Wednesday, 19 August 2015

Java Tutorial : Inheritance IS-A Relationship Animal (Implements)


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Java Tutorial : Inheritance IS-A Relationship Animal (Implements) 
Java Tutorial : Inheritance IS-A Relationship Animal (Implements) 
Java Tutorial : Inheritance IS-A Relationship Animal (Implements) 

AnimalDemo.java
/**
 * Animal is the Super Interface of Mammal,Parrot and Dove classes
 */
interface Animal
{

}

/**
 * Mammal is the subclass of Animal Interface.
 */
class Mammal implements Animal
{

}

/**
 * Dog is the subclass of both Mammal class and Animal Interface.
 */
class Dog extends Mammal
{

}

/**
 * Elephant is the subclass of both Mammal class and Animal Interface.
 */
class Elephant extends Mammal
{

}

/**
 * Tiger is the subclass of both Mammal class and Animal Interface.
 */
class Tiger extends Mammal
{

}

/**
 * Parrot is the subclass of Animal Interface.
 */
class Parrot implements Animal
{

}

/**
 * Dove is the subclass of Animal Interface.
 */
class Dove implements Animal
{

}

public class AnimalDemo
{
    public static void main(String args[])
    {

        Mammal mammal = new Mammal();
        Dog dog = new Dog();
        Elephant elephant = new Elephant();
        Tiger tiger = new Tiger();

        System.out.print("Mammal IS-A Animal : ");
        System.out.println(mammal instanceof Animal);
        System.out.println();

        System.out.print("Dog IS-A Mammal : ");
        System.out.println(dog instanceof Mammal);
        System.out.print("Dog IS-A Animal : ");
        System.out.println(dog instanceof Animal);
        System.out.println();

        System.out.print("Elephant IS-A Mammal : ");
        System.out.println(elephant instanceof Mammal);
        System.out.print("Elephant IS-A Animal : ");
        System.out.println(elephant instanceof Animal);
        System.out.println();

        System.out.print("Tiger IS-A Mammal : ");
        System.out.println(tiger instanceof Mammal);
        System.out.print("Tiger IS-A Animal : ");
        System.out.println(tiger instanceof Animal);
        System.out.println();

        Parrot parrot = new Parrot();
        Dove dove = new Dove();

        System.out.print("Parrot IS-A Animal : ");
        System.out.println(parrot instanceof Animal);
        System.out.println();

        System.out.print("Dove IS-A Animal : ");
        System.out.println(dove instanceof Animal);

    }
}
Output
Mammal IS-A Animal : true
Dog IS-A Mammal : true
Dog IS-A Animal : true

Elephant IS-A Mammal : true
Elephant IS-A Animal : true

Tiger IS-A Mammal : true
Tiger IS-A Animal : true

Parrot IS-A Animal : true

Dove IS-A Animal : true

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https://sites.google.com/site/javaee4321/java/InheritanceDemo-IS-A-Animal-ImplementsApp.zip?attredirects=0&d=1

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
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