C#_OOP_Principles_Manager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Exam
{
    class Manager
    {
        private AnimalInterface animal;

        public AnimalInterface Anima
        {
            get { return animal; }
            set { animal = value; }
        }

        public Manager()
        { }

        public Manager(AnimalInterface animal)
        {
            this.animal = animal;
        }

        public void IntroduceAnimal()
        {
            if (animal == null)
            {
                Console.WriteLine("There is no animal");
            }
            else {
                Console.WriteLine(animal.IntroduceYourSelf());
            }
        }
    }
}