Java

import java.io.*;
import java.util.Scanner;

public class Test {

    public static void main(String [] args) {
    
        Animal[] zoo = new Animal[3];
        Animal a = new Animal("Generic Animal");
        a.displayName();
        
        Cat c = new Cat("Fluffy");
        c.displayName();
        
        zoo[0] = new Dog("Scooby-Doo");  // a dog
        
        zoo[1] = new Cat("Mittens");  // a cat
        for (int i = 0; i < 2; i++)
        	zoo[i].displayName();  // polymorphic calls
    }
}

// Superclass Animal
 
public class Animal {

    protected String name;
    protected String likes;

    public Animal(String newname, String what) {
        name = newname;
        likes = what;
    }

    public Animal(String newname) {
        this(newname, "everything");
    }

    public void displayName() {
        System.out.println("My name is " + name + " and I like " + likes);
    }
}

// Subclass Cat
public class Cat extends Animal {

    public Cat(String newname) {
        super(newname, "to drink milk");
    }
}

// Superclass Dog
public class Dog extends Animal {

    public Dog(String newname) {
        super(newname, "to eat bones");
    }
}

Member 10001837 wrote:

I'm just a beginner in Java Programming

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            return hash;

saigowthami wrote:

meaning??