There are three types of inheritance in Java: single, multilevel, and hierarchical. Single inheritance allows a child class to inherit from one parent class, as in the example of the Dog class extending the Animal class. Multilevel inheritance allows a grandchild class to inherit from a parent class through a child class, as in the BabyDog class extending Dog and indirectly inheriting from Animal. Hierarchical inheritance allows multiple child classes to inherit from a common parent class, as in both the Dog and Cat classes extending Animal.

1. Types of inheritance in java
Prof. Neeraj Bhargava
Kapil Chauhan
Department of Computer Science
School of Engineering & Systems Sciences
MDS University, Ajmer

2. Introduction
 On the basis of class, there can be three types of
inheritance in java: single, multilevel and hierarchical.
 In java programming, multiple and hybrid inheritance
is supported through interface only.

3. Types of Inheritance

4. Cont..

5. Single Inheritance Example
 class Animal{
 void eat(){System.out.println("eating...");}
 }
 class Dog extends Animal{
 void bark(){System.out.println("barking...");}
 }
 class TestInheritance{
 public static void main(String args[]){
 Dog d=new Dog();
 d.bark();
 d.eat();
 }}

6. Multilevel Inheritance Example
 class Animal{
 void eat(){System.out.println("eating...");}
 }
 class Dog extends Animal{
 void bark(){System.out.println("barking...");}
 }
 class BabyDog extends Dog{
 void weep(){System.out.println("weeping...");}
 }
 class TestInheritance2{
 public static void main(String args[]){
 BabyDog d=new BabyDog();
 d.weep();
 d.bark();
 d.eat();
 }}

7. Hierarchical Inheritance Example
 class Animal{
 void eat(){System.out.println("eating...");}
 }
 class Dog extends Animal{
 void bark(){System.out.println("barking...");}
 }
 class Cat extends Animal{
 void meow(){System.out.println("meowing...");}
 }
 class TestInheritance3{
 public static void main(String args[]){
 Cat c=new Cat();
 c.meow();
 c.eat();
 }}

8. Assignment
 Explain Types of Inheritance in java with example.