Differentiate between hashmap and hashtable.
Explain about the different lists available in the collection?
What is lifo?
How do I rearrange rows in numbers?
Explain exception filter?
How would you reverse the characters of an array?
What is the default value of Array?
Is char array null terminated?
Explain extended binary tree.
What are the 3 types of variables?
What are the types of data structures?
Describe tree database.
Given M x N matrix with sorted elements row wise and column wise, find elements?