programming-examples/c-sharp/Linq/C# Sharp to display the characters and frequency of character from giving string.cs

using System;
using System.Linq;
using System.Collections.Generic;

class LinqExercise5
{
    static void Main(string[] args)
    {
        string str;
        Console.Write("\nLINQ : Display the characters and frequency of character from giving string : ");
        Console.Write("\n----------------------------------------------------------------------------\n");
        Console.Write("Input the string : ");
        str= Console.ReadLine();
        Console.Write("\n");
        var FreQ = from x in str
                   group x by x into y
                   select y;
        Console.Write("The frequency of the characters are :\n");
        foreach(var ArrEle in FreQ)
            {
                Console.WriteLine("Character "+ArrEle.Key + ": " + ArrEle.Count()+" times");
            }
    }
}