What is int data type?
What is peek in stack?
How many different binary trees and binary search trees can be made from three nodes that contain the key values 1, 2 & 3?
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What is the space complexity of quicksort?
What are the disadvantages of sequential storage?
What is a height of a tree?
What is the complexity of adding an element to the heap?
Mention for which header list, you will found the last node contains the null pointer?
What is a Queue? Explain its operation with example?
What is difference between hashset and treeset?
Is binary tree a binary search tree?
how to add an item to the beginning of the list?
How many types of priority queue are there?