Discuss / Java / Semaphore 类比开车汇入离开主路

Semaphore 类比开车汇入离开主路

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Junes_99994

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1.   acquire可类比从支线汇入3车道主路,主路都被占用就等待,长时间堵车了就不走这儿了
2.   release就是出主路进入支线,释放占用的车道

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