{"height":"190","provider_url":"https://hatena.blog","categories":["\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0"],"author_name":"toburau","type":"rich","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoburau.hatenablog.jp%2Fentry%2F20070906%2F1189096553\" title=\"\u30cc\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5c0e\u5165\u3059\u308b - \u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-09-06 01:35:53","title":"\u30cc\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5c0e\u5165\u3059\u308b","author_url":"https://blog.hatena.ne.jp/toburau/","blog_title":"\u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\u65e5\u8a18","url":"https://toburau.hatenablog.jp/entry/20070906/1189096553","description":"\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cnull\u304c\u3069\u3046\u304b\u306e\u30c1\u30a7\u30c3\u30af\u304c\u983b\u7e41\u306b\u51fa\u3066\u304f\u308b\u3088\u3046\u306a\u3089\u3001\u30cc\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306anull\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u3044\u308b\u30b3\u30fc\u30c9\u304c\u3042\u3063\u305f\u5834\u5408\u3002 public class Player { private final Magic magic; public Player() { magic = null; } public Player(Magic magic) { this.magic = magic; } public void doSpell() { if (magic != null) { // null\u30c1\u30a7\u30c3\u30af magic.doSpell(); } \u2026","provider_name":"Hatena Blog","width":"100%","version":"1.0","blog_url":"https://toburau.hatenablog.jp/"}