인프런 커뮤니티 질문&답변

package hello.itemservice.web.validation;

import hello.itemservice.domain.item.Item;
import hello.itemservice.domain.item.ItemRepository;
import hello.itemservice.domain.item.SaveCheck;
import hello.itemservice.domain.item.UpdateCheck;
import java.util.List;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

@Slf4j
@Controller
@RequestMapping("/validation/v3/items")
@RequiredArgsConstructor
public class ValidationItemControllerV3 {

    private final ItemRepository itemRepository;

    @GetMapping("/{itemId}")
    public String item(@PathVariable long itemId, Model model) {
        Item item = itemRepository.findById(itemId);
        model.addAttribute("item", item);
        return "validation/v3/item";
    }

    @GetMapping("/add")
    public String addForm(Model model) {
        model.addAttribute("item", new Item());
        return "validation/v3/addForm";
    }

클래스단의 리퀘스트 맵 마지막에 / 를 붙이는 것과 안 붙이는 것중 뭐가 정석인가요?

클래스단에서

@RequestMapping("/validation/v3/items/")

이렇게 한다면 메소드에는 전부 /를 빼고 add ,get 만 사용하면 될텐데 뭐가 암묵적인 룰(?) 인 것일까요 ?