why the image path showing wrong import java.awt.event.ActionEven.pdf
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why the image path showing wrong? import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import java.awt.Color; import java.awt.Font; import java.awt.event.*; import java.io.*; import java.awt.*; import java.awt.image.BufferedImage; import javax.swing.ImageIcon; import javax.imageio.ImageIO; import java.awt.Color; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; class Form1 implements ActionListener { String user, pass; JTextField userText, nameText; JPasswordField passText; JLabel userLabel, passLabel, imageLabel; private JButton login, button; ImageIcon icon; BufferedImage bufferedImage; Image image, iconImage; ImageIcon image1; JFrame frame1 = new JFrame(); JPanel panel; Form1(){ //------------------frame backgroubd-------------------- panel = new JPanel() { protected void paintComponent(Graphics g) { super.paintComponent(g); GradientPaint gp = new GradientPaint(0, 0, Color.blue, 0, getHeight(), Color.black); Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_RENDERING,RenderingHints.VALUE_RENDER _QUALITY); g2d.setPaint(gp); g2d.fillRect(0, 0, getWidth(), getHeight()); } }; panel.setLayout(null); frame1.setSize(450, 500); frame1.getContentPane().setBackground(new Color(214, 219, 223)); frame1.setLayout(null); panel.setBounds(0,0,450,500); frame1.add(panel); //------------------user-------------------- userLabel = new JLabel("Username"); userLabel.setForeground(Color.WHITE); userLabel.setFont(new Font("Calibri", Font.BOLD, 16)); userLabel.setBounds(50, 250, 100, 30); panel.add(userLabel); userText = new JTextField(); userText.setBounds(150, 250, 150, 30); panel.add(userText); //------------------passLabel-------------------- passLabel= new JLabel("Password"); passLabel.setForeground(Color.WHITE); passLabel.setFont(new Font("Calibri", Font.BOLD, 16)); passLabel.setBounds(50, 300, 100, 30); panel.add(passLabel); passText = new JPasswordField(); passText.setEchoChar('*'); passText.setBounds(150, 300, 150, 30); panel.add(passText); //------------------button-------------------- button = new JButton("Button"); button.setBounds(150, 200, 150, 30); button.setFont(new Font("Calibri", Font.BOLD, 16)); button.setBorder(BorderFactory.createRaisedBevelBorder()); button.setBackground(Color.white); panel.add(button); try { iconImage = ImageIO.read(new File("")); image1 = new ImageIcon(iconImage); imageLabel = new JLabel("", image1, JLabel.CENTER); imageLabel.setBounds(100, 20, 200, 150); panel.add(imageLabel); } catch (IOException e) { e.printStackTrace(); } //------------------login button-------------------- login = new JButton("Login"); login.setBounds(50, 370, 70, 30); login.setFont(new Font("Calibri", Font.PLAIN, 16)); login.setBorder(BorderFactory.createRaisedBevelBorder()); login.setBackground(Color.white); panel.add(login); login.addActionListener(this); //------------------Frame 1-------------------- frame1.setVisible.
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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..
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,.
i need a output screen shot for this code import java-awt-BorderLayou.docx
i need a output screen shot for this code
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
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.JSlider;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Program {
public static void main(String[] args) {
JFrame frame = new JFrame("Data Entry");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(600, 400);
frame.setLocationRelativeTo(null);
// create the timer panel
JPanel timerPanel = new JPanel();
timerPanel.setBackground(Color.WHITE);
JLabel timerLabel = new JLabel("Timer: 00:00", SwingConstants.CENTER);
timerLabel.setFont(new Font("Courier", Font.PLAIN, 20));
Timer timer = new Timer(1000, e -> {
int time = Integer.parseInt(timerLabel.getText().substring(7)) + 1;
timerLabel.setText("Timer: " + String.format("%02d", time / 60) + ":" + String.format("%02d", time % 60));
});
timer.start();
timerPanel.add(timerLabel);
// create the name panel
JPanel namePanel = new JPanel();
namePanel.setBackground(Color.WHITE);
JTextField nameField = new JTextField(20);
nameField.setFont(new Font("Courier", Font.PLAIN, 20));
nameField.addFocusListener(new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
nameField.setForeground(Color.BLUE);
}
@Override
public void focusLost(FocusEvent e) {}
});
JButton submitButton = new JButton("SUBMIT");
submitButton.setFont(new Font("Courier", Font.PLAIN, 20));
JTextArea textArea = new JTextArea(10, 40);
textArea.setFont(new Font("Courier", Font.PLAIN, 20));
textArea.setEditable(false);
textArea.setBorder(BorderFactory.createLineBorder(Color.BLACK));
submitButton.addActionListener(e -> {
String name = nameField.getText();
if (!name.equals("")) {
textArea.append(name + "\n");
nameField.setText("");
}
});
namePanel.add(nameField);
namePanel.add(submitButton);
// create the font size panel
JPanel fontSizePanel = new JPanel();
fontSizePanel.setBackground(Color.WHITE);
JSlider fontSizeSlider = new JSlider(JSlider.HORIZONTAL, 10, 40, 20);
fontSizeSlider.setMajorTickSpacing(10);
fontSizeSlider.setMinorTickSpacing(5);
fontSizeSlider.setPaintTicks(true);
fontSizeSlider.setPaintLabels(true);
fontSizeSlider.setFont(new Font("Courier", Font.PLAIN, 20));
fontSizeSlider.addChangeListener(e -> {
int fontSize = fontSizeSlider.getValue();
Font font = new Font("Courier", Font.PLAIN, fontSize);
textArea.setFont(font);
});
fontSizePanel.add(fontSizeSlider);
// create the animation panel
JPanel anima.
Swings
The document discusses various Swing components in Java including labels, buttons, text fields, checkboxes, radio buttons, scroll panes, tabbed panes, and combo boxes. It provides the classes, constructors, and methods used to implement each component as well as examples of code to create and add the components to an applet container.
Unit-2 swing and mvc architecture
This document provides an overview of Swing components in Java. It defines Swing as a set of classes used to create graphical user interfaces (GUIs) that is more powerful and flexible than the older Abstract Window Toolkit (AWT). The document discusses key Swing components like JLabel, JButton, JCheckBox, JRadioButton, JComboBox, and JTabbedPane. It provides their definitions, important methods, and examples of how to use each component to build Java GUIs.
JAVA (JFrames)Dispay the color and RGB value of the background whe.pdf
JAVA (JFrames)
Dispay the color and RGB value of the background wherever the mouse is on the screen.
