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

/*
  <applet code="applet" width=300 height=500>
  </applet>
*/

 class  SomeFrame  extends  Frame {

    // constructor
    SomeFrame(String st){
         super (st);
        MyWindowAdapter adapter =  new  MyWindowAdapter( this );
        addWindowListener(adapter);


    }
}

 class  MyWindowAdapter  extends  WindowAdapter{

    SomeFrame someframe;
     public  MyWindowAdapter(SomeFrame someframe){
         this .someframe = someframe;
    }

     public   void  windowClosing(WindowEvent we){
        someframe.setVisible(false);
    }

}


 public   class  ex2  extends  Applet{

    Frame f;

     public   void  init(){
        f =  new  SomeFrame("A main frame window");
        f.setSize( 500 , 500 );
        f.setVisible(true);
    }

     public   void  start(){
       f.setVisible(true);

    }

     public   void  stop(){
       f.setVisible(false);
    }

        

     [b]public   void  paint(Graphics g){
        g.drawString("applet window", 10 , 15 );
    }
[/b]