using System;
using System.Collections.Generic;
using System.Text;

namespace _8_2
{
    class Program
    {
        public delegate float calcincome(float hourlywages);

        //委托可以打包成属性或者类的静态成员
        public static readonly calcincome monthlyincome = new calcincome(person.calcmonthlyincome);
        public static readonly calcincome annualincome = new calcincome(person.calcannualincome);
       
        static void Main(string[] args)
        {
            try
            {
                Console.WriteLine(Program.monthlyincome(40));
                Console.WriteLine(Program.annualincome(40));
            }
            catch (Exception e)
            {
                Console.WriteLine(e.StackTrace);
            }

        }
    }

    public class person
    {
        public float income;
        public static float calcmonthlyincome(float hourlywages)
        {
            return hourlywages * 60;
        }

        public static float calcannualincome(float hourlywages)
        {
            return hourlywages * 160 * 12;
        }
    }
}

评论