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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string name;

            Hello("Fred");

            name = "Tom";
            Hello(name);

            Console.ReadKey();  // Pause
        }

        static void Hello(string someName)
        {
            Console.WriteLine(someName);
        }
    }
}