private static void Main(string[] args) { #region 类 Console.WriteLine("女神拿到了戚风蛋糕"); Console.WriteLine("女神开始制作黑森林蛋糕"); ICake cake = new CakeProcess(); cake.Make(); Console.ReadLine(); #endregion 类 #region 对象 Console.WriteLine("小明同学喜欢天使蛋糕"); Console.WriteLine("女神开始修改黑森林蛋糕"); BlackForestCake blackCake = new AngleCakeProcess(); blackCake.State(); Console.ReadLine(); #endregion 对象 }