Concurrency Package
AtomicIntger
AtomicIntger
AtomicLong
CountDownLatches
A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.
A
CountDownLatch is initialized with a given count. The await methods block until the current count reaches zero due to invocations of the countDown() method, after which all waiting threads are released and any subsequent invocations ofawait return immediately. This is a one-shot phenomenon -- the count cannot be reset. If you need a version that resets the count, consider using a CyclicBarrier.
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