package GUI;
import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class studyFrame {
public static void main(String[] args) {
	Frame f=new Frame();
	f.setTitle("WINDOW----BY VON");
	f.setSize(500,400);
	f.setLocation(300,200);
	f.setVisible(true);
	f.setLayout(new FlowLayout());
	f.addWindowListener(new MyWin());
	Button b=new Button("I am a button");
	f.add(b);
}
//public void windowClosing(WindowEvent e){
//	System.exit(0);
//}
}
class MyWin extends WindowAdapter{
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}
}
原文:http://www.cnblogs.com/vonk/p/3849875.html