{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/N/Naotsugu/20191027/20191027210540.png","categories":["Java"],"title":"\u73fe\u5834\u3067\u826f\u304f\u4f7f\u3046 Java Stream \u30a4\u30c7\u30a3\u30aa\u30e0","version":"1.0","blog_url":"https://blog1.mammb.com/","height":"190","provider_url":"https://hatena.blog","width":"100%","description":"\u30ad\u30e3\u30b9\u30c8 null \u9664\u5916 \u5426\u5b9a\u30d5\u30a3\u30eb\u30bf Stream\u304b\u3089\u914d\u5217\u3078 \u914d\u5217\u304b\u3089Stream\u3078 \u30ea\u30b9\u30c8\u306e\u96c6\u7d04 \u30ea\u30b9\u30c8\u304b\u3089\u30de\u30c3\u30d7\u3078\u5909\u63db \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u5909\u66f4 \u4efb\u610f\u30ad\u30fc\u3067\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0 \u8907\u6570\u30ad\u30fc\u3067\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3057\u3066\u30ea\u30b9\u30c8\u5316 \u4efb\u610f\u30ad\u30fc\u3067\u30bd\u30fc\u30c8 \u30ab\u30f3\u30de\u533a\u5207\u308a \u91cd\u8907\u30c1\u30a7\u30c3\u30af \u30d7\u30ea\u30df\u30c6\u30a3\u30d6Range\u304b\u3089\u30ea\u30b9\u30c8\u3078 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b\u306e\u5408\u8a08 BigDecimal \u306e\u5408\u8a08 \u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3057\u3066\u96c6\u8a08 \u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3057\u3066\u30ab\u30a6\u30f3\u30c8 \u6700\u5927\u5024/\u6700\u5c0f\u5024\u306e\u62bd\u51fa Optional \u304b\u3089\u5024\u306e\u53d6\u308a\u51fa\u3057 \u958b\u767a\u306e\u73fe\u5834\u3067\u3088\u304f\u4f7f\u3046 Java Stream \u30a4\u30c7\u30a3\u30aa\u30e0\u3067\u3059\u3002 \u30ad\u30e3\u30b9\u30c8 List<String> studentNames = people.strea\u2026","provider_name":"Hatena Blog","blog_title":"A Memorandum","author_url":"https://blog.hatena.ne.jp/Naotsugu/","published":"2021-11-21 09:00:00","author_name":"Naotsugu","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2021%2F11%2F21%2F090000\" title=\"\u73fe\u5834\u3067\u826f\u304f\u4f7f\u3046 Java Stream \u30a4\u30c7\u30a3\u30aa\u30e0 - A Memorandum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://blog1.mammb.com/entry/2021/11/21/090000","type":"rich"}