@Controller @RequestMapping("/api") public class HelloController { @GetMapping("/hello") @ResponseBody public String hello() { return "Hello World!"; } @GetMapping("/get") @ResponseBody public String get() { return "GET Method 요청"; } @PostMapping("/post") @ResponseBody public String post() { return "POST Method 요청"; } @PutMapping("/put") @ResponseBody public String put() { return "PUT Method 요청"..