isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?
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 Q1. isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?Core Java2017-01-29 18:38:52

Ans. Yes, they both aim at providing synchronized access to the Map collection. The only difference is in their implementation. ConcurrentHashMap came after HashTable and hence technically more efficient as it doesn't lock the complete map while accessing it.

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