jframedemo1

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package com;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

public class JFrameDemo {

    JFrame frame;
    JButton button;
    Container container;
    JTextField tf;
    String names="dfdsf";
    public JFrameDemo(){

   frame = new JFrame("JFrame Demo");
   button = new JButton("Press me");
   container = frame.getContentPane();
   container.setLayout(new BorderLayout());
   frame.addWindowListener(new MyWindowListener());
   button.addActionListener(new MyActionListener());
   container.add(button,"North");
   tf = new JTextField();
   container.add(tf,"South");
   Image icon = Toolkit.getDefaultToolkit().getImage(this.getClass().getResource("image/a.jpg"));
   frame.setIconImage(icon);
   frame.setSize(200,200);
   frame.setVisible(true);
    }
    private class MyWindowListener extends WindowAdapter{

   @Override
   public void windowClosing(WindowEvent arg0) {

        System.exit(0);// 终止当前正在运行的java虚拟机
   }
    }
    private class MyActionListener implements ActionListener{

   @Override
   public void actionPerformed(ActionEvent event) {

          tf.setText(button.getText());
   }


    }
    /**
     * 功能:请描述该方法具体功能<br/>
     * 2013-3-7 下午2:26:11
     */
    public static void main(String[] args) {
   // TODO Auto-generated method stub

   new JFrameDemo();
    }

}