Here you can find the source of createDocument()
private static Document createDocument()
//package com.java2s; //License from project: Apache License import org.w3c.dom.Document; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; public class Main { /**//from w w w . j a v a 2 s . com * @return New XML document from the default document builder factory. */ private static Document createDocument() { DocumentBuilderFactory factory = DocumentBuilderFactory .newInstance(); DocumentBuilder builder; try { builder = factory.newDocumentBuilder(); } catch (ParserConfigurationException e) { throw new RuntimeException(e.getMessage(), e); } return builder.newDocument(); } }