Question

Java: Write a class Cow with attributes name (string) and numLegs (int). Do not make the attributes private. Make a constructor with two parameters to instantiate the attributes, and a toString method that prints only the name, a comma, a space, and the number of legs (e.g. Bossie, 3).

Add a main method that makes two cows, Bossie with 3 legs and Elsie with 4 legs, and puts them into an ArrayList. Print the ArrayList, one element per line, using an enhanced for loop.

Answer 1

import java.util.ArrayList;

public class Cow {

    private String name;
    private int numLegs;

    public Cow(String name, int numLegs) {
        this.name = name;
        this.numLegs = numLegs;
    }

    @Override
    public String toString() {
        return name + ", " + numLegs;
    }

    public static void main(String[] args) {
        ArrayList<Cow> cows = new ArrayList<>();
        cows.add(new Cow("Bossie", 3));
        cows.add(new Cow("Elsie", 4));
        for (Cow cow: cows) {
            System.out.println(cow);
        }
    }
}