TodoController.java

@RestController
@RequestMapping("/todos")
public class TodoController {

    @Autowired
    private TodoService todoService;

    @GetMapping
    public ResponseEntity<?> getAll() {
        // list all
    }

    @GetMapping("/{id}")
    public ResponseEntity<?> getById(@PathVariable Long id) {
        // get by id (GET)
    }

    @PostMapping
    public ResponseEntity<?> create(@RequestBody TodoDto todoDto) {
        // create a todo (POST)
    }

    @PutMapping("/{id}")
    public ResponseEntity<?> update(@PathVariable Long id, @RequestBody TodoDto todoDto) {
        // update a todo (PUT)
    }

    @DeleteMapping("/{id}")
    public ResponseEntity<?> delete(@PathVariable Long id) {
        // delete a todo (DELETE)
    }

}