Question

How to use StringBuilder with indexer in C#

Answer 1

using System;
using System.Text;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static string SetSB(StringBuilder sb, string[] arr)
        {
            foreach (string s in arr)
            {
                sb.Append(s).AppendLine();
            }

            return sb.ToString();
        }
        static void Main(string[] args)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("c#");
            sb.AppendLine();
            sb.Append("java").AppendLine();
            sb.Append("c++");

            Console.WriteLine(sb[0]);
            Console.WriteLine(sb[1]);
            Console.WriteLine(sb[3]);
            Console.WriteLine(sb[4]);
        }
    }
}

/*
run:
  
c
#


j

*/

 

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