异常java.lang.IllegalMonitorStateException

最新推荐文章于 2021-11-15 20:07:18 发布

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博主写代码时遇到java.lang.IllegalMonitorStateException异常，通过搜索得知JavaDoc对该异常的解释较晦涩，还提到在Object.notify()函数的JavaDoc中有关于线程成为对象监视器所有者的三种方式的相关解释。

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今天写代码遇到一个异常java.lang.IllegalMonitorStateException，百度问题，搜索blog得知

JavaDoc上关于IllegalMonitorStateException的解释是：
Thrown to indicate that a thread has attempted to wait on an object’s monitor or to notify other threads waiting on an object’s monitor without owning the specified monitor.
看起来有些晦涩难懂，比如object’s monitor。其实，在Object.notify()这个函数的JavaDoc中有相关的解释：
A thread becomes the owner of the object’s monitor in one of three ways:
1). By executing a synchronized instance method of that object.
2). By executing the body of a synchronized statement that synchronizes on the object.
3). For objects of type Class, by executing a synchronized static method of that class. ---------------------
作者：historyasamirror
来源：优快云
原文：https://blog.youkuaiyun.com/historyasamirror/article/details/6709693