• As we know, the paint method of Applet objects is used to display information on the screen.
• It is called automatically when the applet executes.
• But now, we want to display different information each time the user enters a new pair of integers.
• We invoke the method repaint(), another method of applet objects.
• repaint() :
  1. invokes the update method of Applet objects, which erases any information on the applet that had been displayed by invoking paint;
  2. invokes the paint method.