| 79 |
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|
| 80 |
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<h2>Synchronizers</h2> |
| 81 |
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|
| 82 |
< |
Five classes aid common special-purpose synchronization idioms. |
| 82 |
> |
Four classes aid common special-purpose synchronization idioms. |
| 83 |
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{@link java.util.concurrent.Semaphore} is a classic concurrency tool. |
| 84 |
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{@link java.util.concurrent.CountDownLatch} is very simple yet very |
| 85 |
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common utility for blocking until a given number of signals, events, |
| 86 |
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or conditions hold. A {@link java.util.concurrent.CyclicBarrier} is a |
| 87 |
< |
resettable multiway synchronization point common in some styles of |
| 87 |
> |
resettable multiway synchronization point useful in some styles of |
| 88 |
|
parallel programming. An {@link java.util.concurrent.Exchanger} allows |
| 89 |
< |
two threads to exchange objects at a rendezvous point. |
| 89 |
> |
two threads to exchange objects at a rendezvous point, and is useful |
| 90 |
> |
in several pipeline designs. |
| 91 |
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|
| 92 |
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<h2>Concurrent Collections</h2> |
| 93 |
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