How to wait for a ThreadPoolExecutor to finish?

How to wait for a ThreadPoolExecutor to finish?

  11:17 AM    admin

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myThreadPoolExecutor.shutdown();
while (!myThreadPoolExecutor.isTerminated()) {
        //do thing
}

Alternative way:

myThreadPoolExecutor.shutdown();
if (!myThreadPoolExecutor.awaitTermination(1000, TimeUnit.SECONDS))
    System.err.println("Threads didn't finish in 1000 seconds!");
}