ConcurrentHashMap may be used as a replacement for synchronizedMap or Hashtable in any application that does not rely on the ability to lock the entire table to prevent updates.

在任何不依赖于锁整个表来防止更新的应用程序中，可以使用concurrenthashmap来替代synchronizedmap或Hashtable。

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ConcurrentHashMap may be used as a replacement for synchronizedMap or Hashtable in any application that does not rely on the ability to lock the entire table to prevent updates.

在任何不依赖于锁整个表来防止更新的应用程序中，可以使用concurrenthashmap来替代synchronizedmap或Hashtable。

youdao