importjava.awt.*;java.awt.event.*;
import java.applet.*;
public class Events1 extends  
Applet implements MouseMotionListener {

 int mouseX =100,mouseY=100,mouseX2=496,mouseY2=100;
public void init() {

   addMouseMotionListener(this);<br>
}

public void mouseDragged(MouseEvent me) {

     if((me.getX() >= 100) && (me.getX() <= 500)) {

       if(me.getY() == 100) {
               mouseX = me.getX();
               mouseY = me.getY();

               repaint();
         }
    }

}
public void mouseMoved(MouseEvent me) {
     showStatus("Moving mouse at " + me.getX() + "," + me.getY());
}
public void paint(Graphics g) {
               g.drawRect(100,99,401,16);
               g.setColor(Color.red);
               g.fillRect(100,100,400,15);
               g.setColor(Color.green);
               g.fillRect(100,100,mouseX-100,15);
               g.setColor(Color.yellow);
               g.fillRect(mouseX2,mouseY,5,15);
               g.setColor(Color.blue);
               g.fillRect(mouseX,mouseY,5,15);
   }

}