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解决线程安全问题的方式三：Lock锁@[toc]Lock锁（jdk5.0后的方式）从JDK 5.0开始，Java提供了更强大的线程同步机制——通过显式定义同步锁对象来实现同步。同步锁使用Lock对象充当。java.util.concurrent.locks.Lock接口是控制多个线程对共享资源进行...

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