Solution
//Move cursor for get the color value
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.GridBagLayout;
import java.awt.HeadlessException;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.PointerInfo;
import java.awt.Robot;
import java.io.IOException;
import static java.lang.Thread.MIN_PRIORITY;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import static java.lang.Thread.sleep;
import javax.swing.BorderFactory;
import javax.swing.border.Border;
import javax.swing.border.LineBorder;
public class ColorFinder {
/**
*
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
new ColorFinder();
}
public ColorFinder() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException |
UnsupportedLookAndFeelException ex) {
}
try {
JFrame frame = new JFrame(\"Color Finder\");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new MouseColorPane());
frame.setSize(600, 400);
frame.getContentPane().setBackground(Color.yellow);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
} catch (HeadlessException | AWTException exp) {
}
}
});
}
public class MouseColorPane extends JPanel implements MouseMonitorListener {
private final Robot robot;
private final JLabel label;
/**
*
* @throws AWTException
*/
public MouseColorPane() throws AWTException {
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
label = new JLabel();
label.setOpaque(true);
label.setBackground(Color.WHITE);
panel.setBounds(250,50 , 200, 50);
panel.add(label);
add(panel);
robot = new Robot();
PointerInfo pi = MouseInfo.getPointerInfo();
updateColor(pi.getLocation());
MouseMonitor monitor = new MouseMonitor();
monitor.setMouseMonitorListener(this);
monitor.start();
}
/**
*
* @param p
*/
protected void updateColor(Point p) {
Color pixelColor = robot.getPixelColor(p.x, p.y);
// label.setText(p.x + \"x\" + p.y + \" = \" + pixelColor);
label.setText(\"Red:\"+pixelColor.getRed()+\" // \" + \"Green\" + pixelColor.getGreen()+\" // \"
+ \"Blue:\" + pixelColor.getBlue());
setBackground(pixelColor);
}
/**
*
* @param p
*/
@Override
public void mousePositionChanged(final Point p) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
updateColor(p);
}
});
}
}
public interface MouseMonitorListener {
public void mousePositionChanged(Point p);
}
public static class MouseMonitor extends Thread {
private Point lastPoint;
private MouseMonitorListe.
mport javafx.application.Application;import javafx.scene.Node;im.pdf
mport javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
HBox root = new HBox();
// create alpha masked image
Image image = createImage(createAlphaMaskedRing(200));
// create original imageview
ImageView original = new ImageView( image);
// create imageview with color adjustment
ImageView modified = new ImageView( image);
// colorAdjust effect
ColorAdjust colorAdjust = new ColorAdjust();
// set saturation to 1, otherwise hue won\'t have an effect
colorAdjust.setSaturation(1);
// define target color
Color targetColor = Color.GREEN;
// calculate hue: map from [0,360] to [-1,1]; TODO: here\'s the problem
double hue = map( targetColor.getHue(), 0, 360, -1, 1);
colorAdjust.setHue(hue);
// apply color adjustment
modified.setEffect(colorAdjust);
root.getChildren().addAll( original, modified);
Scene scene = new Scene(root,1024,500, Color.yellow);
primaryStage.setScene(scene);
primaryStage.show();
}
/**
* Snapshot an image out of a node, consider transparency.
* @param node
* @return
*/
public static Image createImage( Node node) {
WritableImage wi;
SnapshotParameters parameters = new SnapshotParameters();
parameters.setFill(Color.TRANSPARENT);
int imageWidth = (int) node.getBoundsInLocal().getWidth();
int imageHeight = (int) node.getBoundsInLocal().getHeight();
wi = new WritableImage( imageWidth, imageHeight)
node.snapshot(parameters, wi);
return wi;
}
/**
* Create an alpha masked ring with gradient colors from Blueto Yellow/Transparent. Used e.
g. for particles.
*
* @param radius
* @return
*/
public static Node createAlphaMaskedRing( double radius) {
Circle ring = new Circle(radius);
RadialGradient gradient1 = new RadialGradient(0,
.1,
0,
0,
radius,
false,
CycleMethod.NO_CYCLE,
new Stop(0, Color.WHITE.deriveColor(1,1,1,1)),
new Stop(1, Color.YELLOW.deriveColor(1,1,1,0)));
ring.setFill(gradient1);
return ring;
}
public static double map(double value, double start, double stop, double targetStart, double
targetStop) {
return targetStart + (targetStop - targetStart) * ((value - start) / (stop - start));
}
public static void main(String[] args) {
launch(args);
}
}
Solution
mport javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.HBox;
import javafx.scene.paint.C.
Tuto jtatoo
Un tutoriel pour prendre en main l'api Jtatoo afin d'améliorer vos ihm swing n'hésitez pas laissez des commentaires
Recommended
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..
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,.
i need a output screen shot for this code import java-awt-BorderLayou.docx
i need a output screen shot for this code
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
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.JSlider;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Program {
public static void main(String[] args) {
JFrame frame = new JFrame("Data Entry");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(600, 400);
frame.setLocationRelativeTo(null);
// create the timer panel
JPanel timerPanel = new JPanel();
timerPanel.setBackground(Color.WHITE);
JLabel timerLabel = new JLabel("Timer: 00:00", SwingConstants.CENTER);
timerLabel.setFont(new Font("Courier", Font.PLAIN, 20));
Timer timer = new Timer(1000, e -> {
int time = Integer.parseInt(timerLabel.getText().substring(7)) + 1;
timerLabel.setText("Timer: " + String.format("%02d", time / 60) + ":" + String.format("%02d", time % 60));
});
timer.start();
timerPanel.add(timerLabel);
// create the name panel
JPanel namePanel = new JPanel();
namePanel.setBackground(Color.WHITE);
JTextField nameField = new JTextField(20);
nameField.setFont(new Font("Courier", Font.PLAIN, 20));
nameField.addFocusListener(new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
nameField.setForeground(Color.BLUE);
}
@Override
public void focusLost(FocusEvent e) {}
});
JButton submitButton = new JButton("SUBMIT");
submitButton.setFont(new Font("Courier", Font.PLAIN, 20));
JTextArea textArea = new JTextArea(10, 40);
textArea.setFont(new Font("Courier", Font.PLAIN, 20));
textArea.setEditable(false);
textArea.setBorder(BorderFactory.createLineBorder(Color.BLACK));
submitButton.addActionListener(e -> {
String name = nameField.getText();
if (!name.equals("")) {
textArea.append(name + "\n");
nameField.setText("");
}
});
namePanel.add(nameField);
namePanel.add(submitButton);
// create the font size panel
JPanel fontSizePanel = new JPanel();
fontSizePanel.setBackground(Color.WHITE);
JSlider fontSizeSlider = new JSlider(JSlider.HORIZONTAL, 10, 40, 20);
fontSizeSlider.setMajorTickSpacing(10);
fontSizeSlider.setMinorTickSpacing(5);
fontSizeSlider.setPaintTicks(true);
fontSizeSlider.setPaintLabels(true);
fontSizeSlider.setFont(new Font("Courier", Font.PLAIN, 20));
fontSizeSlider.addChangeListener(e -> {
int fontSize = fontSizeSlider.getValue();
Font font = new Font("Courier", Font.PLAIN, fontSize);
textArea.setFont(font);
});
fontSizePanel.add(fontSizeSlider);
// create the animation panel
JPanel anima.
Swings
The document discusses various Swing components in Java including labels, buttons, text fields, checkboxes, radio buttons, scroll panes, tabbed panes, and combo boxes. It provides the classes, constructors, and methods used to implement each component as well as examples of code to create and add the components to an applet container.
Unit-2 swing and mvc architecture
This document provides an overview of Swing components in Java. It defines Swing as a set of classes used to create graphical user interfaces (GUIs) that is more powerful and flexible than the older Abstract Window Toolkit (AWT). The document discusses key Swing components like JLabel, JButton, JCheckBox, JRadioButton, JComboBox, and JTabbedPane. It provides their definitions, important methods, and examples of how to use each component to build Java GUIs.
JAVA (JFrames)Dispay the color and RGB value of the background whe.pdf
JAVA (JFrames)
Dispay the color and RGB value of the background wherever the mouse is on the screen.
