Naotsugu https://blog.hatena.ne.jp/Naotsugu/ A Memorandum https://blog1.mammb.com/ Java ToStringBuilder の reflectionToString たとえばこんなコード List<Hoge> l = Arrays.asList(new Hoge("S1", 1), new Hoge("S2", 2)); Bar bar = new Bar(100, l); System.out.println(ToStringBuilder.reflectionToString(bar)); 以下のような出力が得られる。 etc9.Bar@1a457b6[id=100,list=[etc9.Hoge@b0f13d, etc9.Hoge@ae000d]] だけどlistの中身がみたい… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F20100703%2F1278173514" title="reflectionToString で再帰的出力 - A Memorandum" 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 2010-07-03 01:11:54 rich https://blog1.mammb.com/entry/20100703/1278173514 1.0 100%