How many types of data structures are there?
Explain about the types of linked lists
Is arraylist synchronized?
What is a string array?
What are the four characteristics of algorithms?
What is time complexity of hashmap?
Explain binary searching and Fibinocci search?
What are the standard ways in which a graph can be traversed?
What are the types of array operations?
How to create an Array?
Define an algorithm.
What is the purpose of thread?
Does arraylist have a tostring?