Save an Element to a file with XElement.Save in CSharp

using System;/*w w  w. j a v  a 2 s . c  om*/
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {

        XElement bookParticipants =
         new XElement("Books",
         new XElement("Book",
         new XAttribute("type", "Author"),
         new XAttribute("experience", "first-time"),
         new XAttribute("language", "English"),
         new XElement("FirstName", "J"),
         new XElement("LastName", "R")));
        bookParticipants.Save("book.xml");
    }
}