How to reverse a linked list iterative algorithm?
Can you sort a string?
Difference between hashset and treeset?
How does max heap work?
Define graph?
How to check array contains value or not?
What is the bucket size, when the overlapping and collision occur at the same time?
What is ds tree?
Tell me the difference between structure and array?
Why is the isempty() member method called?
Define a linear and non linear data structure.
When would you use a hashmap?
How many types of lists are there?