private static void InsertItem(string key, long value, Bag bag) { if (key.Length == 3) { CashItem cash = new CashItem(key, value); bag.AddCashItem(cash); } else if (key.Length >= 4 && key.ToLower().EndsWith("gem")) { GemItem gem = new GemItem(key, value); bag.AddGemItem(gem); } else if (key.ToLower().Equals("gold")) { GoldItem gold = new GoldItem(key, value); bag.AddGoldItem(gold); } }