How to create xml file in java

Simple example to create a xml file in Java

package com.xml;

import java.io.File;
import java.io.StringWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

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

public class Main {
    public static void main (String[] args) {
        try {
            //Create Document
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document document = builder.newDocument();

            //Books Tag - Root Tag
            Element books = document.createElement("books");
            document.appendChild(books);

            //Book Tag - Child Tag
            Element book1 = document.createElement("book");
            books.appendChild(book1);

            Element name = document.createElement("name");
            name.setTextContent("Head First EJB");
            book1.appendChild(name);

            Element author = document.createElement("author");
            author.setTextContent("Kathy Seira");
            book1.appendChild(author);

            //Transform Document Object
            TransformerFactory tfactory = TransformerFactory.newInstance();
            Transformer transformer = tfactory.newTransformer();
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            
            DOMSource source = new DOMSource(document);

            //To write the dom object into a file
            StreamResult result = new StreamResult(new File("books.xml"));
            transformer.transform(source, result);

            //To write the dom object content into string
            StringWriter writer = new StringWriter();
            StreamResult result1 = new StreamResult(writer);
            transformer.transform(source, result1);

            //System.out.println (writer.toString());
            
        }catch (ParserConfigurationException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }catch (TransformerConfigurationException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }  catch (TransformerException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        } 
        
    }
}

The output of the program

Head First EJB
Kathy Seira