Difference between TimerTask and Executors.newScheduledThreadPool(1)

Question

I need to schedule some work to be done in the future. I can do it in 2 ways:

1. Create a TimerTask and execute timer.schedule(...);

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Answer 1

One other difference is if there is an uncaught exception. In case of a Timer, the background thread is terminated but it is not brought back up. With a ScheduledExecutor (even with a single thread configuration), the ScheduledExecutor can continue after an uncaught exception. It tries to ensure the desired number of threads are running to process the tasks.

The ScheduledExecutor also produces a future in case you want to interact with the progress.