tanakahda https://blog.hatena.ne.jp/tanakahda/ tanakahdaのプログラマ手帳 https://tanakahda.hateblo.jp/ Java HelloController.java package com.example.demo.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class HelloController { @RequestMapping("/") public String index() { return "hello"; } } hello.html <!DOCTYPE … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftanakahda.hateblo.jp%2Fentry%2F2022%2F02%2F09%2F010024" title="Hello SpringBoot2@Java - tanakahdaのプログラマ手帳" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/t/tanakahda/20220209/20220209005757.png Hatena Blog https://hatena.blog 2022-02-09 01:00:24 rich https://tanakahda.hateblo.jp/entry/2022/02/09/010024 1.0 100%