(1) what is object?

• An object is a fundamental concept in object-oriented programming(oops) -It represent a real world entity -It is also called real time entity, physical entity and combination of state and behavior -state(attributes or properties) -behavior(method or function)

(2) What is class?
-Class is a blueprint or template for creating object
-Class is a group of similar object
-object consume space, class doesn't consume space