コード例 #1
0
        private static double BankFactory(int amount, int bankType)
        {
            IBank[] randomBank = new IBank[2];
            randomBank[0] = new BankOne();
            randomBank[1] = new BankTwo();

            Random random = new Random();
            var    pick   = random.Next(3);
            IBank  bank   = null;


            switch (bankType)
            {
            case 1:
                bank = new BankOne();
                break;

            case 2:
                bank = new BankTwo();
                break;

            default:
                bank = randomBank[pick - 1];
                break;
            }

            return(bank.GetCharge(amount));
        }