适配器事件（继承）

适配器形式做事件

组件事件没写

import java.awt.*;
import java.awt.event.*;
//3、适配器形式做事件

class MyEvent extends WindowAdapter
{
    public void windowClosing(WindowEvent e)
    {
        System.out.println("轻轻的我走了......来了");
        System.exit(1);
    }
    public void windowOpened(WindowEvent e)
    {
        System.out.println("窗口已经打开");   
    }
}
class MyKeyEvent extends KeyAdapter
{
    public void keyPressed(KeyEvent e)
    {
        System.out.println(e.getKeyChar()); 
        System.out.println(e.getKeyCode()); 
    }   
}
class MyActionEvent extends ActionEvent
{
    
}

public class Demo06 extends Frame
{
    Button btn1 = new Button("按钮");
    
    Demo06()
    {
        setSize(500,500);
        setLayout(new FlowLayout());
        add(btn1);
        
        this.addWindowListener(new MyEvent());
        this.addKeyListener(new MyKeyEvent());
        
        setVisible(true);
        show();
    }
    
    
    public static void main(String s[])
    {
        new Demo06();
    }
}