{"published":"2016-07-01 18:40:20","title":"Stream \u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u308b","type":"rich","author_name":"posturan","provider_url":"https://hatena.blog","blog_url":"https://oboe2uran.hatenablog.com/","width":"100%","blog_title":"Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332","description":"\u30ea\u30b9\u30c8\u306b\u5b58\u5728\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f55\u756a\u76ee\uff1d\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u308b\u65b9\u6cd5\u3001Java8 Stream \u3067\u6c42\u3081\u308b\u3002 \u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\uff0d\uff11 \u304c\u8fd4\u308c\u3070\u826f\u3057\u3068\u3059\u308b\u3002\u3068\u3044\u3046\u8981\u6c42\u3067\u3001\u30b5\u30f3\u30d7\u30eb\u3092\u66f8\u304f\u3068\u3002\u3002\u3002 List<String> list = Arrays.asList(\"a\", \"b\", \"c\", \"d\", \"e\", \"f\"); /* \u3053\u306e\u30ea\u30b9\u30c8\u3067\u3001\"c\" \u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u308b\u3002 */ int index = IntStream.range(0, list.size()).filter(i->list.get(i).equals(\"c\")).findAny().orElse(-1); System.out.\u2026","provider_name":"Hatena Blog","categories":["Java"],"image_url":null,"url":"https://oboe2uran.hatenablog.com/entry/2016/07/01/184020","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foboe2uran.hatenablog.com%2Fentry%2F2016%2F07%2F01%2F184020\" title=\"Stream \u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u308b - Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/posturan/","version":"1.0","height":"190"}