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kenduffy
V2EX  ›  问与答

Java :一个获得锁的线程在未解锁情况下退出或者发生异常终止会怎样?

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  •   kenduffy · Dec 4, 2017 · 2556 views
    This topic created in 3066 days ago, the information mentioned may be changed or developed.

    锁自动解除吗?

    5 replies    2017-12-04 16:57:00 +08:00
    HaoyangWei
        1
    HaoyangWei  
       Dec 4, 2017
    看锁是怎么实现的
    8rB61FLBPVSxW2C8
        2
    8rB61FLBPVSxW2C8  
       Dec 4, 2017
    synchronized 谁会自动释放的,ReentrantLock 只要 finally 中别忘了 unlock,也是会自动释放的。应该是这样的
    kenduffy
        3
    kenduffy  
    OP
       Dec 4, 2017
    @HackerOO7

    ReentrantLock 如果抛出 RuntimeException,不会想到去捕捉啊
    那岂不是就死锁?
    kenduffy
        4
    kenduffy  
    OP
       Dec 4, 2017
    顶顶顶
    SoloCompany
        5
    SoloCompany  
       Dec 4, 2017
    读一下 Thread.stop 为什么会是 deprecated, 这应该是基本知识
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