//********************************************************************//  xxx.java       Author: Lewis/Loftus////  Demonstrates //********************************************************************import javax.swing.*;import java.awt.*;public class Splat{   //-----------------------------------------------------------------   //  Presents a collection of circles.   //-----------------------------------------------------------------   public static void main (String[] args)   {      JFrame frame = new JFrame ("Splat");      frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);      frame.getContentPane().add(new SplatPanel());      frame.pack();      frame.setVisible(true);   }}