機能単位でControllerクラスを複数作成してリクエストマッピングする@Spring Boot

IndexController.java

package com.example.demo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/")
public class IndexController {
    
    public String index() {
        return "index";
    }
    
}

DemoController.java

package com.example.demo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/demo")
public class DemoController {
    
    @RequestMapping("/index")
    public String index() {
        return "/demo/index";
    }
    
}