Operacii so String

using System;

namespace prvaAuditoriska
{
    class Program
    {
        static void Main(string[] args)
        {
            String ime = "Ivana";
            System.String prezime = "Andreevska";

            Console.WriteLine(ime + " " + prezime);
            Console.WriteLine(ime.ToUpper());
            Console.WriteLine(ime.IndexOf('i'));
            Console.WriteLine(ime.Substring(0, 2));
        }
    }
}