Why ExecutorService does not have invokeAll for Runnable tasks

Question

Why ExecutorService does not have invokeAll for Runnable tasks

I noticed that there are submit methods for both the Runnable task and Callable. Why there is only invokeAll for Callable tasks, but there is no invokeAll for Runnable tasks. Thanks

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runnable callable executorservice

Jacky Jul 9 '14 at 3:27

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