c#第四章示例2

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication8{    class Program    {        static void Main(string[] args)        {            string inputString;            string[] SplitStrings;            string joinString;            Console.WriteLine("请输入一串字符串，用空格分隔单词：");            inputString = Console.ReadLine();            SplitStrings=inputString.Split（' ');            Console.WriteLine("\n分隔后的字符串为：");            foreach(string s in SplitStrings)            {            Console.WriteLine(s);            }        joinString =string .Join("_",SplitStrings);        Console.WriteLine("\n连接后的新字符串为：{0}",joinString);        }    }}