[讨论] Does re-putting an object into a ConcurrentHashMap cause a “happens-before” ...

QiaoDuanni 2012-03-15
http://stackoverflow.com/questions/7809131/does-re-putting-an-object-into-a-concurrenthashmap-cause-a-happens-before-memo

这个问题哪位能给解释一下,看的不是很明白。
谢谢
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