11

Capture events with a WindowAdapter

Capture events on a window  |  Using anonymous classes

SimpleWindow3.java
  1. import java.awt.Frame;
  2. import java.awt.event.*;
  3.  
  4. public class SimpleWindow3 {
  5.  
  6.     static Frame appwin;
  7.  
  8.     public static void main(String[] args) {
  9.         appwin = new Frame("Application");
  10.         appwin.addWindowListener(new ApplicationWindowAdapter());
  11.         appwin.setBounds(100, 100, 300, 200);
  12.         appwin.setVisible(true);
  13.     }
  14. }
  15.  
  16. class ApplicationWindowAdapter extends WindowAdapter {
  17.     public void windowClosing(WindowEvent e) {
  18.         System.exit(0);
  19.     }
  20. }
SimpleWindow4.java
  1. import java.awt.Frame;
  2. import java.awt.event.*;
  3.  
  4. public class SimpleWindow4 {
  5.  
  6.     static Frame appwin;
  7.  
  8.     public static void main(String[] args) {
  9.         appwin = new Frame("Application");
  10.         appwin.addWindowListener((new SimpleWindow4()).new ApplicationWindowAdapter());
  11.         appwin.setBounds(100, 100, 300, 200);
  12.         appwin.setVisible(true);
  13.     }
  14.  
  15.     class ApplicationWindowAdapter extends WindowAdapter {
  16.         public void windowClosing(WindowEvent e) {
  17.             System.exit(0);
  18.         }
  19.     }
  20. }
SimpleWindow5.java
  1. import java.awt.Frame;
  2. import java.awt.event.*;
  3.  
  4. public class SimpleWindow5 {
  5.  
  6.     static Frame appwin;
  7.  
  8.     public static void main(String[] args) {
  9.         appwin = new Frame("Application");
  10.         appwin.addWindowListener(new ApplicationWindowAdapter());
  11.         appwin.setBounds(100, 100, 300, 200);
  12.         appwin.setVisible(true);
  13.     }
  14.  
  15.     static class ApplicationWindowAdapter extends WindowAdapter {
  16.         public void windowClosing(WindowEvent e) {
  17.             System.exit(0);
  18.         }
  19.     }
  20. }

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