Java tutorial
//package com.java2s; import java.io.File; 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.Document; public class Main { private static Document dom; private static void writeTreeToXMLFile() { try { Source source = new DOMSource(dom); File file = new File("resources/Styles.xml"); Result result = new StreamResult(file); Transformer xformer = TransformerFactory.newInstance().newTransformer(); xformer.transform(source, result); System.out.println("End of write method"); } catch (Exception e) { e.printStackTrace(); } } }