1. import java.awt.event.WindowEvent;
2. import java.awt.event.WindowAdapter;
3. 
   
4. public void setup() {
5.   size(200, 200);
6.   if (frame != null)
7.     createWindowAdapter();
8. }
9. 
   
10. public void createWindowAdapter() {
11.   WindowAdapter winAdapt = new WindowAdapter() {
12.     /**
13.      * Invoked when a window is in the process of being closed.
14.      * The close operation can be overridden at this point.
15.      */
16.     public void windowClosing(WindowEvent e) {
17.       println("CLOSING");
18.     }
19.     /**
20.      * Invoked when a window has been closed.
21.      */
22.     public void windowClosed(WindowEvent e) {
23.       // This is not displayed because the window closed.
24.       println("CLOSED");
25.     }
26.     /**
27.      * Invoked when a window is iconified.
28.      */
29.     public void windowIconified(WindowEvent e) {
30.       System.out.println("ICONIFIED");
31.     }
32.     /**
33.      * Invoked when a window is de-iconified.
34.      */
35.     public void windowDeiconified(WindowEvent e) {
36.       println("DEICONIFIED");
37.     }
38.     /**
39.      * Invoked when a window is activated.
40.      */
41.     public void windowActivated(WindowEvent e) {
42.       println("ACTIVATED");
43.     }
44.     /**
45.      * Invoked when a window is de-activated.
46.      */
47.     public void windowDeactivated(WindowEvent e) {
48.       println("DE-ACTIVATED");
49.     }
50.   };
51.   frame.addWindowListener(winAdapt);
52. }

void exit() {
  println("Program is stopped !!!");
  super.exit();
}

  /**
   * Called by the browser or applet viewer to inform
   * this applet that it should stop its execution.
   * <p/>
   * Unfortunately, there are no guarantees from the Java spec
   * when or if stop() will be called (i.e. on browser quit,
   * or when moving between web pages), and it's not always called.
   */