Simple java applet

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
   This is a simple applet.
*/

public class WatchMe extends JApplet
{
    private int currentX = 0; //cursor's current X position
    private int currentY = 0; //cursor's current Y position
    private int leyeX = 118; //pupil's default X position
    private int reyeX = 148; //pupil's default X position
    private int leyeY = 68; //pupil's default Y position
    private int reyeY = 68; //pupil's default Y position

   public void init()
   {
      getContentPane().setBackground(Color.white);

      // Add a mouse motion listener to this applet.
      addMouseMotionListener(new MyMouseMotionListener());
   }

   public void paint(Graphics g)
   {
       //Call the superclass paint method.
       super.paint(g);
       //draw a black unfilled rectangle
       g.setColor(Color.black);

       //draw the eyes
       g.drawOval(110, 55, 25, 40);
       g.drawOval(140, 55, 25, 40);

       //draw the pupils
       g.setColor(Color.black);
       g.fillOval(leyeX, leyeY, 10, 10);
       g.fillOval(reyeX, reyeY, 10, 10);
   }

   private class MyMouseMotionListener
                        implements MouseMotionListener
   {
       public void mouseDragged(MouseEvent e)
       {
               currentX = e.getX();
               currentY = e.getY();
               if (currentX > 149)
                {
                    leyeX = 123;
                    reyeX = 153;
                }
               if (currentX < 149)
                {
                    leyeX = 113;
                    reyeX = 143;
                }
               if (currentY > 99)
                {
                    leyeY = 73;
                    reyeY = 73;
                }
               if (currentY < 99)
                {
                    leyeY = 63;
                    reyeY = 63;
                }

               //repaint the window
               repaint();

       }

       public void mouseMoved(MouseEvent e)
       {
               currentX = e.getX();
               currentY = e.getY();
               if (currentX > 149)
                {
                    leyeX = 123;
                    reyeX = 153;
                }
               if (currentX < 149)
                {
                    leyeX = 113;
                    reyeX = 143;
                }
               if (currentY > 99)
                {
                    leyeY = 73;
                    reyeY = 73;
                }
               if (currentY < 99)
                {
                    leyeY = 63;
                    reyeY = 63;
                }

               //repaint the window
               repaint();

       }
   }
}