Кирилл Деменев

package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Birds bird = new Birds();
        Cats cat = new Cats();

        System.out.print("There're some facts about birds and cats. \n" +
                " Choose number one of them(type 1(birds) or 2(cats): \n");

        int choice = in.nextInt();
        if (choice == 1) {
            System.out.print("There're some facts about birds. Write number one of them to see it: \n" +
                    "1. Paws' quantity; 2. Tail existing; 3. Mass; 4. Predators; 5. Flying ability; 6. The biggest Wings' Size \n");
            for (int i = 6; i != 0; i--) {
                int choice2 = in.nextInt();
                if (choice2 == 1)
                    System.out.println(bird.pawsQuantity);
                else if (choice2 == 2)
                    System.out.println(bird.tail);
                else if (choice2 == 3)
                    System.out.println(bird.mass);
                else if (choice2 == 4)
                    System.out.println(bird.predators);
                else if (choice2 == 5)
                    System.out.println(bird.flyingAbility);
                else if (choice2 == 6)
                    System.out.println(bird.theBiggestWingsSize);
            }
        }
        else if (choice == 2) {
            System.out.print("There're some facts about cats. Write number one of them to see it: \n" +
                    "1. Paws' quantity; 2. Tail existing; 3. Mass; 4. Predators; 5. Are they hiding claws?; 6. Do they piss in your sleepers? \n");

            for (int i = 6; i != 0; i--) {
                int choice2 = in.nextInt();
                if (choice2 == 1)
                    System.out.println(cat.pawsQuantity);
                else if (choice2 == 2)
                    System.out.println(cat.tail);
                else if (choice2 == 3)
                    System.out.println(cat.mass);
                else if (choice2 == 4)
                    System.out.println(cat.predators);
                else if (choice2 == 5)
                    System.out.println(cat.hideClaws);
                else if (choice2 == 6)
                    System.out.println(cat.howManyTimesTheyPissedInUrSleepers);
            }
        }
    }
}