@Slf4j @RestController @RequestMapping("/mapping-class/users") public class MappingClassController { @GetMapping public String users(){ return "get users"; } @PostMapping public String addUser(){ return "post user"; } @GetMapping("/{userId}") public String findUser(@PathVariable String userId){ return "get user" +userId; } @PatchMapping("/{userId}") public String updateUser(@PathVariable String ..