XML LINQ C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using System.Xml.Linq;
using System.IO;
public class MainClass{
   public static void Main(string[] args){   
      XDocument ThisDoc = new XDocument(
            new XDeclaration("1.0", "utf-8", "yes"),
            new XElement("Contacts",
               new XElement("Contact",
                  new XElement("Name", "J"),
                  new XElement("Address1", "123 First St."),
                  new XElement("Address2", "Suite 3"),
                  new XElement("City", "City"),
                  new XElement("State", "WI"),
                  new XElement("ZIP", "99999-9999")),
                // A second contact.
               new XElement("Contact",
                  new XElement("Name", "G"),
                  new XElement("Address1", "99 North Rd."),
                  new XElement("Address2", "First Floor"),
                  new XElement("City", "Somewhere"),
                  new XElement("State", "CA"),
                  new XElement("ZIP", "88888-8888"))));
      // Display the result.
      Console.WriteLine(ThisDoc.Declaration.ToString() + ThisDoc.Document.ToString());
   }
}