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Use XPath to select node

import java.io.File; import org.jdom.Attribute; import org.jdom.Document; import org.jdom.Element; import org.jdom.input.SAXBuilder; import org.jdom.xpath.XPath; public class MainClass {     public static void main(String[] args) throws Exception {         SAXBuilder builder = new SAXBuilder();         Document doc = builder.build(new File("tds.xml"));         Attribute attr = (Attribute) XPath.selectSingleNode(doc, "/schedule/@name");         System.out.println(attr.getValue());                  Element el = new Element("parent").addContent(new Element("child").setAttribute("name", "value"));         System.out.println(XPath.selectSingleNode(new Attribute("foo", "bar"), "position()"));                  XPath path = XPath.newInstance("/schedule/@name");         System.out.println(path.valueOf(doc));     } }