Why is arraylist used?
What are arrays give example?
What is a node in it?
Are data structures important?
Find duplicates in infinite range. Which data structure to be used to give efficient solution?
Which list does not allow duplicates?
Explain the priority queue?
Define biconnectivity?
Does treemap allow null values?
What are priority queues?
How will you explain circular linked list?
Explain the common uses of threaded binary tree.
Do you know how to find if linked list has loop?