{"author_name":"andengineer","title":"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011Stream API_\u2462Stream\u306b\u3088\u308b\u4e2d\u9593\u51e6\u7406","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftenshoku.mynavi.jp%2Fengineer%2Fguide%2Farticles%2Fjava-code%2Fcategory_stream_api%2F03\" title=\"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011Stream API_\u2462Stream\u306b\u3088\u308b\u4e2d\u9593\u51e6\u7406 - \u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://tenshoku.mynavi.jp/engineer/guide/","published":"2026-07-01 12:21:55","type":"rich","provider_name":"Hatena Blog","description":"Stream\u306e\u4e2d\u3092\u6d41\u308c\u308b\u5024\uff08\u500b\u3005\u306e\u8981\u7d20\uff09\u3092\u52a0\u5de5\uff0f\u30d5\u30a3\u30eb\u30bf\u30fc\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u3001\u4e2d\u9593\u51e6\u7406\u3067\u3059\u3002\u3072\u3068\u3064\u306eStream\u51e6\u7406\u306b\u3064\u304d\u3001\u4e2d\u9593\u51e6\u7406\u306f0\u500b\u4ee5\u4e0a\u8907\u6570\u6301\u3064\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 \u5024\u3092\u52a0\u5de5\u3059\u308b \u2013 map\u30e1\u30bd\u30c3\u30c9 public <R> Stream<R> map\u200b(Function<? super T,\u200b? extends R> mapper) T\uff1a\u5143\u306e\u8981\u7d20\u306e\u578b R\uff1a\u52a0\u5de5\u5f8c\u306e\u8981\u7d20\u306e\u578b mapper\uff1a\u8981\u7d20\u3092\u52a0\u5de5\u3059\u308b\u305f\u3081\u306e\u30e9\u30e0\u30c0\u5f0f map\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001Stream\u5185\u3092\u6d41\u308c\u308b\u5024\u3092\u52a0\u5de5\u3067\u304d\u307e\u3059\u3002\u52a0\u5de5\u524d\u5f8c\u306e\u30c7\u30fc\u30bf\u578b\u306f\u5909\u5316\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002 \u305f\u3068\u3048\u3070\u4ee5\u4e0b\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u6587\u5b57\u5217\u30ea\u30b9\u30c8\u304b\u3089\u5148\u982d\u6587\u5b57\u306e\u30b3\u30fc\u30c9\u30dd\u30a4\u30f3\u30c8\u5024\u2026","url":"https://tenshoku.mynavi.jp/engineer/guide/articles/java-code/category_stream_api/03","version":"1.0","author_url":"https://blog.hatena.ne.jp/andengineer/","height":"190","blog_title":"\u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002","provider_url":"https://hatena.blog","categories":["\u8a00\u8a9e\u30fb\u958b\u767a","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e","Java"],"image_url":null}