Core Java - Interview Questions and Answers for 'Concurrentmodificationexception' | Search Java Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com

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.
Label / Company      Label / Company / Text

   



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

 Q1. What is ConcurrentModificationException ?Core Java
Admin
info@buggybread.com
Ans. This is the exception that is thrown when we try to modify the non concurrent collection class while iterating through it.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   collections   concurrentmodificationexception   exception  concurrency     Asked in 14 Companies      intermediate


Related Questions

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


 Q2. What is CopyOnWriteArrayList ?
Admin
info@buggybread.com
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

 Help us improve. Please let us know the company, where you were asked this question :   

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


Related Questions

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


 Q3. What are the advantages and disadvantages of CopyOnWriteArrayList ?Core Java
Admin
info@buggybread.com
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.

 Help us improve. Please let us know the company, where you were asked this question :   

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


Related Questions




Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked: