Search Interview Questions
| More than 3000 questions in repository.|
There are more than 900 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Core java - Interview Questions and Answers for 'Helpchat' - 1 question(s) found - Order By Newest|
|Ans. ConcurrentHashMap is a hashMap that allows concurrent modifications from multiple threads as there can be multiple locks on the same hashmap.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  java   collections   hashmap   map   concurrenthashmap   concurrenthashmap  concurrency   general electric   ge Asked in 32 Companies   rare|
|What is ConcurrentModificationException ?|
|What is ConcurrentLinkedDeque ?|
|What is CopyOnWriteArrayList ?|
|What are the advantages and disadvantages of CopyOnWriteArrayList ?|
|Name few Concurrent Collection Classes ?|
|What is a BlockingQueue?|
|Difference between concurrentHashMap and HashTable ?|
|isnt the use of HashTable and ConcurrentHashMap the same, i.e providing synchronized map collection ?|
|What is the use of java.util.concurrent package in Java ?|