Spring MVC - @RequestMapping produces Examples

import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
@RequestMapping("/users")
public class UserControllerProduce {

    @RequestMapping(produces = MediaType.APPLICATION_JSON_VALUE)
     public  @ResponseBody String handleJson() {
        System.out.println("Got json request");
        return "{ \"userName\": \"Joe\"}";
    }

    @RequestMapping(produces = MediaType.APPLICATION_XML_VALUE)
    public @ResponseBody  String handleXML() {
        System.out.println("Got xml request");
        return "<userName>Joe</userName>";
    }
}