dotNetAdvcdGrammer/dotNetAdvancedGrammer/Program.cs

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

namespace Indexer
{
    class Program
    {
        static void Main(string[] args)
        {
            IndexerClass obj = new IndexerClass();
            obj[1] = 1024;
            int i = obj[1];
            Console.WriteLine(i);
        }
    }
}