What is top in stack?
Can hashmap have duplicate keys?
Explain quick sort and merge sort algorithms.
Is array part of collection framework?
Define linear data structures?
Does treeset remove duplicates?
What are the difference between arraylist and linkedlist from the perspective of sorting?
Define left-in threaded tree?
Which list does not allow duplicates?
Given M x N matrix with sorted elements row wise and column wise, find elements?
Can you override methods of arraylist?
What is linked list ?
How many parts are there in a declaration statement using data structures?
How many types of priority queue are there?
What is sort function?