What is selection in an algorithm?
What is difference between hashtable and hashmap?
Is array faster than arraylist?
Which is more efficient merge sort vs quicksort?
How many times is merge sort called?
What are the types of algorithms?
What is the use of prototype?
Differentiate between arraylist and vector.
Define avl tree?
List some applications of multilinked structures?
What is a Stack? Explain with example?
What is perfect binary tree?
Which of the collections allows null as the key?
Which sorting has less time complexity?
You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?