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By adobni
via java.dzone.com
Published: Feb 07 2008 / 11:49
Java 5 introduced many new concurrency primitives and collections, and this post is going to look at two classes that can be used to coordinate threads: CountDownLatch and CyclicBarrier. A CountDownLatch is initialized with a counter. Threads can then either count down on the latch or wait for it to reach 0. When the latch reaches 0, all waiting threads are released.
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