Objects and Classes in C++

Objects

• ‘C’ is a collection of functions but ‘C++’ is a collection of class and object
• Object is an instance of class
• Allocating memory for members of class, is called as instance

eg :

int x

float y                                  instance

employee emp

What do you mean by SBI of an object  ?

SBI  -  - > state behavior identity

• SBI stand for state, Behavior and identity since every object has the above the rule

State :  It is a just a value to the attribute of an object at a particular time.

Behavior :     It describes the action and their reactions of that object

Identity :   An object has an identity that characterizes its own existence