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Oct 19, 2018

How to Synchronize HashMap in Java with Example


HashMap is not synchronized, which means you cannot use it on multi-threaded Java program without external synchronization. In another word, if you share one instance of HashMap between multiple thread, each is either adding, removing or updating entries then it’s possible that HashMap loss its structure and not behave as expected.






http://feeds.dzone.com/~r/dzone/frontpage/~3/r8h0AhHU81o/how_to_synchronize_hashmap_in_java_with_example.html

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