{"id":2141,"date":"2026-03-22T00:23:25","date_gmt":"2026-03-22T00:23:25","guid":{"rendered":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/"},"modified":"2026-03-22T00:23:25","modified_gmt":"2026-03-22T00:23:25","slug":"avoiding-common-inheritance-pitfalls","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/","title":{"rendered":"OOAD \u30ac\u30a4\u30c9\uff1a\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b"},"content":{"rendered":"
\n
\"Comic<\/figure>\n<\/div>\n

\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\uff08OOAD\uff09\u306b\u304a\u3044\u3066\u3001\u7d99\u627f\u306f\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3068\u62bd\u8c61\u5316\u306e\u305f\u3081\u306e\u5f37\u529b\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u5b50\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u306e\u5c5e\u6027\u3084\u632f\u308b\u821e\u3044\u3092\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\u968e\u5c64\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u69cb\u9020\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u6027\u3092\u4fc3\u9032\u3057\u307e\u3059\u304c\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3084\u4fdd\u5b88\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u7279\u5b9a\u306e\u30ea\u30b9\u30af\u3082\u751f\u307f\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u6642\u4ee3\u3092\u8d85\u3048\u3066\u8010\u3048\u3046\u308b\u5805\u7262\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001\u7d99\u627f\u306b\u4f34\u3046\u69cb\u9020\u7684\u306a\u5f31\u70b9\u306b\u3064\u3044\u3066\u63a2\u308a\u307e\u3059\u3002\u4e0d\u9069\u5207\u306a\u5b9f\u88c5\u304c\u3069\u306e\u3088\u3046\u306b\u8106\u3044\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3001\u5bc6\u7d50\u5408\u3001\u4fdd\u5b88\u56f0\u96e3\u306a\u968e\u5c64\u306b\u3064\u306a\u304c\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u65e9\u671f\u306b\u8a8d\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u67d4\u8edf\u3067\u56de\u5fa9\u529b\u306e\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u8106\u5f31\u306a\u57fa\u5e95\u30af\u30e9\u30b9\u554f\u984c \ud83d\udcc9<\/h2>\n

\u8106\u5f31\u306a\u57fa\u5e95\u30af\u30e9\u30b9\u554f\u984c\u306f\u3001\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u5909\u66f4\u304c\u610f\u56f3\u305b\u305a\u6d3e\u751f\u30af\u30e9\u30b9\u306e\u6a5f\u80fd\u3092\u7834\u58ca\u3059\u308b\u3068\u304d\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6d3e\u751f\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u306e\u5185\u90e8\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u89aa\u30af\u30e9\u30b9\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001\u5b50\u30af\u30e9\u30b9\u304c\u524d\u63d0\u3068\u3057\u3066\u3044\u305f\u5951\u7d04\u304c\u9055\u53cd\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u5b50\u30af\u30e9\u30b9\u306e\u958b\u767a\u8005\u304c\u305d\u308c\u306b\u6c17\u3065\u304b\u306a\u3044\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u57fa\u5e95\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u304c\u7279\u5b9a\u306e\u65b9\u5f0f\u3067\u5185\u90e8\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6d3e\u751f\u30af\u30e9\u30b9\u306f\u3001\u5b9f\u884c\u5f8c\u306b\u3053\u306e\u72b6\u614b\u304c\u7279\u5b9a\u306e\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u57fa\u5e95\u30af\u30e9\u30b9\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u64cd\u4f5c\u306e\u9806\u5e8f\u3092\u5909\u66f4\u3057\u305f\u5834\u5408\u3001\u6d3e\u751f\u30af\u30e9\u30b9\u306f\u9759\u304b\u306b\u5931\u6557\u3059\u308b\u304b\u3001\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \n
  • \u96a0\u308c\u305f\u4f9d\u5b58\u95a2\u4fc2\uff1a<\/strong>\u6d3e\u751f\u30af\u30e9\u30b9\u306f\u3001\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u57fa\u5e95\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u526f\u4f5c\u7528\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/li>\n
  • \u30c6\u30b9\u30c8\u306e\u8907\u96d1\u3055\uff1a<\/strong>\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u5358\u4f53\u30c6\u30b9\u30c8\u306f\u5408\u683c\u3057\u3066\u3082\u3001\u6d3e\u751f\u30af\u30e9\u30b9\u306e\u7d50\u5408\u30c6\u30b9\u30c8\u304c\u4e88\u671f\u305b\u305a\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
  • \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u30ea\u30b9\u30af\uff1a<\/strong>\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u5909\u66f4\u306f\u3001\u968e\u5c64\u5168\u4f53\u306b\u308f\u305f\u308b\u56de\u5e30\u30c6\u30b9\u30c8\u3092\u5fc5\u8981\u3068\u3059\u308b\u9ad8\u30ea\u30b9\u30af\u306a\u64cd\u4f5c\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n