Solution
//Move cursor for get the color value
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.GridBagLayout;
import java.awt.HeadlessException;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.PointerInfo;
import java.awt.Robot;
import java.io.IOException;
import static java.lang.Thread.MIN_PRIORITY;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import static java.lang.Thread.sleep;
import javax.swing.BorderFactory;
import javax.swing.border.Border;
import javax.swing.border.LineBorder;
public class ColorFinder {
/**
*
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
new ColorFinder();
}
public ColorFinder() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException |
UnsupportedLookAndFeelException ex) {
}
try {
JFrame frame = new JFrame(\"Color Finder\");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new MouseColorPane());
frame.setSize(600, 400);
frame.getContentPane().setBackground(Color.yellow);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
} catch (HeadlessException | AWTException exp) {
}
}
});
}
public class MouseColorPane extends JPanel implements MouseMonitorListener {
private final Robot robot;
private final JLabel label;
/**
*
* @throws AWTException
*/
public MouseColorPane() throws AWTException {
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
label = new JLabel();
label.setOpaque(true);
label.setBackground(Color.WHITE);
panel.setBounds(250,50 , 200, 50);
panel.add(label);
add(panel);
robot = new Robot();
PointerInfo pi = MouseInfo.getPointerInfo();
updateColor(pi.getLocation());
MouseMonitor monitor = new MouseMonitor();
monitor.setMouseMonitorListener(this);
monitor.start();
}
/**
*
* @param p
*/
protected void updateColor(Point p) {
Color pixelColor = robot.getPixelColor(p.x, p.y);
// label.setText(p.x + \"x\" + p.y + \" = \" + pixelColor);
label.setText(\"Red:\"+pixelColor.getRed()+\" // \" + \"Green\" + pixelColor.getGreen()+\" // \"
+ \"Blue:\" + pixelColor.getBlue());
setBackground(pixelColor);
}
/**
*
* @param p
*/
@Override
public void mousePositionChanged(final Point p) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
updateColor(p);
}
});
}
}
public interface MouseMonitorListener {
public void mousePositionChanged(Point p);
}
public static class MouseMonitor extends Thread {
private Point lastPoint;
private MouseMonitorListe.
mport javafx.application.Application;import javafx.scene.Node;im.pdf
mport javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
HBox root = new HBox();
// create alpha masked image
Image image = createImage(createAlphaMaskedRing(200));
// create original imageview
ImageView original = new ImageView( image);
// create imageview with color adjustment
ImageView modified = new ImageView( image);
// colorAdjust effect
ColorAdjust colorAdjust = new ColorAdjust();
// set saturation to 1, otherwise hue won\'t have an effect
colorAdjust.setSaturation(1);
// define target color
Color targetColor = Color.GREEN;
// calculate hue: map from [0,360] to [-1,1]; TODO: here\'s the problem
double hue = map( targetColor.getHue(), 0, 360, -1, 1);
colorAdjust.setHue(hue);
// apply color adjustment
modified.setEffect(colorAdjust);
root.getChildren().addAll( original, modified);
Scene scene = new Scene(root,1024,500, Color.yellow);
primaryStage.setScene(scene);
primaryStage.show();
}
/**
* Snapshot an image out of a node, consider transparency.
* @param node
* @return
*/
public static Image createImage( Node node) {
WritableImage wi;
SnapshotParameters parameters = new SnapshotParameters();
parameters.setFill(Color.TRANSPARENT);
int imageWidth = (int) node.getBoundsInLocal().getWidth();
int imageHeight = (int) node.getBoundsInLocal().getHeight();
wi = new WritableImage( imageWidth, imageHeight)
node.snapshot(parameters, wi);
return wi;
}
/**
* Create an alpha masked ring with gradient colors from Blueto Yellow/Transparent. Used e.
g. for particles.
*
* @param radius
* @return
*/
public static Node createAlphaMaskedRing( double radius) {
Circle ring = new Circle(radius);
RadialGradient gradient1 = new RadialGradient(0,
.1,
0,
0,
radius,
false,
CycleMethod.NO_CYCLE,
new Stop(0, Color.WHITE.deriveColor(1,1,1,1)),
new Stop(1, Color.YELLOW.deriveColor(1,1,1,0)));
ring.setFill(gradient1);
return ring;
}
public static double map(double value, double start, double stop, double targetStart, double
targetStop) {
return targetStart + (targetStop - targetStart) * ((value - start) / (stop - start));
}
public static void main(String[] args) {
launch(args);
}
}
Solution
mport javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.HBox;
import javafx.scene.paint.C.
Tuto jtatoo
Un tutoriel pour prendre en main l'api Jtatoo afin d'améliorer vos ihm swing n'hésitez pas laissez des commentaires
DBTool
This Java code defines a DBTool class that provides a graphical user interface for interacting with a database. It uses Swing components like JComboBox and JLabels to display database metadata like users, schemas, tables and columns. When a user or table is selected, it queries the database and dynamically updates the other combo boxes with appropriate options based on the selection.
Scrollable Demo App
This Java program demonstrates scrollable functionality by creating a GUI with labels, text fields, and buttons to navigate a student database stored in an Oracle database. The program connects to the database, executes a query to retrieve student records, and populates the GUI fields as the "First", "Previous", "Next", and "Last" buttons are used to scroll through the result set. When a button is clicked, the action listener method retrieves the current student's data from the result set and displays it in the text fields.
Lecture9 oopj
This document introduces the Swing GUI library in Java. It discusses the javax.swing package which contains lightweight components like buttons, checkboxes, and more. The Swing components have better GUI capabilities than the older AWT components. The JApplet class is a subclass of Applet that uses Swing components. Any applet using Swing must extend JApplet. Components can be added to a JApplet using the add() method. The JComponent class is a subclass of container that has subclasses like JButton and JLabel. Examples are provided to demonstrate creating a basic Swing applet with buttons.
UNIT 5-JavaFX Event Handling, Controls and Components.pdf
The document discusses JavaFX, including its features, framework, application structure, and steps to create a basic JavaFX application. It describes JavaFX as a Java library used to develop desktop and rich internet applications that can run on multiple platforms. It provides an overview of JavaFX's features like rich APIs, FXML, scene builder, built-in controls, and CSS styling. It then explains the key components of a JavaFX application - Stage, Scene, and Scene Graph and the role of each. Finally, it outlines the 7 steps to create a basic JavaFX application with a button and event handling.
Please can any one help me with this. I am trying to upload upload.docx
Please can any one help me with this. I am trying to upload upload a passport size image in frame of the same size withing a bigger by clicking a button to browse for the picture. I have succeeded in getting a material that will browse for the picture but could not upload into the frame. Can you please help me with the code for uploading the image into the textarea or any frame of that size.
