try{

        DocumentBuilderFactory docFactory=DocumentBuilderFactory.newInstance();
        DocumentBuilder docBulider=docFactory.newDocumentBuilder();
        Document config_doc=docBulider.parse("config/appconfig.xml");
        config_doc.getDocumentElement().normalize();
       Node n =config_doc.getDocumentElement();
      NodeList list= n.getChildNodes();
      for(int i=0;i<list.getLength();i++){
          System.out.print(list.item(i));
        if(list.item(i).getNodeName().equalsIgnoreCase("version-name")){
         name=list.item(i).getNodeValue();
        }

      }

        }
        catch (Exception e){e.printStackTrace();}