    \u3053\u308c\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u958b\u767a\u8005\u306f\u57fa\u5e95\u30af\u30e9\u30b9\u3092\u5b9f\u88c5\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u306f\u306a\u304f\u3001\u5b89\u5b9a\u3057\u305f\u5951\u7d04\u3068\u3057\u3066\u6271\u3046\u3079\u304d\u3067\u3059\u3002\u57fa\u5e95\u30af\u30e9\u30b9\u304c\u983b\u7e41\u306b\u5909\u66f4\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u968e\u5c64\u304c\u6df1\u3059\u304e\u308b\u304b\u3001\u5bc6\u7d50\u5408\u3057\u3059\u304e\u3066\u3044\u308b\u5146\u5019\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n

    \u30ea\u30b9\u30b3\u30d5\u7f6e\u63db\u539f\u5247\u306e\u9055\u53cd \u2696\ufe0f<\/h2>\n

    \u30ea\u30b9\u30b3\u30d5\u7f6e\u63db\u539f\u5247\uff08LSP\uff09\u306f\u8a2d\u8a08\u306b\u304a\u3051\u308b\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7f6e\u304d\u63db\u3048\u3066\u3082\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u58ca\u308c\u3066\u306f\u306a\u3089\u306a\u3044\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u5b9f\u52d9\u7684\u306b\u306f\u3001\u3053\u308c\u306f\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u306e\u4e0d\u5909\u6761\u4ef6\u3068\u4e8b\u524d\u6761\u4ef6\u3092\u5c0a\u91cd\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n

    \u9055\u53cd\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u7d99\u627f\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u306e\u4e8b\u5f8c\u6761\u4ef6\u3092\u72ed\u3081\u305f\u308a\u3001\u4e8b\u524d\u6761\u4ef6\u3092\u5f31\u3081\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u89aa\u30af\u30e9\u30b9\u304c\u5e45\u5e83\u3044\u5165\u529b\u3092\u8a31\u5bb9\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u7279\u5b9a\u306e\u6709\u52b9\u306a\u5165\u529b\u3092\u62d2\u5426\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u304c\u671f\u5f85\u3055\u308c\u308b\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u4f7f\u7528\u3067\u304d\u308b\u3068\u3044\u3046\u671f\u5f85\u3092\u58ca\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

      \n
    • \u4f8b\u5916\u306e\u8513\u5ef6\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u304c\u6587\u66f8\u5316\u3057\u306a\u304b\u3063\u305f\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3001\u547c\u3073\u51fa\u3057\u30b3\u30fc\u30c9\u304c\u4e88\u671f\u3057\u306a\u3044\u30a8\u30e9\u30fc\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3092\u5f37\u8981\u3057\u307e\u3059\u3002<\/li>\n
    • \u72b6\u614b\u306e\u5236\u7d04\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u3001\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u898b\u3048\u306a\u3044\u3001\u3088\u308a\u53b3\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u72b6\u614b\u306e\u5236\u7d04\u3092\u8ab2\u3057\u307e\u3059\u3002<\/li>\n
    • \u52d5\u4f5c\u306e\u4e0d\u6574\u5408\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u3001\u89aa\u30af\u30e9\u30b9\u306e\u8ad6\u7406\u7684\u5951\u7d04\u306b\u53cd\u3059\u308b\u65b9\u6cd5\u3067\u7570\u306a\u308b\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

