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多线程 - Java: Semaphore（1）和lock有啥区别，哪个性能更好？
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PHP中文网 2017-04-18 10:53:39
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Java: Semaphore（1）和lock有啥区别，哪个性能更好？

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PHPzhong
PHPzhong2017-04-18 10:55:39 1 floor

Performance:Lock>synchronized>Semaphore

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