using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string abc = "hello";

        var obj = Numberofocurrances(abc);

foreach (var t in obj)

{

Console.WriteLine(t.Key +"has occurred"+ t.Value+ "times");

}

        Console.ReadLine();

    }

    private static Dictionary<string, int> Numberofocurrances(string strconst)

{

return strconst.GroupBy(x => x).Select( x =>new

{

Key= x.Key.ToString(),

Value = x.Count()

}).ToDictionary(t=>t.Key,t=>t.Value);

}

}

​

​

​