Visual c# 2008 Hello (Unicode) World (Hexidecimal)...

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

namespace HelloWorld
{
   class Program
   {
      static void Main(string[] args)
      {
         ConsoleTitle();
         Greeting();
      }
      static void Greeting()
      {
         string strHello = "\u0048\u0065\u006C\u006C\u006f\n";
         // Unicode of Hello
         string strWorld = "\x77\x6F\x72\x6c\x64\x21\b";
         // Hexidecimal of world
         Console.Write("{0}", strHello);
         Console.Write("{0}", strWorld);
         Console.ReadLine();
      }
      static void ConsoleTitle()
      {
         string strTitle = "Hello(Unicode) World(Hexidecimal) v0.01";
         Console.Title = strTitle;
      }
   }
}