public static void Main(string[] args)
        {
            // Create the factory object
            var shipFactory = new EnemyShipFactory();
            // Enemy ship object

            EnemyShip theEnemy = null;

            Console.WriteLine("What type of ship? (U / R / B)");
            var userInput = Console.ReadLine().ToLower();

            if (!(userInput == "u" | userInput == "r" | userInput == "b"))
            {
                return;
            }
            var typeOfShip = userInput;

            theEnemy = shipFactory.MakeEnemyShip(typeOfShip);
            if (theEnemy != null)
            {
                DoStuffEnemy(theEnemy);
            }
            else
            {
                Console.Write("Please enter U, R, or B next time");
            }
            Console.ReadKey();
        }
 private static void DoStuffEnemy(EnemyShip enemyShip)
 {
     if (enemyShip == null)
     {
         return;
     }
     enemyShip.DisplayEnemyShip();
     enemyShip.FollowHeroShip();
     enemyShip.EnemyShipShoots();
 }
 // Executes methods of the super class
 public static void DoStuffEnemy(EnemyShip anEnemyShip)
 {
     anEnemyShip.DisplayEnemyShip();
     anEnemyShip.FollowHeroShip();
     anEnemyShip.EnemyShipShoots();
 }