out.print(\"For Package C:\ The total charges for this month is $\" + totalCharges);
break;
default:
System.out.println(\"\ The package should be A or B or C.\");
}
}
/*This method will calculate the total Charges for Package C
* Params:Time
* Return:total charges of type double
*/
private static double calPackC(int time) {
double totalCharges = 69.99;
return totalCharges;
}
/*This method will calculate the total Charges for Package B
* Params:Time
* Return:total charges of type double
*/
private static double calPackB(int time) {
double totalCharges=0.0;
if(time <= 900)
totalCharges = 59.99;
else
totalCharges = 59.99 + (0.40 * (time - 900));
return totalCharges;
}
/*This method will c.
Importance of planning to the practice of managementSolutionIm.pdf
Importance of planning to the practice of management
Solution
Importance of planning to the practice of management.
Hardware refers to all of the physical parts of a computer system. F.pdf
Hardware refers to all of the physical parts of a computer system. For a typical desktop computer
this comprises the main system unit, a display screen, a keyboard, a mouse, a router/modem (for
connection to the Internet), and usually a printer. Speakers, a webcam and an external hard disk
for back-up storage are often also included. Many of these items are integrated into a single unit
on a laptop or other form of mobile computer
This option isn’t as easy or cheap, but we have to mention it anyway. If you can open up your
laptop, you can replace its internal drive with a larger drive — or insert a second internal drive,
in the off chance that your laptop has a second drive bay. Upgrading your laptop is often
possible, but it’s definitely more work than quickly plugging in an external storage device!
RAM
RAM -- or \"random access memory\" -- is the temporary storage space that a computer loads
software applications and user data into when it is running. All current RAM technologies are
\"volatile\", which means that everything held in RAM is lost when a computer\'s power is
removed. To a large extent, the more RAM a computer has the faster and more effectively it will
operate. Computers with little RAM have to keep moving data to and from their hard disks in
order to keep running. This tends to make them not just slow in general, but more annoyingly
intermittently sluggish.
The above all said, those hoping to speed up thier PC by installing more RAM need to note that
any PC with a 32 bit operating system can only access a maximum of 4GB of RAM. Add more,
and the PC simply will not recognise it. In practice this that means the vast majority of PCs in
use and being sold today cannot benefit from more than 4GB of RAM -- and this includes many
PCs running Windows 7 (which is very widely sold in its 32 rather than 64 bit format to
maximise compatabilty with older software and perhipherals).]
RAM is measured in megabytes (MB) and gigabytes (GB), as detailed on the storage page. Just
how much RAM a computer needs depends on the software it is required to run effectively. A
computer running Windows XP will usually function quite happily with 1GB of RAM, whereas
twice this amount (ie 2GB) is the realistic minimum for computers running Windows 7.
HARD DRIVE
Hard disk drives are the high capacity storage devices inside a computer from which software
and user data are loaded. Like most other modern storage devices, the capacity of the one or
more internal hard disks inside a computer is measured in gigabytes (GB), as detailed on the
storage page. Today 40GB is an absolute minimum hard drive size for a new computer running
Windows 7, with a far larger capacity being recommended in any situation where more than
office software is going to be installed. Where a computer will frequently be used to edit video, a
second internal hard disk dedicated only to video storage is highly recommended for stable
operation. Indeed, for professional video editing using a .
Events after the reporting period are those events favorable and unf.pdf
Events after the reporting period are those events favorable and unfavorable that occur between
the end of the reporting period and the date when the financial statement are approved by the
board of directors in case of a company and by the corresponding approving authority in case of
any other entity for issue two types of events can be identified
those that provide evidence of conditions that existed at the end of the reporting period (adjusting
events after the reporting period
Those that are indicative of conditions that arose after the reporting period (non adjusting events
after the reporting period )
Solution
Events after the reporting period are those events favorable and unfavorable that occur between
the end of the reporting period and the date when the financial statement are approved by the
board of directors in case of a company and by the corresponding approving authority in case of
any other entity for issue two types of events can be identified
those that provide evidence of conditions that existed at the end of the reporting period (adjusting
events after the reporting period
Those that are indicative of conditions that arose after the reporting period (non adjusting events
after the reporting period ).
Cost centersCost centers are Centers that incur costs for operati.pdf
Cost centers:
Cost centers are Centers that incur costs for operational activities of the organization. Cost center
does not produce direct profit for the organization, however its activities are related with
production of profits.
Example: HR departments costs, Research and development department costs.
Profit Center:
A profit center is units of the organization that is responsible for revenue and costs. These
centers are specifically allocated for performance evaluation.
Example: Administration department, after sales service department.
Investment centers:
Investment centers are those units, for which capital has been invested by the organization. And
the organization looks for the return on that investment.
In a decentralized management organizations managers are given the responsibility of a
particular center and the performance evaluation is done for each center. The bonus/ inventory
payment is made on the basis of the evaluation.
Solution
Cost centers:
Cost centers are Centers that incur costs for operational activities of the organization. Cost center
does not produce direct profit for the organization, however its activities are related with
production of profits.
Example: HR departments costs, Research and development department costs.
