Web Services SOA Java Tutorial

import javax.jws.WebService;
import javax.jws.WebMethod;
@WebService(
    name="Calculator",
    serviceName="CalculatorService",
    targetNamespace="http://yourserver.com/sample"
)
public class Calculator {
        public Calculator() {}
        
        @WebMethod(operationName="add", action="urn:Add")
        public int add(int i, int j) {
            int k = i +j ;
            System.out.println(i + "+" + j +" = " + k);
            return k;
        }
}
import javax.xml.ws.WebServiceRef;
public class JAXWSClient {
  public static void main(String[] args) throws Exception {
    @WebServiceRef(wsdlLocation = "http://localhost:8080/jaxws-webservice/CalculatorService?WSDL")
    static CalculatorService service;
    Calculator port = service.getCalculatorPort();
    int ret = port.add(1, 10);
    System.out.println(ret);
  }
}