DocumentBuilderFactory factory =
          DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse("priceList.xml");
 
 
// Update the document. I.e., setNodeValue(someStringValue)
 
 
TransformerFactory transFactory =
        TransformerFactory.newInstance();
Transformer transformer = transFactory.newTransformer();
DOMSource source = new DOMSource(document);
File newXML = new File("newXML.xml");
FileOutputStream os = new FileOutputStream(newXML);
StreamResult result = new StreamResult(os);
transformer.transform(source, result);