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

public class UpdateTest extends Applet {

   public void init()
   {
      setForeground ( Color.red );
      setBackground ( Color.white );
   }

   public void update ( Graphics g )
   {
      g.setColor ( Color.blue );
      paint ( g );
   }

   public void paint ( Graphics g )
   {
      g.fillOval ( 0, 0, 40, 40 );
   }

   public boolean mouseDown ( Event e, int x, int y )
   {
      repaint();
      return true;
   }	
  
}