What is the difference between arraylist and hashmap?
Is char array null terminated?
What is an iterative algorithm?
What is max heapify?
Do sets allow duplicates?
What do you mean by double hashing?
Define ancestor and descendant ?
What are the properties of binary tree?
How do you sort pseudocode?
What is a tech stack?
What you mean by sorting?
What is the data structures used to perform recursion?
Can an arraylist be null?