为什么等待，通知和notifyAll方法都在Object Class中？ [英] Why wait ,notify and notifyAll Methods are in Object Class?

问题描述

我知道wait（）方法总是用synchronized方法/块编写并对Object进行锁定但是我想知道当所有方法都在Thread类中时出现了什么问题？

i know that wait() method always written in synchronized method/block and make lock on Object but i want to only know that what problem is arise at that time when this all methods are in Thread class ?

推荐答案

在Thread对象上使用它们的问题是Thread为了它自己的目的而使用这个锁。这可能会导致混乱和奇怪的错误。

The problem with using them on a Thread object is that the Thread uses this lock for it own purposes. This is likely to lead to confusion and odd bugs.

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