{"blog_url":"https://makotan.hatenadiary.jp/","author_name":"makotan","provider_url":"https://hatena.blog","width":"100%","url":"https://makotan.hatenadiary.jp/entry/20130510/p2","image_url":null,"categories":["Java8"],"provider_name":"Hatena Blog","type":"rich","title":"Stream\u306e\u518d\u5229\u7528\u3092\u30c6\u30b9\u30c8\u3057\u3066\u307f\u305f","published":"2013-05-10 00:00:01","author_url":"https://blog.hatena.ne.jp/makotan/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmakotan.hatenadiary.jp%2Fentry%2F20130510%2Fp2\" title=\"Stream\u306e\u518d\u5229\u7528\u3092\u30c6\u30b9\u30c8\u3057\u3066\u307f\u305f - makotan\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"makotan\u306e\u30d6\u30ed\u30b0","description":"ArrayList\u304b\u3089Stream\u3092\u53d6\u5f97\u3057\u3066\u3001filter\u3057\u305f\u7d50\u679c\u306eStream\u30922\u56de\u4f7f\u3063\u3066\u307f\u305f \u306a\u3093\u3068\u306a\u304f\u306e\u30b3\u30fc\u30c9\u30a4\u30e1\u30fc\u30b8\u306f\u3053\u3093\u306a\u611f\u3058(\u3042\u304f\u307e\u3067\u30a4\u30e1\u30fc\u30b8\u3067\u3059) ArrayList<String> datas = getStringList(); Stream<String> stream = datas.stream().filter((s) -> s.length() > 3); stream.foreach(System.out::println); System.out.println(stream.count()); Stream\u306f\u518d\u5229\u7528\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u7d50\u8ad6\u306b\u9054\u3057\u305f\u3002 \u3069\u3046\u3057\u3066\u3082\u518d\u5229\u7528\u2026","height":"190"}