Profit Center:
A profit center is units of the organization that is responsible for revenue and costs. These
centers are specifically allocated for performance evaluation.
Example: Administration department, after sales service department.
Investment centers:
Investment centers are those units, for which capital has been invested by the organization. And
the organization looks for the return on that investment.
In a decentralized management organizations managers are given the responsibility of a
particular center and the performance evaluation is done for each center. The bonus/ inventory
payment is made on the basis of the evaluation..
Calcium Phosphate is a slightly soluble salt. Here isthe equation fo.pdf
Calcium Phosphate is a slightly soluble salt. Here isthe equation for dissolution into ions in
water.
Ca3(PO4)2(s) <-------> 3Ca+2(aq) + 2PO43-(aq)
The expression for Ksp is shown below. It is the productof the molar concentration of the ions
raised to the powers of thecoefficients of the ions in the balanced equation.
Ksp =[Ca+2]3[PO43-]2
Solution
Calcium Phosphate is a slightly soluble salt. Here isthe equation for dissolution into ions in
water.
Ca3(PO4)2(s) <-------> 3Ca+2(aq) + 2PO43-(aq)
The expression for Ksp is shown below. It is the productof the molar concentration of the ions
raised to the powers of thecoefficients of the ions in the balanced equation.
Ksp =[Ca+2]3[PO43-]2.
#! usrbinpython def Flatten(list) newList = [] for i in ra.pdf
#! /usr/bin/python
def Flatten(list):
newList = []
for i in range(len(list)):
if(type(list[i]) == type([])):
for j in range(len(list[i])):
newList.append(list[i][j])
else:
newList.append(list[i])
return newList
Solution
#! /usr/bin/python
def Flatten(list):
newList = []
for i in range(len(list)):
if(type(list[i]) == type([])):
for j in range(len(list[i])):
newList.append(list[i][j])
else:
newList.append(list[i])
return newList.
a) Two domains are OD1 and OD2 domains. The common function of OD1 a.pdf
a) Two domains are OD1 and OD2 domains. The common function of OD1 and OD2 is to
oligomerize the full-length proteins, whereas their specialized functions are to form a dimeric
DNA binding unit and a sex-specific transcriptional activation or repression unit.
b) Male and female OD2 domains contain common and sex-specific regions that are necessary
for oligomerization. OD1 is within a 66-amino-acid segment that also contains a DNA binding
domain. This segment is identical in the male and female proteins and is located near the N
terminus. The second oligomerization domain, OD2, is hundreds of amino acids downstream of
OD1 and includes both non-sex-specific and sex-specific sequences. This domain is a continuous
sequence of approximately 65 amino acids in length, 48 amino acids of N-proximal non-sex-
specific sequence followed by a C-proximal sex-specific sequence of either 15 amino acids in
OD2F or less than 30 amino acids in OD2M. Both the sex-specific and non-sexspecific regions
are necessary for interactions between the OD2 domains. Therefore, each full-length protein has
two domains that can independently cause oligomerization. One domain colocalizes with a DNA
binding function and is the same in both proteins, and the other is well separated from the first
and is sex specific.
c) The OD1 domain. A segment of DSX protein has previously been identified as a region
which, when joined to either substantial upstream or downstream DSX regions, can bind
specifically to a DNA regulatory site (10). Oligomerization energy provided by OD1 is important
for tight and specific binding to DNA (6).
The OD2 domains. Coiled-coil interactions are likely to be the basis for OD2-OD2
oligomerization. Secondary structure predictions from the primary sequence indicate that the
OD2 domains are mostly alpha helical. Three helices of 11, 6, and either 22 (for OD2F ) or 25
(for OD2M) amino acids are separated by short gaps of 4 and 9 amino acids (24). If the three
helices and the gaps of OD2F are represented together as a single helix in an alpha-helical axial
projection, a remarkably amphipathic distribution is observed, consistent with an extended
coiled-coil interaction (Fig. 6C). The male domain has an essentially identical amphipathic
distribution, although the male structure allows seven rather than six successive pairs of
hydrophobic interactions.
Protein the specialized function of OD1 oligomerization is to form the dimeric DNA binding
unit. This OD1-OD1 interaction may be weak. The specialized function of OD2 at the other end
of the protein is likely to be related to the sex specificity of DSX interaction with the
transcriptional machinery or to DNA binding cooperativity when the proteins bind naturally
occurring multiple regulatory sites in DNA. For example, it may form a dimeric sex-specific
regulatory structure. This regulatory structure in DSXM would repress transcription of the Yp1
gene, and in DSXF it would activate.
Solution
a) Two domains are OD1 an.
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- 3. new Example(image1[0],image1[1],image1[2]); } }); } } Solution Please let me know if you need more clarification. final String path = "/opt/"; path should be proper import java.awt.EventQueue; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.Timer; public class Example extends JPanel implements ActionListener { private static final int N = 4; private final List list = new ArrayList(); private final Timer timer = new Timer(1000, this); Example(String image1,String image2,String image3) { this.setLayout(new GridLayout(N, N)); BufferedImage bi = null; BufferedImage bi1 = null; BufferedImage bi2 = null; try {
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