更新了可重入锁的举例#2846
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Snailclimb merged 1 commit intoSnailclimb:mainfrom May 5, 2026
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Clarified that not all Lock implementations are reentrant, specifically mentioning StampedLock. 原文“JDK 提供的所有现成的 Lock 实现类，包括 synchronized 关键字锁都是可重入的。”不严谨，JDK 中 synchronized、ReentrantLock、ReentrantReadWriteLock 是可重入的；但不能说 JDK 提供的所有锁都是可重入的，StampedLock 就不是。
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原文“JDK 提供的所有现成的 Lock 实现类，包括 synchronized 关键字锁都是可重入的。”不严谨，JDK 中 synchronized、ReentrantLock、ReentrantReadWriteLock 是可重入的；但不能说 JDK 提供的所有锁都是可重入的，StampedLock 就不是。