Java tutorial
//package com.java2s; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; public class Main { private static DocumentBuilder docBuilder; private static DocumentBuilder getDocumentBuilder() throws ParserConfigurationException { if (docBuilder == null) { docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); } else { docBuilder.reset(); } return docBuilder; } }