java theory questions

Object Casting Polymorphism Interview Questions

Note: Explanation is given avoiding more buzz words. Easily understandable manner. Object Casting Polymorphism Interview Questions What is casting? Converting one data type (or object) to the other is known as casting. It is required in a programming language as the user entered data may be in different form than…

OOPS Java Interview Questions

Note 1: The answers do not use more technical buzz words. It is done to understand the concept very clearly so that a novice can put it in his own words in interviews. OOPS Concepts What are local and global variables? A variable declared inside a method is known as…