      \u968e\u5c64\u3092\u8a2d\u8a08\u3059\u308b\u969b\u3001\u81ea\u5206\u306b\u554f\u3044\u304b\u3051\u3066\u304f\u3060\u3055\u3044\uff1a\u3053\u306e\u30af\u30e9\u30b9\u3092\u89aa\u30af\u30e9\u30b9\u306b\u7f6e\u304d\u63db\u3048\u3066\u3082\u3001\u305d\u308c\u3092\u4f7f\u7528\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u66f8\u304d\u63db\u3048\u305a\u306b\u6e08\u307f\u307e\u3059\u304b\uff1f<\/em>\u7b54\u3048\u304c\u300c\u3044\u3044\u3048\u300d\u306e\u5834\u5408\u3001\u305d\u306e\u8a2d\u8a08\u306f LSP \u3092\u9055\u53cd\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u3001\u518d\u69cb\u7bc9\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n

      \u6df1\u3044\u7d99\u627f\u968e\u5c64 \ud83c\udf33<\/h2>\n

      \u7d99\u627f\u306f\u518d\u5229\u7528\u3092\u4fc3\u9032\u3057\u307e\u3059\u304c\u3001\u904e\u5ea6\u306a\u30cd\u30b9\u30c8\u306f\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u56f0\u96e3\u306a\u4f9d\u5b58\u95a2\u4fc2\u30c1\u30a7\u30fc\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u30025 \u3064\u4ee5\u4e0a\u306e\u30ec\u30d9\u30eb\u306b\u308f\u305f\u308b\u3053\u3068\u304c\u591a\u3044\u6df1\u3044\u968e\u5c64\u306f\u3001\u52d5\u4f5c\u306e\u6e90\u3092\u66d6\u6627\u306b\u3057\u307e\u3059\u3002\u6df1\u304f\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u6b20\u9665\u304c\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u3042\u308b\u306e\u304b\u3001\u305d\u306e\u7956\u5148\u306e\u3044\u305a\u308c\u304b\u306b\u3042\u308b\u306e\u304b\u304c\u4e0d\u660e\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u6df1\u3044\u7d99\u627f\u306b\u4f34\u3046\u554f\u984c\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n

        \n
      • \u8907\u96d1\u6027\u306e\u7206\u767a\uff1a<\/strong>\u89aa\u30af\u30e9\u30b9\u306e\u5909\u66f4\u306f\u3059\u3079\u3066\u306e\u5b50\u5b6b\u306b\u6ce2\u53ca\u3057\u307e\u3059\u3002\u72b6\u614b\u3068\u52d5\u4f5c\u306e\u53ef\u80fd\u306a\u7d44\u307f\u5408\u308f\u305b\u306e\u6570\u306f\u6307\u6570\u95a2\u6570\u7684\u306b\u5897\u52a0\u3057\u307e\u3059\u3002<\/li>\n
      • \u96a0\u3055\u308c\u305f\u4e0d\u5909\u6761\u4ef6\uff1a<\/strong> \u7956\u30af\u30e9\u30b9\u304c\u5fc5\u8981\u3068\u3059\u308b\u72b6\u614b\u306f\u3001\u5b6b\u5b6b\u30af\u30e9\u30b9\u306e\u958b\u767a\u8005\u306b\u306f\u660e\u77ad\u3067\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
      • \u30c6\u30b9\u30c8\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\uff1a<\/strong> \u968e\u5c64\u306e\u3059\u3079\u3066\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u591a\u304f\u6d88\u8cbb\u3059\u308b\u4f5c\u696d\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n
      • \u53ef\u8aad\u6027\uff1a<\/strong> \u5236\u5fa1\u306e\u6d41\u308c\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u968e\u5c64\u9593\u3092\u884c\u304d\u6765\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n

        \u6d45\u3044\u968e\u5c64\u69cb\u9020\u304c\u4e00\u822c\u7684\u306b\u597d\u307e\u308c\u307e\u3059\u3002\u3042\u308b\u30af\u30e9\u30b9\u306b\u8cac\u4efb\u3084\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u591a\u3059\u304e\u308b\u5834\u5408\u3001\u305d\u306e\u30af\u30e9\u30b9\u304c\u5927\u304d\u3059\u304e\u308b\u5146\u5019\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u968e\u5c64\u3092\u5206\u5272\u3059\u308b\u304b\u3001\u4ee3\u308f\u308a\u306b\u5408\u6210\uff08\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

