public void start() {
      if (timer != null)
         throw new IllegalStateException("already running");

      if (interval < BUSY_WAITING_THRESHOLD)
         timer = new MyBusyTimer();
      else if (interval < MILLISECOND_THRESHOLD)
         timer = new MyWaitingTimer();
      else
         timer = new MyMillisecondTimer();

      Thread thread = new Thread(timer, "timer");
      thread.setDaemon(true);
      thread.start();
   }
public void start() {
      if (timer != null)
         throw new IllegalStateException("already running");

      if (interval < BUSY_WAITING_THRESHOLD)
         timer = new MyBusyTimer();
      else if (interval < MILLISECOND_THRESHOLD)
         timer = new MyWaitingTimer();
      else
         timer = new MyMillisecondTimer();

      Thread thread = new Thread(timer, "timer");
      thread.setDaemon(true);
      thread.start();
   }
public void start ( ) { if ( timer != null ) throw new IllegalStateException ( "already running" ) ; if ( interval < BUSY_WAITING_THRESHOLD ) timer = new MyBusyTimer ( ) ; else if ( interval < MILLISECOND_THRESHOLD ) timer = new MyWaitingTimer ( ) ; else timer = new MyMillisecondTimer ( ) ; Thread thread = new Thread ( timer , "timer" ) ; thread . setDaemon ( true ) ; thread . start ( ) ; }
Starts generating tick events, starting from 0. This method must not be
called when the tick source is already running.
Starts generating tick events starting from 0 . This method must not be called when the tick source is already running .