using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            //Action委托
            Action a = new Action(Program.test);
            a();
            //Func委托：<int, int, int> 前n-1个参数代表参数类型，最后一个参数代表返回值类型（必须有返回值）
            Func<int, int, int> f = new Func<int, int, int>(Program.test);
            Console.WriteLine(f(1, 2));
            Console.Read();
        }

        public static void test()
        {
            Console.WriteLine("test");
        }

        public static int test(int a,int b)
        {
            Console.WriteLine(a + ":" + b);
            return 0;
        }
    }
}