static void Main(string[] args) { Manager chucky = new Manager("Chucky", 50, 92, 10000, "233-23-2333", 9000); chucky.GiveBonus(300); chucky.DisPlay(); double cost = chucky.GetBenefitsCost();//利用委托,外部无法发现GetBenefitsCost()是BenefitsPackage类的方法 Console.WriteLine(cost); //OuterClass.PublicInnerClass inner=new OuterClass.PublicInnerClass(); //inner.publicIntNum = 7; SalesPerson fran = new SalesPerson("Fran", 43, 93, 3000, "932-32-3232", 31); fran.GiveBonus(200); fran.DisPlay(); Console.ReadLine(); }