SAP Ariba interview question

Compare arraylist contents and get the duplicate

Interview Answers

Anonymous

17 Apr 2011

Gave the approach. But he was not happy as he said if arraylist consists of 1000's of elements, it is difficult and slow in my approach. I think he needs search algorithms comparison and so on

1

Anonymous

12 Apr 2012

In case of such large lists, better way is to sort one of the list and perform binary search of elements in list 2.