我的印象是wait()释放所有锁,但我发现这篇帖子说的
"在同步方法中调用wait是一种获取内部锁的简单方法"
请澄清我有点困惑.
http://docs.oracle.com/javase/tutorial/essential/concurrency/guardmeth.html
java concurrency multithreading locking wait
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