eventtester.java

Java程序设计技巧与开发实例附书源代码。

import java.awt.*;
import java.awt.event.*;

public class EventTester
    extends Frame
    implements WindowListener
{
  /* ʵЖ*/
  public EventTester()
  {
    addWindowListener(this);
    show();
  }

  public void windowClosing(WindowEvent we)
  {
    System.exit(0);
  }

  public void windowOpened(WindowEvent we)
  {
    System.out.println("Window opened");
  }

  public void windowIconified(WindowEvent we)
  {
    System.out.println("Window iconified");
  }

  public void windowDeiconified(WindowEvent we)
  {
    System.out.println("Window deiconified");
  }

  public void windowClosed(WindowEvent we)
  {
    System.out.println("Window closed");
  }

  public void windowActivated(WindowEvent we)
  {
    System.out.println("Window activated");
  }

  public void windowDeactivated(WindowEvent we)
  {
    System.out.println("Window deactivated");
  }

  public static void main(String args[])
  {
    EventTester et = new EventTester();
  }
}