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修改错别字 #1598

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Snailclimb merged 1 commit into from
Mar 7, 2022
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修改错别字 #1598

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2 changes: 1 addition & 1 deletion docs/java/concurrent/java-concurrent-questions-02.md
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Expand Up @@ -184,7 +184,7 @@ JDK1.6 对锁的实现引入了大量的优化，如偏向锁、轻量级锁、

#### 1.5.1. 两者都是可重入锁

**“可重入锁”** 指的是自己可以再次获取自己的内部锁。比如一个线程获得了某个对象的锁，此时这个对象锁还没有释放，当其再次想要获取这个对象的锁的时候还是可以获取的，如果不可锁重入的话，就会造成死锁。同一个线程每次获取锁，锁的计数器都自增 1，所以要等到锁的计数器下降为 0 时才能释放锁。
**“可重入锁”** 指的是自己可以再次获取自己的内部锁。比如一个线程获得了某个对象的锁，此时这个对象锁还没有释放，当其再次想要获取这个对象的锁的时候还是可以获取的，如果是不可重入锁的话，就会造成死锁。同一个线程每次获取锁，锁的计数器都自增 1，所以要等到锁的计数器下降为 0 时才能释放锁。

#### 1.5.2.synchronized 依赖于 JVM 而 ReentrantLock 依赖于 API

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