See the code below:
package picture;
import java.awt.*;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.swing.*;
class UploadForm extends JFrame implements ActionListener {
File image;
= new JTextField(10);
JTextField username = new JTextField(10);
JTextField imagePath = new JTextField(10);
JTextArea opt = new JTextArea(10,15);
JButton imageBrowse = new JButton("Browse Image");
JPasswordField password = new JPasswordField(10);
JButton uploadButton = new JButton("Upload");
public void actionPerformed(ActionEvent ae) {
if (ae.getSource().equals(imageBrowse)) {
String s;
JFileChooser jfc = new JFileChooser();
jfc.showDialog(jfc, "Choose an image file");
s = jfc.getSelectedFile().getAbsolutePath();
imagePath.setText(s);
} else
if (ae.getSource().equals(uploadButton)) {
try {
File f = new File(imagePath.getText());
String urlString = "ftp://" + username.getText() + ":" + password.getText() + "@" + server.getText() + "/" + f.getName();
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
BufferedOutputStream out = new BufferedOutputStream(connection.getOutputStream());
FileInputStream in = new FileInputStream(f);
byte[] buffer = new byte[1024];
int i = 0;
while ((i = in.read(buffer)) >= 0) {
out.write(buffer, 0, i);
}
out.close();
in.close();
}catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
public UploadForm() {
getContentPane().setBackground(Color.PINK);
setLayout(new FlowLayout());
setSize(500,300);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel ft = new JPanel();
ft.add(imagePath);
ft.add(imageBrowse);
add("West",ft);
JPanel lt = new JPanel();
lt.add(new Label("Server"));
lt.add(server);
add("West",lt);
JPanel mt = new JPanel();
mt.add(new Label("Username"));
mt.add(username);
add("West",mt);
JPanel nt = new JPanel();
nt.add(new Label("Password"));
nt.add(password);
add("West",nt);
JPanel bt = new JPanel();
bt.add(uploadButton);
add("Center",bt);
JPanel kt = new JPanel();
kt.add(opt);
add("Center",kt);
imageBrowse.addActionListener(this);
uploadButton.addActionListener(this);
setVisible(true);
}
public static void main(String[] args) {
JFrame f = new UploadForm();
}
}
.
11basic Swing
The document provides an overview of Swing components in Java, including new features, the model-view-controller architecture, and a tour of basic components like JApplet, JFrame, JLabel, JButton, and JPanel. It discusses the Swing approach to GUI programming compared to AWT, covers look and feel settings, and provides code examples for creating and customizing common Swing components.
Basic swing
This document provides an overview of Swing components in Java, including:
- New features of Swing like increased customization options and a pluggable look and feel.
- The basic approach of using JApplet or JFrame as starting points and putting components in the content pane.
- Summaries of common Swing components like JLabel, JButton, JPanel, JSlider, and new components like JColorChooser and JInternalFrame.
Whenever I run my application my Game appears with the pict.pdf
Whenever I run my application, my Game appears with the picture cut up and shuffled. Whenever
I click a button to move the tiles, I get this error:
Cannot invoke "javax.swing.JPanel.removeAll()" because "this.this$0.panel" is null
How do I fix this?
code starts here:
package slidePuzzle;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.util.ArrayList;
import java.util.Collections;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class Game extends JFrame {
// declare variables, arrays, and constants
private Buttons emptyButton;
private ArrayList<Buttons> buttons;
private ArrayList<Point> answer;
private final int TOTAL_BUTTONS = 12;
private final int TOTAL_WIDTH = 400;
private JPanel panel;
private Image img;
private BufferedImage src;
private BufferedImage mod;
private int width;
private int height;
// default constructor
public Game() {
// call initializer
initializeInterface();
}
private void initializeInterface() {
answer = new ArrayList<Point>();
buttons = new ArrayList<Buttons>();
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
panel.setLayout(new GridLayout(4, 3, 0, 0));
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 3; y++) {
answer.add(new Point(x, y));
}
}
try {
src = loadImg();
int height = modifyHeight(src.getWidth(), src.getHeight());
mod = resizeImg(src, TOTAL_WIDTH, height, BufferedImage.TYPE_INT_ARGB);
}
catch (IOException exception) {
JOptionPane.showMessageDialog(this, "Image is unable to be rendered.", "Error",
JOptionPane.ERROR_MESSAGE);
}
height = mod.getHeight(null);
width = mod.getWidth(null);
for (int x = 0; x < 4; x++) {
for (int y = 0; y <3; y++) {
img = createImage(new FilteredImageSource(mod.getSource(),
new CropImageFilter(x * width / 3, y * height / 4, (width / 3), height / 4)));
Buttons button = new Buttons(img);
button.putClientProperty("position", new Point(x, y));
if (x == 3 && y == 2) {
emptyButton = new Buttons();
emptyButton.setBorderPainted(false);
emptyButton.setContentAreaFilled(false);
emptyButton.setEmptyButton();
emptyButton.putClientProperty("position", new Point(x, y));
} else {
buttons.add(button);
}
}
}
Collections.shuffle(buttons);
buttons.add(emptyButton);
for (int z = 0; z < TOTAL_BUTTONS; z++) {
Buttons button = buttons.get(z);
panel.add(button);
button.setBorder(BorderFactory.createLineBorder(Color.black));
button.addActionListener(new Click());
}
JFrame frame = new JFrame("Tile Slider");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new Game());
frame.pack();
frame.setVisible(true);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
}
private BufferedImage loadImg() throws IOException {
BufferedImage bufferedImage = ImageIO.read(new File("src/pond.jpg"));
return bufferedImage;
}
private BufferedImage resizeImg(BufferedImage n.
Groovy-er desktop applications with Griffon
This document discusses Griffon, a framework for building desktop applications on the Java Virtual Machine (JVM) using Groovy. It provides examples of creating a simple GUI with a text field and button using Java Swing and the same application using Griffon. Griffon allows building desktop applications in a more concise way using Groovy while offering features like MVC architecture, testing, packaging, plugins and support for multiple UI toolkits.
Groovy-er Desktop Applications With Griffon
This document discusses Griffon, a framework for building desktop applications on the Java Virtual Machine (JVM) using Groovy. It provides examples of creating a simple GUI with a text field and button using Java Swing and the same application using Griffon. Griffon allows building desktop applications in a more concise way using Groovy while offering features like MVC architecture, testing, packaging, plugins and support for multiple UI toolkits.
Help with Java! Can someone check my code What I am trying to accompli.docx
Help with Java! Can someone check my code What I am trying to accomplish is the user inputs their workstation number and what the issue is. Then the code will execute a screen capture. This is what I have so far
import java.awt.*;
import java.awt.image.RenderedImage;
import java.io.File;
import java.util.Scanner;
import javax.imageio.ImageIO;
public class takeScreenCapture { public static void main() throws Exception { Scanner input = new Scanner(System.in);
System.out.print("Hello Enter Your Issue and Workstation Number: ");
String wsNumber = input.next();
Robot robot = new Robot();
// This should save the screen capture in the appropriate path//
String path = "C:\\Users\\Public\\Pictures\\Screenshots\\Workstation" + wsNumber + ".jpg"; /* Used to get ScreenSize and capture image */
Rectangle capture;
capture = new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
BufferedImage Image = (BufferedImage) robot.createScreenCapture(capture); ImageIO.write((RenderedImage) Image, "jpg", new File(path));
System.out.println("Screenshot saved");
}
}
.
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!
Create a program that authenticates username and password. The program should have a clear
and submit button. If you click sumbit it will go to a new JFrame. The new Jframe contain a
menu button( that does nothing) and a logout button that exits the program.
