使用C＃逻辑的子串 [英] Substring using C# logic

问题描述

我有一个字符串是ABCD1234，如果我使用substring来剪切字符串如下：

Hi, I have a string which is "ABCD1234", if I use substring to cut the string as below:

string strOld = "ABCD1234"
string strNew = strOld.Substring(4, 7);

输出是否为1234即使我在值4后不再重视？

我无法在我的电脑上调试它，因为我的电脑已经去了维修店。任何帮助将不胜感激。

Would the output be "1234" even I do not value anymore after the value "4"?
I can't debug it at my PC as my PC has gone for repair shop. Any help would be appreciated.

推荐答案

不。我尝试在这里运行代码 http://www.tutorialspoint.com/compile_csharp_online.php [ ^ ]



我'已将数字7更改为4以输出1234.

Nope. I tried running the code through here http://www.tutorialspoint.com/compile_csharp_online.php[^]

I've changed the number 7 to 4 to output 1234.

using System.IO;
using System;

class Program
{
    static void Main()
    {
        string strOld = "ABCD1234";
        string strNew = strOld.Substring(4, 4);
        Console.WriteLine(strNew);
    }
}

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