how to retrieve from xml file in java code example

Example: java read xml

String dir = System.getProperty("user.dir");
File inputFile = new File(dir + File.separator + "dats.xml");
DocumentBuilderFactory dbFactory =
	DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(inputFile);
doc.getDocumentElement().normalize();
/*
Elimina nodos vacíos y combina adyacentes en caso de que los
hubiera
*/