{"published":"2026-07-01 09:09:12","title":"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9_\u2461\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u578b\u306e\u5b9a\u7fa9","provider_url":"https://hatena.blog","height":"190","author_name":"andengineer","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftenshoku.mynavi.jp%2Fengineer%2Fguide%2Farticles%2Fjava-code%2Fcategory_generics%2F02\" title=\"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9_\u2461\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u578b\u306e\u5b9a\u7fa9 - \u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002\" 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://tenshoku.mynavi.jp/engineer/guide/articles/java-code/category_generics/02","blog_title":"\u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002","description":"\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u306b\u5bfe\u5fdc\u3057\u305f\u578b\u3092\u3001\u81ea\u5206\u3067\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001HashMap\u30af\u30e9\u30b9\uff08java.util\u30d1\u30c3\u30b1\u30fc\u30b8\uff09\u306e\u30b3\u30fc\u30c9\u3092\u629c\u7c8b\u3057\u305f\u3082\u306e\u3067\u3059\u3002 public class HashMap<K,V> \uff5e { transient Node<K,V>[] table; public V put(K key, V value) { ... } } \u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u5bfe\u5fdc\u306e\u30af\u30e9\u30b9\u3067\u306f\u3001\u30af\u30e9\u30b9\u540d\u306b\u3082\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002HashMap\u306e\u4f8b\u3067\u3042\u308c\u3070\u300cHashMap<K,V>\u300d\u306e\u90e8\u5206\u3067\u3059\u3002\u3053\u308c\u3067K\u3001V\u3068\u3044\u30462\u3064\u306e\u578b\uff08\u3053\u306e\u5834\u5408\u3067\u3042\u308c\u3070\u3001\u30ad\u30fc\u3068\u5024\u306e\u578b\uff09\u3092\u53d7\u3051\u53d6\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u578b\u2026","author_url":"https://blog.hatena.ne.jp/andengineer/","blog_url":"https://tenshoku.mynavi.jp/engineer/guide/","width":"100%","type":"rich","version":"1.0","provider_name":"Hatena Blog","image_url":null,"categories":["\u8a00\u8a9e\u30fb\u958b\u767a","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e","Java"]}