Difference between concurrentHashMap and HashTable ?
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 Q1. Difference between concurrentHashMap and HashTable ?Core Java
Ans. HashTable locks the complete collection to provide synchronization whereas ConcurrentHashMap only locks segments to achieve synchronization and hence better efficient and faster.

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Related Questions

  What is a ConcurrentHashMap ?
 isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?
 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 ?



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