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via javarevisited.blogspot.com.au
Published: Mar 01 2013 / 22:09

ConcurrentHashMap is one of the most popular concurrent collection class in Java, but how did it achieve it's scalability and improved performance over synchronized HashMap and Hashtable is popular Java question. This article explains How does ConcurrentHashMap works in Java, How it achieves it's thread-safety and How to use them in your Java program.
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