        \u5f37\u3044\u7d50\u5408\u3068\u96a0\u3055\u308c\u305f\u4f9d\u5b58\u95a2\u4fc2 \ud83d\udd17<\/h2>\n

        \u7d99\u627f\u306f\u30af\u30e9\u30b9\u9593\u306e\u5f37\u3044\u7d50\u5408\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u89aa\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u306b\u7e1b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u7d50\u5408\u306b\u3088\u308a\u30b7\u30b9\u30c6\u30e0\u306f\u786c\u76f4\u5316\u3057\u307e\u3059\u3002\u89aa\u30af\u30e9\u30b9\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u6a5f\u80fd\u304c\u30b5\u30d6\u30af\u30e9\u30b9\u306e\u7279\u5b9a\u306e\u76ee\u7684\u306b\u95a2\u9023\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u9069\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n

        \u3055\u3089\u306b\u3001\u7d99\u627f\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u96a0\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u3001\u660e\u793a\u7684\u306b\u5ba3\u8a00\u3057\u3066\u3044\u306a\u3044\u89aa\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u4f9d\u5b58\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3067\u306f\u4f9d\u5b58\u95a2\u4fc2\u304c\u898b\u3048\u306a\u304f\u306a\u308a\u3001\u30b3\u30fc\u30c9\u306e\u7406\u89e3\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

          \n
        • \u5b9f\u88c5\u306e\u6f0f\u6d29\uff1a<\/strong> \u89aa\u30af\u30e9\u30b9\u306e\u5185\u90e8\u72b6\u614b\u304c\u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4e00\u90e8\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n
        • \u30e2\u30c3\u30af\u5316\u304c\u56f0\u96e3\uff1a<\/strong> \u30c6\u30b9\u30c8\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u3001\u8907\u96d1\u306a\u5185\u90e8\u72b6\u614b\u3092\u6301\u3064\u57fa\u5e95\u30af\u30e9\u30b9\u3092\u30e2\u30c3\u30af\u5316\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u3067\u3059\u3002<\/li>\n
        • \u5358\u4e00\u8cac\u4efb\u539f\u5247\u306e\u9055\u53cd\uff1a<\/strong> \u89aa\u30af\u30e9\u30b9\u306f\u3001\u3059\u3079\u3066\u306e\u5b50\u4f9b\u306b\u3068\u3063\u3066\u6709\u7528\u3067\u3042\u308b\u305f\u3081\u306b\u591a\u3059\u304e\u308b\u6a5f\u80fd\u3092\u84c4\u7a4d\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n

          \u7d99\u627f\u3088\u308a\u3082\u5408\u6210\uff08\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\uff09 \ud83e\uddf1<\/h2>\n

          \u7d99\u627f\u304c\u554f\u984c\u3068\u306a\u308b\u5834\u5408\u3001\u4ee3\u66ff\u7b56\u3068\u3057\u3066\u5408\u6210\uff08\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\uff09\u304c\u3088\u304f\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u5408\u6210\u3068\u306f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u8907\u96d1\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u7d50\u5408\u3092\u6e1b\u3089\u3057\u3001\u67d4\u8edf\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/p>\n

          2 \u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u6bd4\u8f03\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n
          \u6a5f\u80fd<\/th>\n\u7d99\u627f<\/th>\n\u5408\u6210\uff08\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\uff09<\/th>\n<\/tr>\n<\/thead>\n
          \u95a2\u4fc2<\/strong><\/td>\n\uff5e\u3067\u3042\u308b\u3068\u3044\u3046\u95a2\u4fc2<\/td>\n\uff5e\u3092\u6301\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u95a2\u4fc2<\/td>\n<\/tr>\n
          \u7d50\u5408<\/strong><\/td>\n\u9ad8\u3044\uff08\u89aa\u306b\u7e1b\u3089\u308c\u308b\uff09<\/td>\n\u4f4e\u3044\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u4f9d\u5b58\uff09<\/td>\n<\/tr>\n
          \u67d4\u8edf\u6027<\/strong><\/td>\n\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u56fa\u5b9a\u3055\u308c\u308b<\/td>\n\u30e9\u30f3\u30bf\u30a4\u30e0\u6642\u306b\u52d5\u7684<\/td>\n<\/tr>\n
          \u518d\u5229\u7528<\/strong><\/td>\n\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528<\/td>\n\u632f\u308b\u821e\u3044\u306e\u518d\u5229\u7528<\/td>\n<\/tr>\n
          \u30c6\u30b9\u30c8<\/strong><\/td>\n\u72b6\u614b\u306e\u305f\u3081\u306b\u8907\u96d1<\/td>\n\u7c21\u5358\u3067\u72ec\u7acb\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u53b3\u5bc6\u306a\u578b\u968e\u5c64\u306b\u7e1b\u3089\u308c\u305a\u306b\u632f\u308b\u821e\u3044\u3092\u518d\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u6ce8\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u6642\u306b\u632f\u308b\u821e\u3044\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n

