学习csharp高级编程

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

namespace _001_字符串string {
    class Program {
        static void Main（string[] args）
        {
            //string s = “www.devsiki.com“;//我们使用string类型去存储字符串类型  字符串需要使用双引号引起来
            //int length = s.Length;

            //if （s == “www.devsiki.com“） {
            //    Console.Write（“相同“）;
            //}
            //else
            //{
            //    Console.Write（“不相同“）;
            //}
            //Console.Write（length）;
            //s = “http://“ + s;
            //Console.Write（s）;
            //char c = s[3];
            //Console.WriteLine（c）;
            //for （int i = 0; i < s.Length; i++）
            //{
            //    

 属性            大小     日期    时间   名称
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     目录           0  2015-09-12 14:19  学习csharp编程 高级篇\
     目录           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\
     文件        2580  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\001-字符串string.csproj
     文件         187  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\App.config
     文件        2194  2015-09-05 11:49  学习csharp编程 高级篇\001-字符串string\Program.cs
     目录           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\Properties\
     文件        1358  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\Properties\AssemblyInfo.cs
     目录           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\bin\
     目录           0  2015-09-04 20:19  学习csharp编程 高级篇\001-字符串string\bin\Debug\
     文件        5120  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\bin\Debug\001-字符串string.exe
     文件         187  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\bin\Debug\001-字符串string.exe.config
     文件       13824  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\bin\Debug\001-字符串string.pdb
     文件       22984  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\bin\Debug\001-字符串string.vshost.exe
     文件         187  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\bin\Debug\001-字符串string.vshost.exe.config
     目录           0  2015-09-12 14:33  学习csharp编程 高级篇\001-字符串string\bin\Release\
     目录           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\obj\
     目录           0  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\obj\Debug\
     文件         874  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\obj\Debug\001-字符串string.csproj.FileListAbsolute.txt
     文件        1753  2015-09-04 20:19  学习csharp编程 高级篇\001-字符串string\obj\Debug\001-字符串string.csprojResolveAssemblyReference.cache
     文件        5120  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\obj\Debug\001-字符串string.exe
     文件       13824  2015-09-05 12:12  学习csharp编程 高级篇\001-字符串string\obj\Debug\001-字符串string.pdb
     文件        6752  2015-09-05 14:51  学习csharp编程 高级篇\001-字符串string\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     目录           0  2015-09-12 14:33  学习csharp编程 高级篇\001-字符串string\obj\Debug\TempPE\
     文件           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
     文件           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
     文件           0  2015-09-04 20:15  学习csharp编程 高级篇\001-字符串string\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
     目录           0  2015-09-05 11:48  学习csharp编程 高级篇\002-字符串StringBuilder\
     文件        2594  2015-09-05 12:12  学习csharp编程 高级篇\002-字符串StringBuilder\002-字符串StringBuilder.csproj
     文件         187  2015-09-05 11:48  学习csharp编程 高级篇\002-字符串StringBuilder\App.config
     文件        1214  2015-09-05 13:14  学习csharp编程 高级篇\002-字符串StringBuilder\Program.cs
     目录           0  2015-09-05 11:48  学习csharp编程 高级篇\002-字符串StringBuilder\Properties\
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