Explain the most efficient method to reverse a linked list?
How does a selection sort work for an array?
what is the different between B-tree and B+ tree.
What is the need for path compression?
What is the difference between sorting and classifying?
Run time memory allocation is known as ?
Can hashmap have same key?
Describe the level term in a tree.
Is it possible to store null key and null values in a hashmap?
Define balancing condition for AVL Tree.
What is the use of data structure?
How do you sort an arraylist?
What do you mean by data types?