          \u65e2\u5b58\u30b3\u30fc\u30c9\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u6226\u7565 \ud83d\udee0\ufe0f<\/h2>\n

          \u6df1\u3044\u7d99\u627f\u306e\u554f\u984c\u3092\u62b1\u3048\u308b\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u306b\u306f\u3001\u614e\u91cd\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u968e\u5c64\u3092\u5358\u306b\u524a\u9664\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

          \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n

            \n
          • \u30b3\u30fc\u30c9\u306e\u5302\u3044\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/strong>\u5927\u304d\u3059\u304e\u308b\u30af\u30e9\u30b9\u3084\u3001\u591a\u304f\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u89aa\u306e\u4e00\u90e8\u3092\u7121\u8996\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u62bd\u51fa\u3059\u308b\uff1a<\/strong>\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u306b\u4f9d\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u306a\u7279\u5b9a\u306e\u632f\u308b\u821e\u3044\u3092\u8868\u3059\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u5c0e\u5165\u3059\u308b\uff1a<\/strong>\u30ed\u30b8\u30c3\u30af\u3092\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u304b\u3089\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u6ce8\u5165\u3067\u304d\u308b\u72ec\u7acb\u3057\u305f\u30af\u30e9\u30b9\u3078\u79fb\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u968e\u5c64\u3092\u5206\u5272\u3059\u308b\uff1a<\/strong>\u5927\u304d\u306a\u968e\u5c64\u3092\u3001\u660e\u78ba\u306a\u8cac\u4efb\u306b\u57fa\u3065\u3044\u3066\u3001\u3088\u308a\u5c0f\u3055\u304f\u7126\u70b9\u3092\u7d5e\u3063\u305f\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u5272\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u30c6\u30b9\u30c8\u3092\u66f4\u65b0\u3059\u308b\uff1a<\/strong>\u56de\u5e30\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u69cb\u9020\u7684\u306a\u5909\u66f4\u3092\u884c\u3046\u524d\u306b\u5305\u62ec\u7684\u306a\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n

            \u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8 \u2705<\/h2>\n

            \u5065\u5168\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u5206\u6790\u304a\u3088\u3073\u8a2d\u8a08\u30d5\u30a7\u30fc\u30ba\u4e2d\u306b\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n

