{"blog_url":"https://okazuki.hatenablog.com/","version":"1.0","width":"100%","published":"2014-06-30 21:58:23","description":"C# vNext\u306e\u500b\u4eba\u7684\u306aNo1\u306f\u3001\u81ea\u52d5\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u521d\u671f\u5316\uff0b\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306a\u306e\u3067\u3059\u304c\u3001null\u4f1d\u642c\u6f14\u7b97\u5b50\u3082\u6163\u308c\u306a\u3044\u3068\u30ad\u30e2\u304f\u3066\u597d\u304d\u3067\u3059\u3002 class Person { public string Name { get; set; } } ---------------------------- var p = new Person(); var result = p // \u4f1d\u642c\uff01 ?.Name // \u4f1d\u642c\uff01 ?.ToUpper() // \u5408\u4f53\uff01 ?? \"NULL\"; Console.WriteLine(result); null\u5408\u4f53\u6f14\u7b97\u5b50\u3068\u4f7f\u3046\u3053\u3068\u3067\u3001\u6700\u7d42\u7684\u306b\u9014\u4e2d\u306bnull\u304c\u3042\u3063\u305f\u3068\u2026","type":"rich","blog_title":"\u304b\u305a\u304d\u306eBlog@hatena","image_url":null,"categories":["C#"],"provider_url":"https://hatena.blog","url":"https://okazuki.hatenablog.com/entry/2014/06/30/215823","height":"190","title":"\u4f1d\u642c\u5408\u4f53","author_name":"okazuki","author_url":"https://blog.hatena.ne.jp/okazuki/","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fokazuki.hatenablog.com%2Fentry%2F2014%2F06%2F30%2F215823\" title=\"\u4f1d\u642c\u5408\u4f53 - \u304b\u305a\u304d\u306eBlog@hatena\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}