使用内部类和不使用内部类实现动作监听

package com.lzw;

 

import java.awt.*;

import java.awt.event.*;

 

import javax.swing.*;

 

public class SimpleEvent1 extends JFrame implements ActionListener{

 

private static final long serialVersionUID = 1L;

private JButton jb=new JButton("我是按钮，单击我");

private JButton jb1=new JButton("我是按钮1，单击我");

public SimpleEvent1(){

setLayout(null);

setSize(2000,1000);

setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

Container cp=getContentPane();

cp.add(jb);

cp.add(jb1);

jb.setBounds(10, 10,200,30);

jb.addActionListener(this);

jb1.setBounds(10, 60,200,30);

jb1.addActionListener(new jb1Action());

setVisible(true);

}

public void actionPerformed(ActionEvent arg0) {

jb.setText("我被单击了");

}

 

class jb1Action implements ActionListener{

public void actionPerformed(ActionEvent arg0) {

jb1.setText("我被单击了");

}

}

public static void main(String[] args) {

new SimpleEvent1();

}

}