using System;
using System.Collections.Generic;
using System.Text;

namespace DemoOOP5
{
    class Zoo
    {
        // Attributes
        private List<Animal> _animalList;

        // Constructors
        public Zoo()
        {
            _animalList = new List<Animal>();
        }

        // Properties

        // Methods
        public void AddAnimal(Animal animal)
        {
            // Add animal object to list
            _animalList.Add(animal);
        }

        public void WakeUpZoo()
        {
            foreach (Animal animal in _animalList)
            {
                Console.WriteLine(animal.MakeNoise());
            }
        }
    }
}