              \n
            • \u6df1\u3055\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\uff1a<\/strong>\u7d99\u627f\u30c1\u30a7\u30fc\u30f3\u3092\u77ed\u304f\u4fdd\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u968e\u5c64\u304c3\u30ec\u30d9\u30eb\u3088\u308a\u6df1\u3044\u5834\u5408\u306f\u3001\u8a2d\u8a08\u3092\u518d\u8003\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
            • \u62bd\u8c61\u30af\u30e9\u30b9\u306f\u63a7\u3048\u3081\u306b\u4f7f\u7528\u3059\u308b\uff1a<\/strong>\u660e\u78ba\u306ais-a<\/em>\u95a2\u4fc2\u304c\u3042\u308a\u3001\u5171\u6709\u5b9f\u88c5\u304c\u5fc5\u8981\u3067\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u62bd\u8c61\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
            • \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u512a\u5148\u3059\u308b\uff1a<\/strong>\u5b9f\u88c5\u306e\u8a73\u7d30\u3092\u5f37\u5236\u305b\u305a\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u5951\u7d04\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n
            • LSP\uff08\u30ea\u30b9\u30b3\u30d5\u7f6e\u63db\u539f\u5247\uff09\u3092\u78ba\u8a8d\u3059\u308b\uff1a<\/strong>\u3059\u3079\u3066\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u3001\u3042\u3089\u3086\u308b\u6587\u8108\u3067\u89aa\u30af\u30e9\u30b9\u3068\u76f8\u4e92\u306b\u4ea4\u63db\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
            • \u4e0d\u5909\u6761\u4ef6\u3092\u6587\u66f8\u5316\u3059\u308b\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u7dad\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u4e0d\u5909\u6761\u4ef6\u3092\u660e\u78ba\u306b\u8a18\u8ff0\u3059\u308b\u3002<\/li>\n
            • \u72b6\u614b\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u8907\u96d1\u306a\u5185\u90e8\u30ed\u30b8\u30c3\u30af\u306e\u7ba1\u7406\u3092\u5f37\u5236\u3059\u308b\u4fdd\u8b77\u72b6\u614b\u3092\u516c\u958b\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n
            • \u5b9a\u671f\u7684\u306b\u30ec\u30d3\u30e5\u30fc\u3059\u308b\uff1a<\/strong>\u968e\u5c64\u69cb\u9020\u3068\u7d50\u5408\u5ea6\u306b\u7279\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3092\u5b9f\u65bd\u3059\u308b\u3002<\/li>\n<\/ul>\n

              \u8a2d\u8a08\u306e\u5b89\u5b9a\u6027\u306b\u95a2\u3059\u308b\u7d50\u8ad6 \ud83c\udfd7\ufe0f<\/h2>\n

