1.

What is the worst case complexity of accessing an element in ArrayList?(a) O(n)(b) O(1)(c) O(nlogn)(d) O(2)This question was posed to me in a job interview.This interesting question is from Data Structures-List in section java.util – The Collections Framework of Java

Answer» RIGHT option is (b) O(1)

To explain I would SAY: ARRAYLIST has O(1) complexity for accessing an ELEMENT in ArrayList. O(N) is the complexity for accessing an element from LinkedList.


Discussion

No Comment Found

Related InterviewSolutions