public override void OptionTwo()
        {
            // TODO : Fill with method to show all animals.
            ClearDetailsScreen();
            Print(12, (Console.WindowWidth / 2 + 30), "Animals");
            Print(15, (Console.WindowWidth / 2 + 20), "Animal type  //  Specimen");
            int currentRow = 1;

            foreach (AnimalSpeciesType animalType in Enum.GetValues(typeof(AnimalSpeciesType)))
            {
                Print(15 + currentRow, (Console.WindowWidth / 2 + 20),
                      String.Format("{0,-15}  {1,7}",
                                    animalType, ZooManagement.CountAnimalsByType(animalType)));
                currentRow++;
            }
            Console.ReadKey();
        }
        public override void OptionThree()
        {
            // TODO : Fill with method to show all employees.
            ClearDetailsScreen();
            Print(12, (Console.WindowWidth / 2 + 30), "Employees");
            Print(15, (Console.WindowWidth / 2 + 20), "Position     //    Count");
            int currentRow = 1;

            foreach (Position position in Enum.GetValues(typeof(Position)))
            {
                Print(15 + currentRow, (Console.WindowWidth / 2 + 20),
                      String.Format("{0,-15}  {1,7}",
                                    position, ZooManagement.CountEmployeesByPosition(position)));
                currentRow++;
            }
            Console.ReadKey();
        }
        public override void OptionOne()
        {
            // TODO : Fill with method to show empty cages.
            ClearDetailsScreen();
            Print(12, (Console.WindowWidth / 2 + 30), "Empy cages");
            Print(15, (Console.WindowWidth / 2 + 20), "Cage type    //  Available");
            int currentRow = 1;

            foreach (HabitatType habitat in Enum.GetValues(typeof(HabitatType)))
            {
                Print(15 + currentRow * 3, (Console.WindowWidth / 2 + 20),
                      String.Format("{0,-15}  {1,5}",
                                    habitat, ZooManagement.CountCagesByTypeAndOccupation(habitat, 0)));
                currentRow++;
            }
            Console.ReadKey();
        }