public  static  void  main(String[]  args)  throws  Exception  {  
        DocumentBuilderFactory  dbf  =  DocumentBuilderFactory.newInstance();  
        DocumentBuilder  db  =  dbf.newDocumentBuilder();  
        Document  doc  =  db.parse(new  FileInputStream("C:\\q.xml"));  
        Element  e  =  doc.getDocumentElement();  
        printChildNodes(e.getChildNodes());
    } 
    
    public static void printChildNodes(NodeList list) {
        for  (int  i  =  0;  i  <  list.getLength();  i++)  {  
            Node  n  =  list.item(i);  
            System.out.println(n.getNodeName() + " : " + n.getNodeValue());
            printChildNodes(n.getChildNodes());
        }  
    }