public   class  HelloWorld {
	 public  String sayHello(String sender) {
		 return  "Hello " + sender + "!";
	}
}

            String url = "http://127.0.0.1:8080/axis/HelloWorld.jws";
            String sender = "Sender";
            Service service =  new  Service();
            Call call = (Call) service.createCall();

            call.setTargetEndpointAddress( new  URL(url));
            call.setSOAPActionURI("sayHello");
            call.setEncodingStyle(NamespaceConstants.NSURI_SOAP_ENCODING);
            call.setOperationName( new  QName("urn:helloworld", "sayHello"));

            String hello = (String) call.invoke( new  Object[] {sender});

            System.out.println("The Web Service returned:" + hello);