3 types : Multilevel inheritance

Multilevel inheritance is part of 3 types inheritance. This inheritance works on chain structure code like Manager-> Department Manager -> Worker etc.


Basic structure of multilevel inheritance is.

A             Super class


B             Sub class | Super Class


C             Sub Class

In this figure, we can see B class is sub class of A class and super class of C class. Here C class can access A and B Class Data Members (variables and methods), B Class can access A Class variables and methods.


In this blog, we also introduce default constructor with inheritance.


class A




                                System.out.println(“Welcome in A”); // 1st line



class B extends A


                B()          // call to A() constructor



                                System.out.println(“Welcome in B”);      //  2nd line



class C extends B


                C()          // call to B() constructor


                                System.out.println(“Welcome in C”);      // 3rd line



class inh2


                public static void main(String args[])


                                // we just create C class object | automatically call to super class B and A

                                C obj = new C();                // call to C() constructor




Welcome in A

Welcome in B

Welcome in C

Use of inheritance

We have to just create C class object and this object manage all class methods and variables.


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Hello, I am Maddy a Java blogger, trainer and developer

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1 Comment

  1. October 14, 2016 - 12:31 am

    This is a topic which is close to my heart… Thank you!
    Exactly where are your contact details though?

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