{"categories":["\u72ec\u308a\u8a00","memo"],"url":"https://suikyo.hatenadiary.org/entry/20080424/p1","image_url":null,"height":"190","title":" \u77e5\u8b58","author_name":"suikyo","width":"100%","version":"1.0","published":"2008-04-24 00:00:01","blog_url":"https://suikyo.hatenadiary.org/","type":"rich","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/suikyo/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsuikyo.hatenadiary.org%2Fentry%2F20080424%2Fp1\" title=\" \u77e5\u8b58 - behind the counter\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_title":"behind the counter","description":"\u30b7\u30b9\u30c6\u30e0\u306e\u5165\u51fa\u529b\u9593\u3067\u3001\u975e\u7dda\u5f62\u30fb\u975e\u5b9a\u578b\u7684\u306a\u51e6\u7406\u3092\u884c\u3046\u30d7\u30ed\u30bb\u30b9\u304c\u3042\u308b\u3068\u3057\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u7279\u5fb4\u91cf\u3092\u77e5\u8b58\u3068\u547c\u3076\u3002 \u53e4\u5178\u7684\u77e5\u8b58 \u77e5\u8b58\u3068\u306f\u3001\u6f14\u7b97\u304c\u5b9a\u7fa9\u3055\u308c\u305fID\u306e\u96c6\u5408\u3001\u3082\u3057\u304f\u306fID\u305d\u306e\u3082\u306e\u3067\u3042\u308b\u3002\u6f14\u7b97\u3068\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u308b\u3002 \u8ddd\u96e2(\u76f8\u95a2) \u30eb\u30fc\u30eb\u3068\u3057\u3066\u9069\u7528 instanceof (is-a) propertyof (has-a) ID\u306f\u30bb\u30f3\u30b5\u5165\u529b\u304b\u3089\u8a8d\u8b58\u306b\u3088\u3063\u3066\u62bd\u51fa\u3055\u308c\u308b\u304b\u3001\u5929\u304b\u3089\u4e0e\u3048\u3089\u308c\u308b\u3002 \u8fd1\u4ee3\u7684\u77e5\u8b58 \u77e5\u8b58\u3068\u306f\u3001\u8a8d\u8b58\u904e\u7a0b\u305d\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u7279\u306b\u4e0b\u4f4d\u306e\u30ec\u30a4\u30e4\u3067\u306f\u62bd\u8c61\u5316\u304c\u96e3\u3057\u3044\u3002\u8a8d\u8b58\u904e\u7a0b\u306e\u5165\u529b\u306f\u30bb\u30f3\u30b5\u3068\u5185\u7701\u3067\u3042\u308b\u3002\u8a8d\u8b58\u904e\u7a0b\u306e\u51fa\u529b\u306f\u3001(\u534a)\u69cb\u9020\u5316\u3055\u308c\u305f\u5e7e\u3064\u304b\u306e\u9023\u60f3\u30c7\u30fc\u30bf\u3068\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u3042\u308b\u3002 \u73fe\u4ee3\u7684\u77e5\u8b58 \u77e5\u8b58\u2026"}