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Core Java - Interview Questions and Answers for 'Copyonwritearraylist' - 3 question(s) found - Order By Newest

 Q1. What is CopyOnWriteArrayList ?
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Ans. Its a type of ArrayList in which all Write operations , i.e add and set are performed by creating a new copy. This array never changes during the lifetime of the iterator, so it never throws ConcurrentModificationException

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   Like         Discuss         Correct / Improve     java   collections   list   arraylist   copyonwritearraylist   ConcurrentModificationException     Asked in 1 Companies


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  What are the advantages and disadvantages of CopyOnWriteArrayList ?
 What is the trade off between using Collections.synchronizedList() on an ArrayList and a CopyOnWriteArrayList?


 Q2. What are the advantages and disadvantages of CopyOnWriteArrayList ?Core Java
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Ans. This collections class has been implemented in such a manner that it can never throw ConcurrentModificationException. As it performs update and write operations by creating a new copy of ArrayList, It's slower compared to ArrayList.

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   Like         Discuss         Correct / Improve     java   collections   list   arraylist   copyonwritearraylist   advantages-disadvantages   ConcurrentModificationException     Asked in 4 Companies      Expert


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 Q3. What is the trade off between using Collections.synchronizedList() on an ArrayList and a CopyOnWriteArrayList?Core Java2017-05-07 19:31:54

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   Like         Discuss         Correct / Improve     Collections.synchronizedList()  CopyOnWriteArrayList


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  What is CopyOnWriteArrayList ?
  What are the advantages and disadvantages of CopyOnWriteArrayList ?



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