Interview Questions and Answers for 'Talentica' | Search Interview Question

Interview Questions and Answers for 'Talentica' - 2 question(s) found - Order By Rating

Q1. Difference between concurrentHashMap and HashTable ?

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 ?

Q2. What is a ConcurrentHashMap ?

Core Java

Ans. ConcurrentHashMap is a hashMap that allows concurrent modifications from multiple threads as there can be multiple locks on the same hashmap.

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Related Questions

What is ConcurrentModificationException ?

What is a BlockingQueue?

What is concurrent interface ?

What is ConcurrentLinkedDeque ?

What is CopyOnWriteArrayList ?

What are the advantages and disadvantages of CopyOnWriteArrayList ?

Name few Concurrent Collection Classes ?

Difference between concurrentHashMap and HashTable ?

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

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