gfx https://blog.hatena.ne.jp/gfx/ Islands in the byte stream (legacy) https://gfx.hatenadiary.org/ Android 結論：どちらも同じなので意味的に適切だと思う方を使ってよい発端は以下のツイートだ。たしかに、公式ドキュメントには以下のように書いてある。 On devices without a JIT, it is true that invoking methods via a variable with an exact type rather than an interface is slightly more efficient. (So, for example, it was cheaper to invoke methods on a HashMap map than a Map map, e… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgfx.hatenadiary.org%2Fentry%2F20140114%2F1389707412" title=" ListよりArrayListのほうが速いって本当？ - Islands in the byte stream (legacy)" 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/g/gfx/20140114/20140114224616.png Hatena Blog https://hatena.blog 2014-01-14 22:50:12 rich https://gfx.hatenadiary.org/entry/20140114/1389707412 1.0 100%