java匿名类关闭窗口

import java.awt.*;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;





public class Window1 {



    /**

     * @param args

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        Frame f1=new Frame();

        f1.setSize(100,100);

        Button b1=new Button();

        f1.add(b1);

        f1.addWindowListener(new WindowAdapter(){

            public void windowClosing(WindowEvent e){

                System.exit(0);

            }

        });

        f1.setVisible(true);

    }

}