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Java 9 Concurrency Cookbook - Second Edition by Javier Fernández González

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The ThreadPoolExecutor class provides another version of the invokeAny() method:

  • invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit): This method executes all the tasks and returns the result of the first one that finishes without throwing an exception, if it does so before the given timeout is passed. The TimeUnit class is an enumeration with the following constants: DAYS, HOURS, MICROSECONDS, MILLISECONDS, MINUTES, NANOSECONDS, and SECONDS.

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