Solution
import java.sql.*;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.*;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Administrator
*/
public class Login extends javax.swing.JFrame {
/**
* Creates new form Login
*/
public Login() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jPasswordField1 = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setFont(new java.awt.Font(\"Tahoma\", 1, 18)); // NOI18N
jLabel1.setText(\"Hiding Data Cloud \");
jLabel2.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel2.setText(\"User Name : \");
jLabel3.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel3.setText(\"Password :\");
jButton1.setText(\"Login\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(96, 96, 96)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 134,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jPasswordField1))))))
.addContainerGap(112, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel1)
.addGap(53, 53, 53)
.addGroup(layout.creat.
package buttongui; import static com.sun.deploy.config.JREInf.pdf
package buttongui;
import static com.sun.deploy.config.JREInfo.clear;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class ButtonGUI extends Application implements EventHandler {
@Override
public void start(Stage primaryStage) {
btn.setText(\"Find\");
btn.setOnAction(this);
btn1.setText(\"Clear\");
btn1.setOnAction(this);
btn2.setText(\"Exit\");
btn2.setOnAction(this);
FlowPane flow = new FlowPane();
flow.getChildren().addAll(btn,btn1,btn2);
BorderPane border = new BorderPane();
border.setCenter(flow);
Scene scene = new Scene(border, 300,250);
primaryStage.setTitle(\"ButtonGUI\");
primaryStage.setScene(scene);
primaryStage.show();
}
@Override
public void handle(ActionEvent event) {
String tx =\"Hello world\";
System.out.println(tx);
if(btn2 == event.getSource()){
System.out.println(\"Exit Pressed\");
System.exit(0);
}
}
public static void main(String[] args)throws Exception {
launch(args);
}
}
Simple Exit & Clear Events) Add the Exit Event to your ButtonsGUI. Make it so that when the
user clicks on the Exit button, the application ends. Add the Clear Event to your ButtonsGUI.
Make it so that when the user clicks on the Clear button, the Text on all the Buttons is cleared.
please solve the clear button so that when the user clicks on the Clear button, the Text on all the
Buttons is cleared. thanks
Solution
Follow below steps to Add the Exit Event to your Buttons GUI:
1. Right Click on the Exit button and choose Events --> Action --> ActionPerformed.
2. The IDE will automatically add an ActionListener to the Exit button and generate a handler
method for handling the listener\'s actionPerformed method.
3. The IDE will open up the Source Code window and scroll to where you implement the action
you want the button to do when the button is pressed.
4. Add code for what we want the Exit Button to do. You will have to type System.exit(0);
5. Your final Exit button code should look like this:
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt)
{
System.exit(0);
}
Follow below steps to Add the Clear Event to your Buttons GUI:
In below example the text in two of our jTextFields will clear, it is overwriting the existing Text
with a blank.
1. Click on the Design tab at the top of your work area to go back to the Form Design
2. Right Click on the Clear button (jButton1). From the pop-up menu select Events --> Action --
> ActionPerformed.
3. Your final source code will be:
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)
{
jTextField1.setText(\"\");
jTextField2.setText(\"\");
}
Note: You can add as many jTextField depending upon number of buttons y.
Chap1 1 1
The document discusses Java GUI components from the Abstract Window Toolkit (AWT) and Swing toolkit. It defines AWT as a set of APIs used to create GUI objects like buttons and windows. It describes common AWT containers like Frame, Panel, Dialog and Applet. It then introduces Swing as an enhanced GUI toolkit and lists some common Swing components in packages like javax.swing. The document provides examples of creating and using common Swing components like JFrame, JLabel, JButton, JCheckBox.
Chap1 1.1
The document discusses Java GUI components from the Abstract Window Toolkit (AWT) and Swing toolkit. It defines AWT as a set of APIs used to create GUI objects like buttons and windows. It describes common AWT containers like Frame, Panel, Dialog and Applet. It then introduces Swing as an enhanced GUI toolkit and lists some common Swing components in packages like javax.swing. The document provides examples of creating and using common Swing components like JFrame, JLabel, JButton, JCheckBox.
Why am I getting an out of memory error and no window of my .pdf
Why am I getting an out of memory error and no window of my application is appearing?
code starts here:
package slidePuzzle;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.util.ArrayList;
import java.util.Collections;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class Game extends JFrame {
// declare variables, arrays, and constants
private Buttons emptyButton;
private ArrayList<Buttons> buttons;
private ArrayList<Point> answer;
private final int TOTAL_BUTTONS = 12;
private final int TOTAL_WIDTH = 400;
private JPanel panel;
private Image img;
private BufferedImage src;
private BufferedImage mod;
private int width;
private int height;
// default constructor
public Game() {
// call initializer
initializeInterface();
}
private void initializeInterface() {
ArrayList<Point> answer = new ArrayList<Point>();
ArrayList<Buttons> buttons = new ArrayList<Buttons>();
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
panel.setLayout(new GridLayout(4, 3, 0, 0));
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 3; y++) {
answer.add(new Point(x, y));
}
}
try {
src = loadImg();
int height = modifyHeight(src.getWidth(), src.getHeight());
mod = resizeImg(src, TOTAL_WIDTH, height, BufferedImage.TYPE_INT_ARGB);
}
catch (IOException exception) {
JOptionPane.showMessageDialog(this, "Image is unable to be rendered.", "Error",
JOptionPane.ERROR_MESSAGE);
}
height = mod.getHeight(null);
width = mod.getWidth(null);
for (int x = 0; x < 4; x++) {
for (int y = 0; y <3; y++) {
img = createImage(new FilteredImageSource(mod.getSource(),
new CropImageFilter(x * width / 3, y * height / 4, (width / 3), height / 4)));
Buttons button = new Buttons(img);
button.putClientProperty("position", new Point(x, y));
if (x == 3 && y == 2) {
emptyButton = new Buttons();
emptyButton.setBorderPainted(false);
emptyButton.setContentAreaFilled(false);
emptyButton.setEmptyButton();
emptyButton.putClientProperty("position", new Point(x, y));
} else {
buttons.add(button);
}
}
}
Collections.shuffle(buttons);
buttons.add(emptyButton);
for (int z = 0; z < TOTAL_BUTTONS; z++) {
Buttons button = buttons.get(z);
panel.add(button);
button.setBorder(BorderFactory.createLineBorder(Color.black));
button.addActionListener(new Click());
}
JFrame frame = new JFrame("Tile Slider");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new Game());
frame.pack();
frame.setVisible(true);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
}
private BufferedImage loadImg() throws IOException {
BufferedImage bufferedImage = ImageIO.read(new File("src/pond.jpg"));
return bufferedImage;
}
private BufferedImage resizeImg(BufferedImage natural, int width, int height, int type) {
BufferedImage adjustedImg = new BufferedImage(width, height, type);
Graphics2D graphi.
Advance Java Programming (CM5I) 2.Swing
The document provides an introduction and overview of Swing components in Java. It discusses key Swing classes like JApplet, JLabel, JTextField, JButton, JCheckBox, JRadioButton, JComboBox, and JTabbedPane. It explains their functionality, important methods, and gives examples of how to use each component in an applet. The document also compares Swing to the older AWT toolkit and outlines the MVC architecture used in Swing.
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.
Please let me know if you need more clarification.final String pat.pdf
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)).
Swing
The document provides information about Swing components in Java. It discusses JApplet, JFrame, JPanel, JWindow, JLabel, JTextField, JButton, JCheckBox, JRadioButton, JComboBox, JTabbedPane, and JScrollPane. Key differences between Swing and AWT components are that Swing components are lightweight and platform independent while AWT components are heavyweight and platform dependent. The document also provides code examples to demonstrate the use of several Swing components.
Within MySQL Workbench, create a new table. This table will be used .pdf
Within MySQL Workbench, create a new table. This table will be used to manage the data
behind a simple feedback sharing system. Within this table store the following data items:
A primary key,
The first name of the contributor,
The last name of the contributor,
The username of the contributor
The email address of the contributor,
The first name of the intended recipient, The last name of the intended recipient,
The username of the intended recipient, The email address of the intended recipient,
The date and time at which the feedback was submitted to the table (which should be set
automatically to the current time and date if not explicitly specified), and
The text of the feedback message itself (which may be several lines of text).
Add at least ten (10) different rows to the table, representing various exchanges of feedback
amongst four (4) unique users.
