* @param beep true if the clock should beep
    */
   public void start(int interval, final boolean beep)
   {
      ActionListener listener = new ActionListener()
         {
            public void actionPerformed(ActionEvent event)
            {
               Date now = new Date();
               System.out.println("At the tone, the time is " + now);
               if (beep) Toolkit.getDefaultToolkit().beep();
            }
         };
      Timer t = new Timer(interval, listener);
      t.start();
   }