static void Main(string[] args) { System.Console.WriteLine("OMGHAI!"); var app = new Program() { Items = new List <IItem> { new NormalItem("+5 Dexterity Vest", 10, 20), new FancyItem("Aged Brie", 2, 0), new NormalItem("Elixir of the Mongoose", 5, 7), new LegendaryItem("Sulfuras, Hand of Ragnaros"), new ExclusiveItem("Backstage passes to a TAFKAL80ETC concert", 15, 20), new ConjuredItem("Conjured Mana Cake", 3, 6) } }; app.UpdateItems(); System.Console.ReadKey(); }