Question

How to cause ArgumentOutOfRangeException error in C#

Answer 1

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "c# java";

            try
            {
                string subs = s.Substring(-1);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
        }
    }
}


/*
run:
 
System.ArgumentOutOfRangeException: StartIndex cannot be less than zero.
Parameter name: startIndex
   at System.String.Substring(Int32 startIndex, Int32 length)
   at System.String.Substring(Int32 startIndex)
   at ConsoleApplication_C_Sharp.Program.Main(String[] args) in d:\Conso
leApplication_C_Sharp\ConsoleApplication_C_Sharp\Program.cs:line 13

*/

 

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