/******************************************************************
 * @(#) PingPong.java     1.0
 *
 * Copyright (c) 2003 John Miller
 * All Right Reserved
 *-----------------------------------------------------------------
 * Permission to use, copy, modify and distribute this software and
 * its documentation without fee is hereby granted provided that
 * this copyright notice appears in all copies.
 * WE MAKE NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY
 * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WE SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY ANY USER AS A RESULT OF USING,
 * MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 *-----------------------------------------------------------------
 *
 * @version     1.0, 19 Feb 2003
 * @author      John Miller
 */

import static java.lang.System.*;

/******************************************************************
 * The PingPong class tests threads.
 */
public class PingPong //extends Thread
                      implements Runnable
{
    private String  word;
    private int     delay;

    /**************************************************************
     * Construct a ping or pong object.
     */
    public PingPong (String whatToSay, int delayTime)
    {
        word  = whatToSay;
        delay = delayTime;
    } // PingPong

    /**************************************************************
     * Run method for the ping/pong object.
     */
    public void run ()
    {
        for ( ; ; ) {
            out.println (word);
            try {
                //sleep (delay);
                Thread.sleep (delay);
            } catch (InterruptedException ex) {
                return;
            } // try
        } // for
    } // run

    /**************************************************************
     * Main method for invoking the application.
     * @param  args  Command-line arguments
     */
    public static void main (String [] args)
    {
        //new PingPong ("ping", 33).start ();
        //new PingPong ("PONG", 100).start ();

        new Thread (new PingPong ("ping", 333)).start ();
        new Thread (new PingPong ("PONG", 1000)).start ();

    } // main

} // PingPong class