public static void TestWithInterfaces()
        {
            Console.WriteLine("##### TESTING WITH INTERFACES #####\n");


            ICow  cow  = new ICow("Marguerite");
            ILion lion = new ILion("Mufasa");

            ISnake  snake  = new ISnake("Kaa");
            ILizard lizard = new ILizard("Rango");

            IPlatypus platypus = new IPlatypus("Perry");


            cow.Eat("grass");
            cow.Move();
            cow.Lactate();

            LineBreak();

            lion.Eat("meat");
            lion.Move();
            lion.Lactate();

            LineBreak();

            snake.Eat("small animals");
            snake.Move();
            snake.LayEggs();

            LineBreak();

            lizard.Eat("insects");
            lizard.Move();
            lizard.LayEggs();

            LineBreak();

            platypus.Eat("insects");
            platypus.Move();
            platypus.Lactate();
            platypus.LayEggs();

            LineBreak();

            Console.WriteLine("# CREATING ZOO ...");
            IZoo zoo = new IZoo();

            zoo.AddAnimal(cow);
            zoo.AddAnimal(lion);
            zoo.AddAnimal(snake);
            zoo.AddAnimal(lizard);
            zoo.AddAnimal(platypus);

            LineBreak();

            zoo.MakeAllEat();

            LineBreak();

            zoo.MakeAllWalk();

            Console.WriteLine("# SERIALIZING ZOO ...");
            zoo.SerializeZoo();

            Console.WriteLine("# CREATING NEW ZOO FROM SERIALIZED ZOO ...");
            IZoo newZoo = zoo.DeserializeZoo();

            LineBreak();

            Console.WriteLine("# TESTING NEW ZOO :");
            newZoo.MakeAllEat();


            Console.WriteLine("\n\n");
        }