multipleeventtester.java

java语言与面向对象程序设计源程序

import java.awt.*;
import java.awt.event.*;
public class MultipleEventTester extends Frame 
             implements WindowListener,MouseListener,KeyListener
{  // 构造函数
   public MultipleEventTester()
   {  addWindowListener(this);
      addMouseListener(this);
      addKeyListener(this);
      setSize(200,200);
      show();
   }
   // 窗口事件处理方法
   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 " + we); }
   public void windowDeiconified(WindowEvent we)
   {  System.out.println("Window deiconified " + we); }
   public void windowClosed(WindowEvent we)
   {  System.out.println("Window closed " + we); }
   public void windowActivated(WindowEvent we)
   {  System.out.println("Window activated " + we); }
   public void windowDeactivated(WindowEvent we)
   {  System.out.println("Window deactivated " + we); }
   // 鼠标事件处理方法
   public void mousePressed(MouseEvent me)
   {  System.out.println("Mouse pressed " + me); }
   public void mouseReleased(MouseEvent me)
   {  System.out.println("Mouse released " + me); }
   public void mouseEntered(MouseEvent me)
   {  System.out.println("Mouse entered " + me); }
   public void mouseExited(MouseEvent me)
   {  System.out.println("Mouse exited " + me); }
   public void mouseClicked(MouseEvent me)
   {  System.out.println("Mouse clicked " + me); }
   // 键盘事件处理方法
   public void keyPressed(KeyEvent ke)
   {  System.out.println("key pressed " + ke); }
   public void keyReleased(KeyEvent ke)
   {  System.out.println("key released " + ke); }
   public void keyTyped(KeyEvent ke)
   {  System.out.println("key typed " + ke); }
   public static void main(String args[])
   {  MultipleEventTester p = new MultipleEventTester(); }
}