hybrid level inheritance

 public class hybridlevelinheritance {

    public static void main(String[] args) {

        Mammal human = new Mammal();

        human.legs = 2;

        System.out.println(human.legs);

        human.breath();

        ;

        Bird eagle = new Bird();

        eagle.wings = 2;

        System.out.println(eagle.wings);

        eagle.eat();

        Fish shark = new Fish();

        shark.eat();

        shark.fins = 3;

        System.out.println(shark.fins);

    }

}

class Animal {

    String color;

    void eat() {

        System.out.println("Eats..");

    }

    void breath() {

        System.out.println("Breathes..");

    }

}

class Mammal extends Animal {

    int legs;

    void walks() {

        System.out.println("Walks...");

    }

}

class Bird extends Animal {

    int wings;

    void fly() {

        System.out.println("Flies..");

    }

}

class Fish extends Animal {

    int fins;

    void swim() {

        System.out.println("Swims..");

    }

}