Class and Objects

Class:

1. Class is a Template or BluePrint or set of instructions to build a specific type of object.


2. Class doesn't hold any memory.


3. Class is a Logical Entity.


4. Class in java determines how an object will behave and what the object will contain.

Object:

1. Object is a Physical Entity or Real-time Entity.


2. Object represents Class.


3. Object is memory reference of a class.


4. Object is a member of a class.


5. Object is an instance of a class.


6. Object is combination of state and behaviours.


7. The state of an object is stored in a field or variable.


8. The behaviour of an object is defined by methods.


9. Objects are created at runtime from templates, which are also know as classes.