import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.DocumentBuilder; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); Element rootElement = document.getDocumentElement(); for (int i = 0; i < nodeList.getLength(); i++) { Element element = (Element) nodeList.item(i); String textContent = element.getTextContent(); // ... } rootElement.appendChild(newElement); TransformerFactory transformerFactory = TransformerFactory.newInstance(); Transformer transformer = transformerFactory.newTransformer(); DOMSource source = new DOMSource(document); transformer.transform(source, result);