Define non linear data structure.
How do you do a mergesort?
What does abstract data type mean?
Which is faster arraylist or linked list?
Why do we need arrays if all the operations that are performed on arrays can be performed on arraylist?
How does arraylist size work?
Why does hashset use hashmap?
Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)
Explain the term base case?
Describe avl tree or height balanced binary search tree.
How can you represent a linked list node?
What are the data structures used in RDBMS, Network data model & Hierarchical data model?
Are sets sorted?