java有哪些锁种类
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一文详细讲解Java中有哪些锁
目录1. synchronized 锁2. ReentrantLock（可重入锁）3. ReadwriteLock（读写锁）4. StampedLock（Java 8+）5. 显式锁 vs 隐式锁6. 锁优化策略（JVM 对 synchronized 的优化）7.[详细]
2025-07-07 10:26 分类：开发invoking proc with instance_eval with arguments?
I know this works: proc = Proc.new do puts self.hi + \' world\' end class Usa def hi \"Hello!\" end end Usa.new.instance_eval &proc[详细]
2022-12-29 04:07 分类：问答
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