Count of each character and total character to the given input string using user defined method.

class Program

    {

        public static Dictionary<char, int> Count(string stringToCount)

        {

            Dictionary<char, int> charcount = new Dictionary<char, int>();

            foreach (var charchar in stringToCount) 

            {

                if (!charcount.ContainsKey(charchar)) 

                {

                    charcount.Add(charchar, 1); 

                } 

                else 

                {

                    charcount[charchar]++; 

                }

            }

            return charcount;

        }

        static void Main(string[] args) 

        {

            Console.WriteLine("Enter the string :");

            string str = Console.ReadLine();

            var count = Program.Count(str);

            foreach (var character in count) 

            {

                Console.WriteLine("{0}-{1}", character.Key, character.Value);

            }

            Console.WriteLine("Total number of characters: {0}", str.Count());

            Console.ReadLine();

        } 

    }

Output: