Java Programming Tutorial - 61 - Simple Polymorphic Program

package apples;

public class Animal {

public void noise() {

System.out.println("Animals don't make noise");

}

}

package apples;

public class Fish extends Animal {

public void noise() {

System.out.println("Glurp Slurp");

}

}

package apples;

public class Dog extends Animal {

public void noise() {

System.out.println("Rough");

}

}

package apples;

public class apples  {

public static void main (String[] args) {

Animal [] thelist = new Animal[2];

Dog d = new Dog();

Fish f =new Fish();

thelist [0]= d;

thelist [1]= f;

for (Animal x: thelist) {

x.noise();

}

} 

 }