System.out.println("Asking the service to add a new user " + user + " and also say hi");
try {
System.out.println(service.sayHi(user));
System.out.println(service.sayHiToUser(new UserImpl(user)));
} catch (WebApplicationException ex) {
throw new RuntimeException("Everyone can invoke sayHi and sayHiToUser");
}
System.out.println("Getting the list of existing users");