static void Main(string[] args) { Console.Title = "果园引进新品种"; Orchard appleOrchard = new AppleOrchard(); //创建苹果园实例 Fruit apple = appleOrchard.CreateFruit(); //苹果园创建苹果实例 apple.Plant(); //种植苹果 Orchard orangeOrchard = new OrangeOrchard(); //创建桔子园实例 Fruit orange = orangeOrchard.CreateFruit(); //桔子园创建桔子实例 orange.Plant(); //种植桔子 Orchard bananaOrchard = new BananaOrchard(); //创建香蕉园实例 Fruit banana = bananaOrchard.CreateFruit(); //香蕉园创建香蕉实例 banana.Plant(); //种植香蕉 Console.Read(); }