/**
   @version 1.31 2004-05-03
   @author Cay Horstmann
*/

import javax.swing.*;

public class SimpleFrameTest
{  
   public static void main(String[] args)
   {  
      SimpleFrame frame = new SimpleFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setVisible(true);  
   }
}

class SimpleFrame extends JFrame
{
   public SimpleFrame()
   {
      setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
   }

   public static final int DEFAULT_WIDTH = 300;
   public static final int DEFAULT_HEIGHT = 200;
}