windowclosing1.java

一个GUI编程的例子 一个GUI编程的例子

import javax.swing.*;
import java.awt.event.*;
public class WindowClosing1
{  
	public static void main(String[] args)	
	{  
		JFrame frame = new JFrame();	
		frame.addWindowListener(
			new WindowAdapter()		
			{
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
		}
		);
		frame.setSize(200,300); 
		frame.show();  
   }
}