              \u7d99\u627f\u306f\u3001\u898f\u5f8b\u3092\u6301\u3063\u3066\u4f7f\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30c4\u30fc\u30eb\u3067\u3059\u3002\u76f2\u76ee\u7684\u306b\u9069\u7528\u3059\u308b\u3068\u3001\u96a0\u308c\u305f\u4f9d\u5b58\u95a2\u4fc2\u3084\u786c\u76f4\u3057\u305f\u69cb\u9020\u304c\u751f\u307e\u308c\u307e\u3059\u3002\u6df1\u3044\u968e\u5c64\u3001\u8106\u5f31\u306a\u57fa\u5e95\u30af\u30e9\u30b9\u3001LSP\u9055\u53cd\u306e\u843d\u3068\u3057\u7a74\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u62e1\u5f35\u3068\u4fdd\u5b88\u304c\u5bb9\u6613\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3067\u304d\u307e\u3059\u3002\u53ef\u80fd\u3067\u3042\u308c\u3070\u5408\u6210\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u968e\u5c64\u3092\u6d45\u304f\u4fdd\u3061\u3001\u5e38\u306b\u57fa\u5e95\u5951\u7d04\u306e\u5b89\u5b9a\u6027\u3092\u6700\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u5805\u7262\u3067\u5c06\u6765\u306e\u5909\u5316\u306b\u9069\u5fdc\u53ef\u80fd\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\uff08OOAD\uff09\u306b\u304a\u3044\u3066\u3001\u7d99\u627f\u306f\u30b3\u30fc\u30c9\u306e…<\/p>\n","protected":false},"author":1,"featured_media":2142,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f","_yoast_wpseo_metadesc":"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002","source_url":"","fifu_image_url":"","fifu_image_alt":"","_fifu_image_alt":"","fifu_alt":"","_fifu_alt":"","fifu_image_title":"","_fifu_image_title":"","fifu_input_alt":"","vp_image_hash":"","footnotes":""},"categories":[94],"tags":[87,93],"asset-category":[],"class_list":["post-2141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-object-oriented-analysis-and-design","tag-academic","tag-object-oriented-analysis-and-design"],"source_url":"","fifu_image_url":"","fifu_image_alt":"","vp_image_hash":"","yoast_head":"\nOOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f<\/title>\n<meta name=\"description\" content=\"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f\" \/>\n<meta property=\"og:description\" content=\"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\" \/>\n<meta property=\"og:site_name\" content=\"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-22T00:23:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/476bc4d637daf851268987c1f86e31bd\"},\"headline\":\"OOAD \u30ac\u30a4\u30c9\uff1a\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b\",\"datePublished\":\"2026-03-22T00:23:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\"},\"wordCount\":7,\"publisher\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg\",\"keywords\":[\"academic\",\"object-oriented analysis and design\"],\"articleSection\":[\"Object-Oriented Analysis and Design\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\",\"url\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\",\"name\":\"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f\",\"isPartOf\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg\",\"datePublished\":\"2026-03-22T00:23:25+00:00\",\"description\":\"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage\",\"url\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg\",\"contentUrl\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.tech-posts.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"OOAD \u30ac\u30a4\u30c9\uff1a\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#website\",\"url\":\"https:\/\/www.tech-posts.com\/ja\/\",\"name\":\"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.tech-posts.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#organization\",\"name\":\"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation\",\"url\":\"https:\/\/www.tech-posts.com\/ja\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/cropped-tech-posts-logo-1.png\",\"contentUrl\":\"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/cropped-tech-posts-logo-1.png\",\"width\":512,\"height\":512,\"caption\":\"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation\"},\"image\":{\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/476bc4d637daf851268987c1f86e31bd\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.tech-posts.com\"],\"url\":\"https:\/\/www.tech-posts.com\/ja\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f","description":"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/","og_locale":"ja_JP","og_type":"article","og_title":"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f","og_description":"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002","og_url":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/","og_site_name":"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation","article_published_time":"2026-03-22T00:23:25+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"vpadmin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#article","isPartOf":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/476bc4d637daf851268987c1f86e31bd"},"headline":"OOAD \u30ac\u30a4\u30c9\uff1a\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b","datePublished":"2026-03-22T00:23:25+00:00","mainEntityOfPage":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/"},"wordCount":7,"publisher":{"@id":"https:\/\/www.tech-posts.com\/ja\/#organization"},"image":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg","keywords":["academic","object-oriented analysis and design"],"articleSection":["Object-Oriented Analysis and Design"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/","url":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/","name":"OOAD\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b \ud83d\udee1\ufe0f","isPartOf":{"@id":"https:\/\/www.tech-posts.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage"},"image":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg","datePublished":"2026-03-22T00:23:25+00:00","description":"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u5206\u6790\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3002\u5b9f\u8df5\u7684\u306a\u6226\u7565\u3067\u7dca\u5bc6\u306a\u7d50\u5408\u3068LSP\u9055\u53cd\u3092\u9632\u3050\u3002","breadcrumb":{"@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#primaryimage","url":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg","contentUrl":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/avoiding-inheritance-pitfalls-infographic-comic-style.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.tech-posts.com\/ja\/avoiding-common-inheritance-pitfalls\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.tech-posts.com\/ja\/"},{"@type":"ListItem","position":2,"name":"OOAD \u30ac\u30a4\u30c9\uff1a\u4e00\u822c\u7684\u306a\u7d99\u627f\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b"}]},{"@type":"WebSite","@id":"https:\/\/www.tech-posts.com\/ja\/#website","url":"https:\/\/www.tech-posts.com\/ja\/","name":"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation","description":"","publisher":{"@id":"https:\/\/www.tech-posts.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.tech-posts.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.tech-posts.com\/ja\/#organization","name":"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation","url":"https:\/\/www.tech-posts.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.tech-posts.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/cropped-tech-posts-logo-1.png","contentUrl":"https:\/\/www.tech-posts.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/cropped-tech-posts-logo-1.png","width":512,"height":512,"caption":"Tech Posts Japanese - Latest Trends in AI, Software, and Digital Innovation"},"image":{"@id":"https:\/\/www.tech-posts.com\/ja\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/476bc4d637daf851268987c1f86e31bd","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.tech-posts.com\/ja\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.tech-posts.com"],"url":"https:\/\/www.tech-posts.com\/ja\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":0,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/media\/2142"}],"wp:attachment":[{"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/tags?post=2141"},{"taxonomy":"asset-category","embeddable":true,"href":"https:\/\/www.tech-posts.com\/ja\/wp-json\/wp\/v2\/asset-category?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}