Gg

// Abstract class Animal

abstract class Animal {

    // Properties

    String name;

    int age;

    // Constructor

    public Animal(String name, int age) {

        this.name = name;

        this.age = age;

    }

    // Abstract method

    public abstract void sound();

    // Method

    public void sleep() {

        System.out.println(name + " is sleeping.");

    }

    // Method to display details of the animal

    public void displayDetails() {

        System.out.println("Name: " + name + ", Age: " + age);

    }

}

// Child class Dog inheriting from Animal

class Dog extends Animal {

    // Additional property

    String breed;

    // Constructor

    public Dog(String name, int age, String breed) {

        // Call to parent class constructor

        super(name, age);

        this.breed = breed;

    }

    // Method overriding

    @Override

    public void sleep() {

        System.out.println(name + " the dog is sleeping.");

    }

    @Override

    public void sound() {

        System.out.println(name + " says Woof!");

    }

    // Additional method specific to Dog

    public void bark() {

        System.out.println(name + " is barking.");

    }

    @Override

    public void displayDetails() {

        super.displayDetails();

        System.out.println("Breed: " + breed);

    }

}

// Child class Cat inheriting from Animal

class Cat extends Animal {

    // Additional property

    String color;

    // Constructor

    public Cat(String name, int age, String color) {

        super(name, age);

        this.color = color;

    }

    // Method overriding

    @Override

    public void sleep() {

        System.out.println(name + " the cat is sleeping.");

    }

    @Override

    public void sound() {

        System.out.println(name + " says Meow!");

    }

    // Additional method specific to Cat

    public void meow() {

        System.out.println(name + " is meowing.");

    }

    @Override

    public void displayDetails() {

        super.displayDetails();

        System.out.println("Color: " + color);

    }

}

// Main class

public class Main {

    public static void main(String[] args) {

        // Create instances of Animal

        Animal[] animals = new Animal[3];

        animals[0] = new Dog("Buddy", 3, "Labrador");

        animals[1] = new Cat("Whiskers", 2, "White");

        animals[2] = new Dog("Rex", 4, "German Shepherd");

        // Display details and demonstrate polymorphism

        for (Animal animal : animals) {

            animal.displayDetails();

            animal.sleep();

            animal.sound();

            System.out.println();

        }

    }

}