Here you can find the source of newDocument()
public static org.w3c.dom.Document newDocument() throws ParserConfigurationException
//package com.java2s; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; public class Main { public static org.w3c.dom.Document newDocument() throws ParserConfigurationException { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); return builder.newDocument(); }//from ww w .j a va 2s .c o m }