itouhiro https://blog.hatena.ne.jp/itouhiro/ itouhiroはてなブログ https://itouhiro.hatenablog.com/ Ruby single quote と double quote は意味が違う print("print1 hello\truby\n") puts print('print2 hello\truby\n') puts print1 hello ruby print2 hello\truby\n 文字列接続 print('print3 hello' , 'ruby') puts print('print4 hello' + 'ruby') puts print3 helloruby print4 helloruby puts(改行付き)は上と結果が違う puts('puts1 hello' , 'rub… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fitouhiro.hatenablog.com%2Fentry%2F20090526" title=" たのしいRuby - itouhiroはてなブログ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-05-26 00:00:00 rich https://itouhiro.hatenablog.com/entry/20090526 1.0 100%