@RequestMapping

@RestController

@Controller

@ResponseStatus

@GetMapping("/hello/{name}")
public String hello(@PathVariable String name) {
    return "Hello, " + name + "!";
}

@GetMapping("/hello/{name}")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

@GetMapping("/hello")
public String hello(@PathVariable String name) {
    return "Hello, " + name + "!";
}

@GetMapping("/hello")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

@ResponseBody

@RequestMapping

@RestController

@ResponseStatus

@ExceptionHandler

@ResponseStatus

@RequestBody

@ResponseBody

@ResponseBody

@RequestMapping

@ResponseStatus

@RestController

@PostMapping("/hello")
public String hello(@RequestBody String body) {
    return "Hello, " + body + "!";
}

@GetMapping("/hello")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

@PostMapping("/hello")
public String hello(@PathParam String name) {
    return "Hello, " + name + "!";
}

@GetMapping("/hello")
public String hello(@RequestBody String body) {
    return "Hello, " + body + "!";
}

@RequestMapping

@ResponseBody

@Controller

@RequestMethod

@RequestMapping

@ResponseBody

@RestController

@Controller