java读XML文件

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class XmlRead {
public static void main(String[] args) throws SAXException, IOException {
	try {
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		DocumentBuilder builder = factory.newDocumentBuilder();
		Document document = builder.parse(new File("language.xml"));
		Element root =document.getDocumentElement();
		System.out.println("<language cat = \""+root.getAttribute("cat")+"\">");
		NodeList list = root.getElementsByTagName("lan");
		for(int i=0;i<list.getLength();i++){
			Element lan = (Element) list.item(i);
			System.out.println("\t<lan id = \""+lan.getAttribute("id")+"\">");
			NodeList clist = lan.getChildNodes();
			for (int j = 0; j < clist.getLength(); j++) {
				Node c = clist.item(j);
				if (c instanceof Element) {
					System.out.println("\t\t<"+c.getNodeName()+">"+c.getTextContent()+"</"+c.getNodeName()+">");
				}
			}
			System.out.println("\t</lan>");
		}
		System.out.println("</language>");
	} catch (ParserConfigurationException e) {

	}
}
}