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 builder; public static DocumentBuilder getBuilder() { if (builder == null) try { builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (ParserConfigurationException e) { // TODO come up with some sort of recovery process e.printStackTrace(); } return builder; } }