import java.io.File;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.Element;


class CreateDomXml{
  public static void main(String[] args){
    try{
    //Create instance of DocumentBuilderFactory
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    //Get the DocumentBuilder
    DocumentBuilder docBuilder = factory.newDocumentBuilder();
    //Create blank DOM Document
        Document doc = docBuilder.newDocument();

    //create the root element
        Element root = doc.createElement("root");
    //all it to the xml tree
        doc.appendChild(root);
    
      //create a comment
      Comment comment = doc.createComment("This is comment");
      //add in the root element
      root.appendChild(comment);

    //create child element
    Element childElement = doc.createElement("Child");
    //Add the atribute to the child
    childElement.setAttribute("attribute1","The value of Attribute 1");
    root.appendChild(childElement);
    

    TransformerFactory tranFactory = TransformerFactory.newInstance(); 
    Transformer aTransformer = tranFactory.newTransformer(); 

    File file=new File("c:\\Ravi\\a.xml");
    Source src = new DOMSource(doc); 
    //Result dest = new StreamResult(System.out); 
    Result dest = new StreamResult(file); 
    aTransformer.transform(src, dest); 


    }catch(Exception e){
      System.out.println(e.getMessage());
    }


  }//main
}//class