What is linked list ?
Why sorting is done?
Which is best book for data structures?
How do I sort a hashmap key?
Explain the implementation of an AVL tree and Binary tree.
What is difference between treeset hashset linkedhashset?
Devise a program to sort an array using bubble sort.
Why null is allowed in hashmap?
When is a graph said to be weakly connected?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
Explain multiply linked list in short.
what is the difference between Linear Array and Linked List?
What is the best sorting technique?