Question

How to print the use of different characters (letters) in a string in C#

Answer 1

using System;

public class Program
{
	public static void Main(string[] args)
	{
		string str = "csharp programming language";

		int count = 0;
		int strsize = str.Length;
		
		for (char ch = 'a'; ch <= 'z'; ch++) {
			for (int i = 0; i < strsize; i++) {
				if (ch == str[i]) {
					Console.Write(ch + " ");
					count++;
					break;
				}
			}
		}

		Console.WriteLine("\nTotal number of different characters are: " + count);
	}
}





/*
run:
 
a c e g h i l m n o p r s u 
Total number of different characters are: 14
 
*/

 

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