### Question:
DefaultHelloService implements HelloService { public String sayHello( String who ) { return "Hello " + who; }  String sayHello( String who );  }### Answer:
@Test public void testSayHello() { HelloService service = JAXRSClientFactory.create( "http: HelloService.class ); String who = "foo"; assertEquals( "Hello "+who, service.sayHello( who ) ); }