Object Oriented Programming: Unit II: Inheritance, Packages and Interfaces

Multiple Inheritance

Definition, Concept, Syntax, Implementation, Example Java Programs

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Multiple inheritance is a mechanism in which the child class inherits the properties from more than one parent classes.

Multiple Inheritance

Definition: Multiple inheritance is a mechanism in which the child class inherits the properties from more than one parent classes.

For example

• Java does not support multiple inheritance because it creates ambiguity when the properties from both the parent classes are inherited in child class or derived class. But it is supported in case of interface because there is no ambiguity as implementation is provided by the implementation class.

• Implementation

interface A

{

void display1

}

interface B

{

void display2();

}

class C implements A,B

{

public void display1()

{

System.out.println("From Interface A");

}

public void display2()

{

System.out.println("From Interface B");

}

public static void main(String args[])

{

C obj = new C();

obj.display1();

obj.display2();

}

Output

From Interface A

From Interface B

Program Explanation:

In above program, we have created both the parent interfaces and the derived class is using method declared ion the parent interface. Note that the definition of these methods is present in the child class. Thus multiple inheritance is achieved with the help of interface.

Object Oriented Programming: Unit II: Inheritance, Packages and Interfaces : Tag: : Definition, Concept, Syntax, Implementation, Example Java Programs - Multiple Inheritance

Home | Department: CSE Department | Subject: Object Oriented Programming |

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Object Oriented Programming: Unit II: Inheritance, Packages and Interfaces

Overloading Methods - with Example Java Programs

Objects as Parameters - Syntax with Example Java Programs

Returning Objects - with Example Java Programs

Static, Nested and Inner Classes - with Example Java Programs

Inheritance: Basics - Definition, Concept, Advantages, Syntax

Type of Inheritance - OOPs

What is Protected Member? - Object Oriented Programming

Implementation of Different Type of Inheritance - Syntax with Example Java Programs

Super Keyword - Syntax with Example Java Programs

Method Overriding - with Example Java Programs

Polymorphism - with Example Java Programs

Abstract Classes - with Example Java Programs

The Final with Inheritance - with Example Java Programs

The finalize() Method - Definition, Concept, Syntax | Interfaces

Packages - Purpose, Definition, Importance, Creating, Accessing, Importing, Example Java Programs

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