How to remove a task from ScheduledExecutorService?

Question

I have a ScheduledExecutorService that times a few different task periodically with scheduleAtFixedRate(Runnable, INIT_DELAY, ACTION_DELAY, TimeUnit.SECON

Answer 1

If your ScheduledExecutorService instance extends ThreadPoolExecutor (e.g. ScheduledThreadPoolExecutor), you could use remove(Runnable) (but see the note in its javadoc: "It may fail to remove tasks that have been converted into other forms before being placed on the internal queue.") or purge().