Here you can find the source of newDocument()
public static Document newDocument() throws Exception
//package com.java2s; //License from project: Apache License import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; public class Main { public static Document newDocument() throws Exception { return newBuilder().newDocument(); }//from w w w . j ava 2 s . co m public static DocumentBuilder newBuilder() throws Exception { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); dbf.setIgnoringElementContentWhitespace(true); return dbf.newDocumentBuilder(); } }