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| Core java - Interview Questions and Answers for 'Edgeverve systems' - 2 question(s) found - Order By Newest | ||||
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| 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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 Discuss Correct / Improve  java collections hashmap map concurrenthashmap concurrenthashmap concurrency general electric ge  Asked in 32 Companies  rare | ||||
 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 ? | ||||
 Frequently asked in CTS ( Based on 2 feedback ) | ||||
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| Ans. Comparable interface is used for single sequence sorting i.e.sorting the objects based on single data member where as comparator interface is used to sort the object based on multiple data members. | ||||
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Discuss Correct / Improve java java.util comparable comparator collections Asked in 23 Companies  basic frequent | ||||
| Related Questions | ||||
| What is comparator interface used for ? | ||||
| Sort a List of Objects using comparable and comparator | ||||
| What is a comparator ? | ||||
