{"title":"\u30ea\u30b9\u30c8\u3092\u9805\u76ee\u3054\u3068\u306b\u96c6\u8a08\u3059\u308b - Java8\u3070\u30fc\u3058\u3087\u3093","description":"4\u5e74\u524d\u306b\u66f8\u3044\u305f\u30ea\u30b9\u30c8\u3092\u9805\u76ee\u3054\u3068\u306b\u96c6\u8a08\u3059\u308b\u3068\u3044\u3046\u30a8\u30f3\u30c8\u30ea\u3092\u898b\u3064\u3051\u305f\u306e\u3067\u3001\u306a\u3093\u3068\u306a\u304f\u4eca\u98a8\u306bStream\u4f7f\u3063\u3066\u66f8\u3044\u3066\u307f\u305f\u3002 Collection<Output> summary(List<Input> data) { return data -> { Map<String, List<Input>> collected = data.stream() .collect(groupingBy(Input::getKey)); return collected.entrySet().stream() .map(e -> new Output( e.getKey(), e.getValue().strea\u2026","version":"1.0","type":"rich","height":"190","url":"https://irof.hateblo.jp/entry/2015/05/03/143843","author_url":"https://blog.hatena.ne.jp/irof/","image_url":null,"provider_url":"https://hatena.blog","author_name":"irof","blog_url":"https://irof.hateblo.jp/","published":"2015-05-03 14:38:43","blog_title":"\u65e5\u3005\u5e38\u3005","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Firof.hateblo.jp%2Fentry%2F2015%2F05%2F03%2F143843\" title=\"\u30ea\u30b9\u30c8\u3092\u9805\u76ee\u3054\u3068\u306b\u96c6\u8a08\u3059\u308b - Java8\u3070\u30fc\u3058\u3087\u3093 - \u65e5\u3005\u5e38\u3005\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Java8"],"provider_name":"Hatena Blog","width":"100%"}