What are the four types of variables?
Is tuple immutable?
What is a map in programming?
Can we make hashmap synchronized?
What is arraylist load factor?
Define the term “percolate down”?
Explain in brief a linked list.
How would you check if a binary tree is BST or not ? Write a program.
Which data structure is applied when dealing with a recursive function?
What is stable sorting method?
What are the properties of binary heap?
Why is quicksort so fast?
How to get the index of an array element?