testframe.java

有大量的java的实例

import java.awt.*;
import java.awt.event.*;

public class TestFrame 
{
	public static void main(String args[])
	{
		new MyFrame();
	}
}
class MyFrame extends Frame implements ActionListener
{
	Button btn;
	MyFrame()
	{
		super("我的窗口");
		btn = new Button("关闭");
		setLayout(new FlowLayout());
		add(btn);
		btn.addActionListener(this);
		addWindowListener(new closeWin());
		setSize(300,200);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getActionCommand()=="关闭")
		{
			dispose();
			System.exit(0);
		}
	}
}
class closeWin extends WindowAdapter
{
	public void windowClosing(WindowEvent e)  //监听到事件，关闭事件源窗口
	{
		Frame frm = (Frame)(e.getSource());
		frm.dispose();
		System.exit(0);
	}
}