If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?
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

   



Interview Questions and Answers

Frequently asked.
 Q1. If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?Core Java
Ans. ArrayList are implemented in memory as arrays and hence allows fast retrieval through indices but are costly if new elements are to be inserted in between other elements. LinkedList allows for constant-time insertions or removals using iterators, but only sequential access of elements

1. Retrieval - If Elements are to be retrieved sequentially only, Linked List is preferred.

2. Insertion - If new Elements are to be inserted in between other elements , Linked List is preferred.

3. Search - Binary Search and other optimized way of searching is not possible on Linked List.

4. Sorting - Initial sorting could be pain but lateral addition of elements in a sorted list is good with linked list.

5. Adding Elements - If sufficiently large elements needs to be added very frequently ,Linked List is preferable as elements don't need consecutive memory location.

  Sample Code for ArrayList

  Sample Code for LinkedList

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

   Like         Discuss         Correct / Improve     java   collections   list   arraylist   linkedlist   difference between   architecture   data structure   ebay     Asked in 2 Companies      basic        frequent

Try 2 Question(s) Test


Related Questions

  What is the difference between ArrayList and LinkedList ?
 In a Linked list with sorted numbers, insert a new numbers while maintaining the sort order.
 Is this a valid initialization ? Explain.

Collection<Collection> collection = new LinkedList<LinkedList>();
  Difference between ArrayList and LinkedList ?
 Find the third last element in a linked list ?
 Write a program for LinkedList, with method to append node and traversing the list ?
 Write method to delete Node from a LinkedList.
 Difference between List and LinkedList ?
  Is it legal to initialize List like this ?



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: