code: public static void addTask(final TimerTask task, final long delay, final long period) {
          timer.scheduleAtFixedRate(task, delay, period);
      }
docs: Adds a new task.
  
  @param task   {@link java.util.TimerTask} to add
  @param delay  delay in milliseconds before task is to be executed.
  @param period period of task execution starts in milliseconds.