![]() If you don’t have patience to read the entire post, here is bottom line: When you confront with the decision of whether to use HashMap or HashTable or ConcurrentHashMap, you can consider using ConcurrentHashMap since it’s thread-safe implementation, without compromise in performance. This post compares the performance behavior of these data structures through practical examples. ![]() There are a good number of articles that articulate functional differences between HashMap, HashTable and ConcurrentHashMap.
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