web service

I am working on web service client.
the below code was copied and a little bit changed.
But this code does not work..
Woudl you please help how i can solve this


    import java.net.URL;

    import javax.xml.rpc.ServiceFactory;
    import javax.xml.rpc.Service;
    import javax.xml.rpc.Call;
   
    import javax.xml.namespace.QName;

    public class Main {

      public static void main(String[] args) throws Exception {

        System.setProperty( "javax.xml.rpc.ServiceFactory", "com.sun.xml.rpc.client.ServiceFactoryImpl");
        ServiceFactory factory = ServiceFactory.newInstance();
        URL wsdlLocation = new URL("http://services.xmethods.net/soap/urn:xmethods-delayed-quotes.wsdl");
       
        String targetNamespace = "http://www.themindelectric.com/wsdl/net.xmethods.services.stockquote.StockQuote/";
        QName serviceName = new QName(targetNamespace, "net.xmethods.services.stockquote.StockQuoteService");
        QName portName = new QName(targetNamespace, "net.xmethods.services.stockquote.StockQuotePort");
        QName operationName = new QName("urn:xmethods-delayed-quotes", "getQuote");

        // create service
        Service service = factory.createService(wsdlLocation, serviceName);
        // create call
        Call call = service.createCall(portName, operationName);
        // invoke the remote web service
        Float result = (Float) call.invoke(new Object[] {"BEAS"});
        System.out.println(result);
     
      }

    }