Display all of the contents of your table,
Display the recipient information, submission date/time, and the first forty (40) characters of the
feedback text of all the rows representing feedback submitted by a single contributor (pick one
who has made multiple submissions),
Display the contributor information, submission date/time, and complete feedback text of all the
rows representing feedback submitted to a single recipient (pick one for whom there are multiple
submissions),
Display the contributor information, recipient information, submission date/time, and complete
feedback text of all the rows representing feedback submitted by a single contributor to a single
recipient (choose a contributor and recipient for whom there are multiple submissions), and
Display the contributor information, recipient information, and submission date/time (but not the
feedback text) of all the rows representing feedback submitted within the past forty-eight (48)
hours.
Implement at least five (5) different updates targeting at least three (3) different rows.
Add a new row, display the table in its entirety to show the new row, delete that row, and show
the table in its entirety again to demonstrate that the row has been removed..
Within the unethical leadership presentation, I talked a lot about t.pdf
Within the unethical leadership presentation, I talked a lot about the dark side of leadership and
what causes it. One concept that contributes to the dark side is the romance of leadership (the
concept that people love leadership and have a need to put their future in a leader's "capable"
hands). What can we do about this romance of leadership and people's over reliance on
leadership? or should we?.
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DBTool
This Java code defines a DBTool class that provides a graphical user interface for interacting with a database. It uses Swing components like JComboBox and JLabels to display database metadata like users, schemas, tables and columns. When a user or table is selected, it queries the database and dynamically updates the other combo boxes with appropriate options based on the selection.
Scrollable Demo App
This Java program demonstrates scrollable functionality by creating a GUI with labels, text fields, and buttons to navigate a student database stored in an Oracle database. The program connects to the database, executes a query to retrieve student records, and populates the GUI fields as the "First", "Previous", "Next", and "Last" buttons are used to scroll through the result set. When a button is clicked, the action listener method retrieves the current student's data from the result set and displays it in the text fields.
Lecture9 oopj
This document introduces the Swing GUI library in Java. It discusses the javax.swing package which contains lightweight components like buttons, checkboxes, and more. The Swing components have better GUI capabilities than the older AWT components. The JApplet class is a subclass of Applet that uses Swing components. Any applet using Swing must extend JApplet. Components can be added to a JApplet using the add() method. The JComponent class is a subclass of container that has subclasses like JButton and JLabel. Examples are provided to demonstrate creating a basic Swing applet with buttons.
UNIT 5-JavaFX Event Handling, Controls and Components.pdf
The document discusses JavaFX, including its features, framework, application structure, and steps to create a basic JavaFX application. It describes JavaFX as a Java library used to develop desktop and rich internet applications that can run on multiple platforms. It provides an overview of JavaFX's features like rich APIs, FXML, scene builder, built-in controls, and CSS styling. It then explains the key components of a JavaFX application - Stage, Scene, and Scene Graph and the role of each. Finally, it outlines the 7 steps to create a basic JavaFX application with a button and event handling.
Please can any one help me with this. I am trying to upload upload.docx
Please can any one help me with this. I am trying to upload upload a passport size image in frame of the same size withing a bigger by clicking a button to browse for the picture. I have succeeded in getting a material that will browse for the picture but could not upload into the frame. Can you please help me with the code for uploading the image into the textarea or any frame of that size.
See the code below:
package picture;
import java.awt.*;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.swing.*;
class UploadForm extends JFrame implements ActionListener {
File image;
= new JTextField(10);
JTextField username = new JTextField(10);
JTextField imagePath = new JTextField(10);
JTextArea opt = new JTextArea(10,15);
JButton imageBrowse = new JButton("Browse Image");
JPasswordField password = new JPasswordField(10);
JButton uploadButton = new JButton("Upload");
public void actionPerformed(ActionEvent ae) {
if (ae.getSource().equals(imageBrowse)) {
String s;
JFileChooser jfc = new JFileChooser();
jfc.showDialog(jfc, "Choose an image file");
s = jfc.getSelectedFile().getAbsolutePath();
imagePath.setText(s);
} else
if (ae.getSource().equals(uploadButton)) {
try {
File f = new File(imagePath.getText());
String urlString = "ftp://" + username.getText() + ":" + password.getText() + "@" + server.getText() + "/" + f.getName();
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
BufferedOutputStream out = new BufferedOutputStream(connection.getOutputStream());
FileInputStream in = new FileInputStream(f);
byte[] buffer = new byte[1024];
int i = 0;
while ((i = in.read(buffer)) >= 0) {
out.write(buffer, 0, i);
}
out.close();
in.close();
}catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
public UploadForm() {
getContentPane().setBackground(Color.PINK);
setLayout(new FlowLayout());
setSize(500,300);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel ft = new JPanel();
ft.add(imagePath);
ft.add(imageBrowse);
add("West",ft);
JPanel lt = new JPanel();
lt.add(new Label("Server"));
lt.add(server);
add("West",lt);
JPanel mt = new JPanel();
mt.add(new Label("Username"));
mt.add(username);
add("West",mt);
JPanel nt = new JPanel();
nt.add(new Label("Password"));
nt.add(password);
add("West",nt);
JPanel bt = new JPanel();
bt.add(uploadButton);
add("Center",bt);
JPanel kt = new JPanel();
kt.add(opt);
add("Center",kt);
imageBrowse.addActionListener(this);
uploadButton.addActionListener(this);
setVisible(true);
}
public static void main(String[] args) {
JFrame f = new UploadForm();
}
}
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Whenever I run my application my Game appears with the pict.pdf
Whenever I run my application, my Game appears with the picture cut up and shuffled. Whenever
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Cannot invoke "javax.swing.JPanel.removeAll()" because "this.this$0.panel" is null
How do I fix this?
code starts here:
package slidePuzzle;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.util.ArrayList;
import java.util.Collections;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class Game extends JFrame {
// declare variables, arrays, and constants
private Buttons emptyButton;
private ArrayList<Buttons> buttons;
private ArrayList<Point> answer;
private final int TOTAL_BUTTONS = 12;
private final int TOTAL_WIDTH = 400;
private JPanel panel;
private Image img;
private BufferedImage src;
private BufferedImage mod;
private int width;
private int height;
// default constructor
public Game() {
// call initializer
initializeInterface();
}
private void initializeInterface() {
answer = new ArrayList<Point>();
buttons = new ArrayList<Buttons>();
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
panel.setLayout(new GridLayout(4, 3, 0, 0));
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 3; y++) {
answer.add(new Point(x, y));
}
}
try {
src = loadImg();
int height = modifyHeight(src.getWidth(), src.getHeight());
mod = resizeImg(src, TOTAL_WIDTH, height, BufferedImage.TYPE_INT_ARGB);
}
catch (IOException exception) {
JOptionPane.showMessageDialog(this, "Image is unable to be rendered.", "Error",
JOptionPane.ERROR_MESSAGE);
}
height = mod.getHeight(null);
width = mod.getWidth(null);
for (int x = 0; x < 4; x++) {
for (int y = 0; y <3; y++) {
img = createImage(new FilteredImageSource(mod.getSource(),
new CropImageFilter(x * width / 3, y * height / 4, (width / 3), height / 4)));
Buttons button = new Buttons(img);
button.putClientProperty("position", new Point(x, y));
if (x == 3 && y == 2) {
emptyButton = new Buttons();
emptyButton.setBorderPainted(false);
emptyButton.setContentAreaFilled(false);
emptyButton.setEmptyButton();
emptyButton.putClientProperty("position", new Point(x, y));
} else {
buttons.add(button);
}
}
}
Collections.shuffle(buttons);
buttons.add(emptyButton);
for (int z = 0; z < TOTAL_BUTTONS; z++) {
Buttons button = buttons.get(z);
panel.add(button);
button.setBorder(BorderFactory.createLineBorder(Color.black));
button.addActionListener(new Click());
}
JFrame frame = new JFrame("Tile Slider");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new Game());
frame.pack();
frame.setVisible(true);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
}
private BufferedImage loadImg() throws IOException {
BufferedImage bufferedImage = ImageIO.read(new File("src/pond.jpg"));
return bufferedImage;
}
private BufferedImage resizeImg(BufferedImage n.
