问如何关闭小程序中的帧？

EN

C:\jdk1.6.0\bin>appletviewer me.java                                            
Exception in thread "AWT-EventQueue-1" java.security.AccessControlException: access denied (java.lang.RuntimePermission exitVM.0)                                       at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)                                                         at
java.security.AccessController.checkPermission(AccessController.java:546) 

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
/*<applet code="me.class" height=500 width=500></applet>*/
class se extends Frame {

    String msg;

    public se() {
        msg="This is Frame";
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }

    public void paint(Graphics g) {
        g.drawString(msg,10,100);
    }
}

public class me extends Applet {

    public void init() {
        se s1=new se();
        s1.setSize(400,400);
        s1.setVisible(true);
        s1.setTitle("The JAVA GAMER");
    }

    public void paint(Graphics g) {
        g.drawString("This is Applet",10,100);
    }
}