using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;



namespace staticTest

{

    class Program

    {

        public static List<string> StrList;

        static void Main(string[] args)

        {

            StrList = new List<string>();

            ThreadPool.QueueUserWorkItem(new WaitCallback(ReadStr));



            while (true)

            {

                StrList = new List<string>();

                var length = Int32.Parse(Console.ReadLine());

                for (int i = 0; i < length; i++)

                {

                    StrList.Add(i.ToString());

                }

                Console.WriteLine("初始化{0}个元素", StrList.Count);

            }

        }



        static void ReadStr(object args)

        {

            var rds = new ReadStrList(StrList);

            while (true)

            {

                rds.Read();

                Thread.Sleep(5000);

            }

        }



        public class ReadStrList

        {

            List<string> _StrList;

            public ReadStrList(List<string> strList)

            {

                this._StrList = strList;

            }



            public void Read()

            {