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This document discusses Griffon, a framework for building desktop applications on the Java Virtual Machine (JVM) using Groovy. It provides examples of creating a simple GUI with a text field and button using Java Swing and the same application using Griffon. Griffon allows building desktop applications in a more concise way using Groovy while offering features like MVC architecture, testing, packaging, plugins and support for multiple UI toolkits.
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This document discusses Griffon, a framework for building desktop applications on the Java Virtual Machine (JVM) using Groovy. It provides examples of creating a simple GUI with a text field and button using Java Swing and the same application using Griffon. Griffon allows building desktop applications in a more concise way using Groovy while offering features like MVC architecture, testing, packaging, plugins and support for multiple UI toolkits.
Help with Java! Can someone check my code What I am trying to accompli.docx
Help with Java! Can someone check my code What I am trying to accomplish is the user inputs their workstation number and what the issue is. Then the code will execute a screen capture. This is what I have so far
import java.awt.*;
import java.awt.image.RenderedImage;
import java.io.File;
import java.util.Scanner;
import javax.imageio.ImageIO;
public class takeScreenCapture { public static void main() throws Exception { Scanner input = new Scanner(System.in);
System.out.print("Hello Enter Your Issue and Workstation Number: ");
String wsNumber = input.next();
Robot robot = new Robot();
// This should save the screen capture in the appropriate path//
String path = "C:\\Users\\Public\\Pictures\\Screenshots\\Workstation" + wsNumber + ".jpg"; /* Used to get ScreenSize and capture image */
Rectangle capture;
capture = new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
BufferedImage Image = (BufferedImage) robot.createScreenCapture(capture); ImageIO.write((RenderedImage) Image, "jpg", new File(path));
System.out.println("Screenshot saved");
}
}
.
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!
Create a program that authenticates username and password. The program should have a clear
and submit button. If you click sumbit it will go to a new JFrame. The new Jframe contain a
menu button( that does nothing) and a logout button that exits the program.
Solution
import java.sql.*;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.*;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Administrator
*/
public class Login extends javax.swing.JFrame {
/**
* Creates new form Login
*/
public Login() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(\"unchecked\")
//
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jPasswordField1 = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setFont(new java.awt.Font(\"Tahoma\", 1, 18)); // NOI18N
jLabel1.setText(\"Hiding Data Cloud \");
jLabel2.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel2.setText(\"User Name : \");
jLabel3.setFont(new java.awt.Font(\"Tahoma\", 1, 12)); // NOI18N
jLabel3.setText(\"Password :\");
jButton1.setText(\"Login\");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(96, 96, 96)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 134,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jPasswordField1))))))
.addContainerGap(112, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel1)
.addGap(53, 53, 53)
.addGroup(layout.creat.
package buttongui; import static com.sun.deploy.config.JREInf.pdf
package buttongui;
import static com.sun.deploy.config.JREInfo.clear;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class ButtonGUI extends Application implements EventHandler {
@Override
public void start(Stage primaryStage) {
btn.setText(\"Find\");
btn.setOnAction(this);
btn1.setText(\"Clear\");
btn1.setOnAction(this);
btn2.setText(\"Exit\");
btn2.setOnAction(this);
FlowPane flow = new FlowPane();
flow.getChildren().addAll(btn,btn1,btn2);
BorderPane border = new BorderPane();
border.setCenter(flow);
Scene scene = new Scene(border, 300,250);
primaryStage.setTitle(\"ButtonGUI\");
primaryStage.setScene(scene);
primaryStage.show();
}
@Override
public void handle(ActionEvent event) {
String tx =\"Hello world\";
System.out.println(tx);
if(btn2 == event.getSource()){
System.out.println(\"Exit Pressed\");
System.exit(0);
}
}
public static void main(String[] args)throws Exception {
launch(args);
}
}
Simple Exit & Clear Events) Add the Exit Event to your ButtonsGUI. Make it so that when the
user clicks on the Exit button, the application ends. Add the Clear Event to your ButtonsGUI.
Make it so that when the user clicks on the Clear button, the Text on all the Buttons is cleared.
please solve the clear button so that when the user clicks on the Clear button, the Text on all the
Buttons is cleared. thanks
Solution
Follow below steps to Add the Exit Event to your Buttons GUI:
1. Right Click on the Exit button and choose Events --> Action --> ActionPerformed.
2. The IDE will automatically add an ActionListener to the Exit button and generate a handler
method for handling the listener\'s actionPerformed method.
3. The IDE will open up the Source Code window and scroll to where you implement the action
you want the button to do when the button is pressed.
4. Add code for what we want the Exit Button to do. You will have to type System.exit(0);
5. Your final Exit button code should look like this:
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt)
{
System.exit(0);
}
Follow below steps to Add the Clear Event to your Buttons GUI:
In below example the text in two of our jTextFields will clear, it is overwriting the existing Text
with a blank.
1. Click on the Design tab at the top of your work area to go back to the Form Design
2. Right Click on the Clear button (jButton1). From the pop-up menu select Events --> Action --
> ActionPerformed.
3. Your final source code will be:
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)
{
jTextField1.setText(\"\");
jTextField2.setText(\"\");
}
Note: You can add as many jTextField depending upon number of buttons y.
Chap1 1 1
The document discusses Java GUI components from the Abstract Window Toolkit (AWT) and Swing toolkit. It defines AWT as a set of APIs used to create GUI objects like buttons and windows. It describes common AWT containers like Frame, Panel, Dialog and Applet. It then introduces Swing as an enhanced GUI toolkit and lists some common Swing components in packages like javax.swing. The document provides examples of creating and using common Swing components like JFrame, JLabel, JButton, JCheckBox.
Chap1 1.1
The document discusses Java GUI components from the Abstract Window Toolkit (AWT) and Swing toolkit. It defines AWT as a set of APIs used to create GUI objects like buttons and windows. It describes common AWT containers like Frame, Panel, Dialog and Applet. It then introduces Swing as an enhanced GUI toolkit and lists some common Swing components in packages like javax.swing. The document provides examples of creating and using common Swing components like JFrame, JLabel, JButton, JCheckBox.
