aaa

import java.util.Random;
public class lab3 {



    public static void main(String[] args) {

        class Animal{
            String name;
            double mass;
            int no_legs;
            int no_eyes;
            //method countExtremities();


        }

        class Mammal extends Animal{
            int no_arms;

            public Mammal(){
                mass = Math.random();
                no_legs = 2;
                no_eyes = 2;
                no_arms = 2;
            }

        }

        class Human extends Mammal{

            public Human(String nam){
                super.name = nam;
            }
        }

        class Cat extends Mammal{
            public Cat(String nam){
                super.name = nam;
            }
        }

        class Dog extends Mammal{
            public Dog(String nam){
                super.name = nam;
            }
        }

        class Bird extends Animal{
            public Bird(){
            mass = Math.random();
            no_legs = 2;
            no_eyes = 2;
            }
        }

        class Sparrow extends Bird{
            public Sparrow(String nam){
                super.name = nam;
            }
        }

        class Hummingbird extends Bird{
            public Hummingbird(String nam){
                super.name = nam;
            }
        }

        class Snail extends Animal{
            public Snail(){
            mass = Math.random();
            no_legs = 0;
            no_eyes = 1;
            }
        }

        class Pulmonata extends Snail{
            public Pulmonata(String nam){
                super.name = nam;
            }
        }

        Animal myanimal[] = new Animal[20];
        myanimal[0] = new Human("Lucy");
        myanimal[1] = new Human("Jim");
        myanimal[2] = new Human("Sally");
        myanimal[3] = new Human("Will");
        myanimal[4] = new Cat("cat1");
        myanimal[5] = new Cat("cat2");
        myanimal[6] = new Dog("dog1");
        myanimal[7] = new Sparrow("sparrow1");
        myanimal[8] = new Hummingbird("hummingbird1");
        myanimal[9] = new Hummingbird("hummingbird2");
        myanimal[10] = new Pulmonata("pulmonata1");
        myanimal[11] = new Pulmonata("pulmonata2");
        int i=0;
        for(Object anim : myanimal){
            System.out.println(myanimal[i].name + " " + myanimal[i].mass + " " + myanimal[i].no_legs + " " + myanimal[i].no_eyes );
            i++;
        }

    }
}