using System;

public class Program

{

    public static void Main()

    {

        string strB = "Hello Codebuns.com";

​

        // indexOf()

        Console.WriteLine(strB.IndexOf('o')); // 4

        Console.WriteLine("\n\n-------------------Separator---------------------\n\n");

        // LastIndexOf()

        Console.WriteLine(strB.LastIndexOf('o')); // 16

​

    }

}