swing13_5.java

java 简单的java源码

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class MyPanel extends JPanel
{
	public MyPanel()
   {
	   bt1 = new JButton("Button1");
	   bt2 = new JButton("Button2");
	   bt3 = new JButton("Button3");
	   add(bt1);
	   add(bt2);
	   add(bt3);
   }

	JButton bt1, bt2, bt3;
}

class MyFrame extends JFrame
{
	public MyFrame()
    {
	    setTitle("Swing示例程序13.5");
        setSize(300, 200);
        setLocation(100,100);

        addWindowListener(new WindowAdapter()
        {
		    public void windowClosing(WindowEvent e)
            {  System.exit(0);
            }
        });

        Container ctPane = getContentPane();
        ctPane.add(new MyPanel(), "South");
   }
}

public class Swing13_5
{
    public static void main(String[] args)
    {
	   JFrame frame = new MyFrame();
           frame.setVisible(true);
    }
}