Why do we use trees in data structures?
How do you reference all the elements in a one-dimension array?
Can treeset contain duplicates?
What are the advantages of stack?
Explain the term base case?
How can avl tree be useful in all the operations as compared to binary search tree?
Can you sort a hashset?
Can you store different types in an array?
Mention some drawbacks of the linked list.
Is hashmap an array?
How many types of lists are there?
Given M x N matrix with sorted elements row wise and column wise, find elements?
Does list allow null values?
What is array sort?
Why we use arraylist instead of linked list?