When will you use array over arraylist?
Define a linear data structure.
What do you mean by external sorting?
What is difference between tree and binary tree?
What are three common types of traversals?
What is a undirected graph?
what is the difference between Linear Array and Linked List?
Which is better arraylist or linkedlist?
Why sorting is done?
What are linked lists most commonly used for?
List some applications of queue data structure.
Can an arraylist be null?
Is unordered_map a hash table?