The document introduces the concept of inheritance in object-oriented programming, explaining the roles of superclasses and subclasses. It details the types of inheritance, access modifiers, and the function of constructors within subclasses. Key distinctions include the inability of subclasses to access private members of their superclasses directly.

1. MY NAME IS ABDUL BASIT

3.  Introduction to Inheritance
 Types of Inheritance
 Superclasses and Subclasses
 protected Members
 Constructors in Subclasses
 Class Object

4.  The deriving the new class from an old one is
called Inheritance.
 The old Class is known as base class or Super
Class .
 The Class who inherit properties of base class is
called derived class or sub class .
 In single inheritance a class is derived from
one superclass

6. Super class SubClass
Student GraduateStudent,
UndergraduateStudent
Shape Circle, Triangle, Rectangle, Sphere, Cube

7. Father
Son Daughter Son 2
Super Class
Sub classes

12.  There are four type of access modifier
 Public ,Private, Protected and Default
 public or protected methods inherited from the
superclass.
 Methods of a subclass cannot directly access
private members of their superclass.

13.  Member function of Class .
 No return type(it does not return any value )
 Has same name As class.
 Call automatically when an object is
instantiated .
 Constructor of base class is called before the
constructor of Derived Class.