How to traverse data in a linked list in forward and backward direction, write the algorithm?
Does stringutils isempty check for null?
Why is an array homogeneous?
Why is bubble sort stable?
What is an array vs list?
Differentiate between singly and doubly linked lists?
How to reverse a linked list iterative algorithm?
What is a 2 dimensional array?
What is the slowest sorting algorithm?
Why is hashmap not thread safe?
What is difference between while and do while?
Is a hashset ordered?
What are different techniques for making hash function? Explain with example.