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import java.awt.*;
import java.awt.event.*;
public class MyButton extends Button
{
private MyButton friend;
public void setFriend(MyButton friend)
{
this.friend=friend;
}
public MyButton(String name)
{
super(name);
enableEvents(AWTEvent.MOUSE_MOTION_EVENT_MASK);
}
protected void processMouseMotionEvent(MouseEvent e)
{
setVisible(false);
friend.setVisible(true);
}
public static void main(String[] args)
{
MyButton btn1=new MyButton("你来抓我呀!");
MyButton btn2=new MyButton("你来抓我呀!");
btn1.setFriend(btn2);
btn2.setFriend(btn1);
Frame f=new Frame("it315");
f.add(btn1,BorderLayout.NORTH);
f.add(btn2,BorderLayout.SOUTH);
f.setSize(300,300);
f.setVisible(true);
f.validate();//这句加上
btn1.setVisible(false);
}
}