{"title":"copy\u304c\u6df1\u304b\u3063\u305f\u308a\u6d45\u304b\u3063\u305f\u308a","provider_url":"https://hatena.blog","published":"2008-04-14 00:00:00","height":"190","description":"\u5fa1\u984c\u7684\u306b\u306f\u3001deep copy(\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc)\u3068shallow copy(\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc)\u306e\u8a71\u3067\u3059\u3002 \u3093\u3068\u3002\u4f8b\u3048\u3070\u6587\u5b57\u5217A\u306e\u5185\u5bb9\u3092\u6587\u5b57\u5217B\u306bcopy\u3059\u308b\u6642\u306f\u3002\u5927\u62b5\u306e\u8a00\u8a9e\u306b\u304a\u3044\u3066 b = a;\u3067\u7247\u304c\u3064\u304f\u3068\u601d\u3044\u307e\u3059\u3002 \u304a\u6b21\u3002\u4e2d\u306binteger\u3068\u304b\u3057\u304b\u306a\u3044\u3088\u3046\u306a\u30af\u30e9\u30b9\u306e\u5834\u5408\u3002\u3064\u307e\u308a class foo { private int i; }\u306a\u3093\u3066\u3082\u306e\u306e\u5834\u5408\u3002i\u3092copy\u3059\u308c\u3070\u4e8b\u8db3\u308a\u307e\u3059\u3002 \u3055\u3066\u3002\u3053\u3053\u304b\u3089\u304c\u672c\u984c\u3002 \u300c\u30af\u30e9\u30b9(\u306b\u9650\u3089\u3093\u306e\u3067\u3059\u304c)\u306e\u53c2\u7167(\u30dd\u30a4\u30f3\u30bf)\u3092\u542b\u3080\u30af\u30e9\u30b9\u306f\u3069\u3046\u3084\u3063\u3066copy\u3055\u308c\u308b\u3079\u304d\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u300d \u3068\u304b\u66f8\u3044\u3066\u3082\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u304b\u307f\u306b\u304f\u3044\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u3001\u3061\u3068\u8a73\u7d30\u3092\u3002 \u307e\u305a\u3002\u4eca\u56de\u306e\u30e1\u30a4\u30f3\u2026","image_url":null,"type":"rich","provider_name":"Hatena Blog","author_name":"gallu","width":"100%","version":"1.0","blog_url":"https://gallu.hatenadiary.jp/","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgallu.hatenadiary.jp%2Fentry%2F20080414%2Fp1\" title=\"copy\u304c\u6df1\u304b\u3063\u305f\u308a\u6d45\u304b\u3063\u305f\u308a - \u304c\u308b\u306e\u5065\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u304c\u308b\u306e\u5065\u5fd8\u9332","url":"https://gallu.hatenadiary.jp/entry/20080414/p1","author_url":"https://blog.hatena.ne.jp/gallu/"}