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|Interview Questions and Answers|
|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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|Like Discuss Correct / Improve  HashTable  ConcurrentHashMap  map  Collections|
|What is a ConcurrentHashMap ?|
|Difference between concurrentHashMap and HashTable ?|
|If a Map needs to be accessed simultaneously by multiple threads, which collection class should be used ?|
|How ConcurrentHashMap provides better performance compared to HashTable ?|
|Why do we need ConcurrentHashMap ?|
|Isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?|
|How many read and write operations are provided at the same time by ConcurrentHashMaps ?|
|Is ConcurrentHashMap synchronized ?|