OOPs Concept

If any language follows OOPS (Object Oriented System) features then we can say that language as Object Oriented Language.

Features of OOPS :
- Everything we represent as Object.
- Encapsulation
- Abstraction
- Inheritance
- Polymorphism
- Message Passing

Object:

An Object is an instance of a Class. It exists physically.
An Object can't exist without a Class. 

objects are stored in heap. 

An Object is a Basic runtime entity. 

It has it's individual state and behavior.