Why am I getting an out of memory error and no window of my .pdf
Why am I getting an out of memory error and no window of my application is appearing?
code starts here:
package slidePuzzle;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.util.ArrayList;
import java.util.Collections;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class Game extends JFrame {
// declare variables, arrays, and constants
private Buttons emptyButton;
private ArrayList<Buttons> buttons;
private ArrayList<Point> answer;
private final int TOTAL_BUTTONS = 12;
private final int TOTAL_WIDTH = 400;
private JPanel panel;
private Image img;
private BufferedImage src;
private BufferedImage mod;
private int width;
private int height;
// default constructor
public Game() {
// call initializer
initializeInterface();
}
private void initializeInterface() {
ArrayList<Point> answer = new ArrayList<Point>();
ArrayList<Buttons> buttons = new ArrayList<Buttons>();
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
panel.setLayout(new GridLayout(4, 3, 0, 0));
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 3; y++) {
answer.add(new Point(x, y));
}
}
try {
src = loadImg();
int height = modifyHeight(src.getWidth(), src.getHeight());
mod = resizeImg(src, TOTAL_WIDTH, height, BufferedImage.TYPE_INT_ARGB);
}
catch (IOException exception) {
JOptionPane.showMessageDialog(this, "Image is unable to be rendered.", "Error",
JOptionPane.ERROR_MESSAGE);
}
height = mod.getHeight(null);
width = mod.getWidth(null);
for (int x = 0; x < 4; x++) {
for (int y = 0; y <3; y++) {
img = createImage(new FilteredImageSource(mod.getSource(),
new CropImageFilter(x * width / 3, y * height / 4, (width / 3), height / 4)));
Buttons button = new Buttons(img);
button.putClientProperty("position", new Point(x, y));
if (x == 3 && y == 2) {
emptyButton = new Buttons();
emptyButton.setBorderPainted(false);
emptyButton.setContentAreaFilled(false);
emptyButton.setEmptyButton();
emptyButton.putClientProperty("position", new Point(x, y));
} else {
buttons.add(button);
}
}
}
Collections.shuffle(buttons);
buttons.add(emptyButton);
for (int z = 0; z < TOTAL_BUTTONS; z++) {
Buttons button = buttons.get(z);
panel.add(button);
button.setBorder(BorderFactory.createLineBorder(Color.black));
button.addActionListener(new Click());
}
JFrame frame = new JFrame("Tile Slider");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new Game());
frame.pack();
frame.setVisible(true);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
}
private BufferedImage loadImg() throws IOException {
BufferedImage bufferedImage = ImageIO.read(new File("src/pond.jpg"));
return bufferedImage;
}
private BufferedImage resizeImg(BufferedImage natural, int width, int height, int type) {
BufferedImage adjustedImg = new BufferedImage(width, height, type);
Graphics2D graphi.
Advance Java Programming (CM5I) 2.Swing
The document provides an introduction and overview of Swing components in Java. It discusses key Swing classes like JApplet, JLabel, JTextField, JButton, JCheckBox, JRadioButton, JComboBox, and JTabbedPane. It explains their functionality, important methods, and gives examples of how to use each component in an applet. The document also compares Swing to the older AWT toolkit and outlines the MVC architecture used in Swing.
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.
Please let me know if you need more clarification.final String pat.pdf
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)).
Swing
The document provides information about Swing components in Java. It discusses JApplet, JFrame, JPanel, JWindow, JLabel, JTextField, JButton, JCheckBox, JRadioButton, JComboBox, JTabbedPane, and JScrollPane. Key differences between Swing and AWT components are that Swing components are lightweight and platform independent while AWT components are heavyweight and platform dependent. The document also provides code examples to demonstrate the use of several Swing components.
Similar to why the image path showing wrong import java.awt.event.ActionEven.pdf (20)
UNIT 5-JavaFX Event Handling, Controls and Components.pdf
UNIT 5-JavaFX Event Handling, Controls and Components.pdf
Please can any one help me with this. I am trying to upload upload.docx
Please can any one help me with this. I am trying to upload upload.docx
Whenever I run my application my Game appears with the pict.pdf
Whenever I run my application my Game appears with the pict.pdf
Help with Java! Can someone check my code What I am trying to accompli.docx
Help with Java! Can someone check my code What I am trying to accompli.docx
Java!!!!!Create a program that authenticates username and password.pdf
Java!!!!!Create a program that authenticates username and password.pdf
package buttongui; import static com.sun.deploy.config.JREInf.pdf
package buttongui; import static com.sun.deploy.config.JREInf.pdf
Why am I getting an out of memory error and no window of my .pdf
Why am I getting an out of memory error and no window of my .pdf
I am getting a syntax error. I cant seem to find whats causing t.pdf
I am getting a syntax error. I cant seem to find whats causing t.pdf
Please let me know if you need more clarification.final String pat.pdf
Please let me know if you need more clarification.final String pat.pdf
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Within MySQL Workbench, create a new table. This table will be used .pdf
Within MySQL Workbench, create a new table. This table will be used to manage the data
behind a simple feedback sharing system. Within this table store the following data items:
A primary key,
The first name of the contributor,
The last name of the contributor,
The username of the contributor
The email address of the contributor,
The first name of the intended recipient, The last name of the intended recipient,
The username of the intended recipient, The email address of the intended recipient,
The date and time at which the feedback was submitted to the table (which should be set
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The text of the feedback message itself (which may be several lines of text).
Add at least ten (10) different rows to the table, representing various exchanges of feedback
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Display all of the contents of your table,
Display the recipient information, submission date/time, and the first forty (40) characters of the
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Display the contributor information, submission date/time, and complete feedback text of all the
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Within the unethical leadership presentation, I talked a lot about t.pdf
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Write a C# program that demonstrate your multi-level inheritance understanding. Your program
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Working with Apache Web ServerTime Required 35 minutesObjective.pdf
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Apache in Fedora Linux is different from Apache in Ubuntu Linux. In this activity, you explore
basic Apache Web Server commands and learn how to find and modify some configuration
options (called Apache directives). The goal of this activity is to configure a Web server with a
directory that requires authentication.
1.
Boot your computer into Linux with the Kali Linux DVD.
2.
Open a Terminal shell. At the command prompt, type apache2ctl start and press Enter. You can
safely ignore the Could not reliably determine the servers fully qualified domain name error.
3.
Start the Iceweasel Web browser. In the address bar, type localhost and press Enter. The Web
site displays instructions on how to manipulate the default apache configuration. Read over this
page.
4.
Open a Terminal shell. At the command prompt, type apache2ctl stop and press Enter.
5.
Now, well view the default apache configuration files. In the Terminal shell, type cd/etc/apache2
and press Enter to change directories. Then type grep Include apache2.conf and press Enter to
see a listing of files and directories where the Apache server searches for additional directives at
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directory is where Apache checks for Web site configuration files. You can add a Web site by
adding its configuration file in this directory without having to change the main configuration
file apache2.conf.
Figure 10-5
Viewing files and directories with an Include statement
Source: GNU GPL
6.
Type cd /etc/apache2/sites-enabled && ls and press Enter.
7.
Open the file in the gvim editor by typing gvim 000-default.conf and pressing Enter.
8.
Enter the following lines at the end of the file, below the line :
9.
Save your changes and exit the gvim editor by pressing Esc, typing :wq, and pressing Enter.
10.
In the Terminal shell, create a new directory by typing mkdir /var/www/html/restricted and
pressing Enter.
11.
Type cd /var/www/html/restricted to change to the directory you created in Step 12 and press
Enter. Then type touch secret.txt and press Enter to create a file in this directory.
12.
Next, you create the .htaccess file in the same directory. This file is the local directory
configuration file specified in apache2.conf by the AccessFileName directive. If .htaccess exists
in any Web site directory, Apache checks it first. In this .htaccess file, you point Apache to the
location of AuthUserFile (essentially, a password file). Type gvim.htaccess and press Enter.
Type the following for the files contents:
13.
Exit and save.
William Short is chief executive officer (CEO) of Benton Memorial Ho.pdf
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None of the other answers fit
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pre-zygotic isolation
temporal isolation
zygote mortality
mechanical isolationa.
None of the other answers fitb.
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