{"id":1107,"date":"2026-03-31T21:41:59","date_gmt":"2026-03-31T21:41:59","guid":{"rendered":"https:\/\/www.method-post.com\/ja\/common-pitfalls-class-diagram-design-student-projects\/"},"modified":"2026-03-31T21:41:59","modified_gmt":"2026-03-31T21:41:59","slug":"common-pitfalls-class-diagram-design-student-projects","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/ja\/common-pitfalls-class-diagram-design-student-projects\/","title":{"rendered":"\u30af\u30e9\u30b9\u56f3\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\uff1a\u5b9f\u969b\u306e\u5b66\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u5b66\u3076\u6559\u8a13"},"content":{"rendered":"<p>\u30af\u30e9\u30b9\u56f3\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8a2d\u8a08\u306e\u57fa\u76e4\u3092\u306a\u3059\u3002\u62bd\u8c61\u7684\u306a\u8981\u4ef6\u3092\u5177\u4f53\u7684\u306a\u69cb\u9020\u306b\u5909\u63db\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3001\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u632f\u308b\u821e\u3046\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u5b66\u8853\u7684\u306a\u5834\u9762\u3067\u306f\u3001\u5b66\u751f\u306f\u3053\u306e\u8a18\u6cd5\u3092\u57fa\u672c\u7684\u306a\u8ab2\u984c\u3068\u3057\u3066\u983b\u7e41\u306b\u906d\u9047\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u7406\u8ad6\u7684\u7406\u89e3\u3068\u5b9f\u8df5\u7684\u5fdc\u7528\u306e\u9593\u306b\u306f\u3057\u3070\u3057\u3070\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u3001\u305d\u308c\u304c\u8077\u696d\u74b0\u5883\u306b\u307e\u3067\u6301\u3061\u8d8a\u3055\u308c\u308b\u69cb\u9020\u4e0a\u306e\u5f31\u70b9\u3092\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n<p>\u9577\u5e74\u306b\u308f\u305f\u308a\u5b66\u8853\u7684\u306a\u63d0\u51fa\u7269\u3084\u521d\u5fc3\u8005\u5411\u3051\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u30ec\u30d3\u30e5\u30fc\u3057\u3066\u304d\u305f\u7d50\u679c\u3001\u7279\u5b9a\u306e\u30a8\u30e9\u30fc\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u7e70\u308a\u8fd4\u3057\u73fe\u308c\u308b\u3002\u3053\u308c\u3089\u306f\u5358\u306a\u308b\u898b\u305f\u76ee\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u3001\u7d50\u5408\u3001\u8cac\u4efb\u306b\u95a2\u3059\u308b\u6df1\u3044\u8aa4\u89e3\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u5b66\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u89b3\u5bdf\u3055\u308c\u308b\u6700\u3082\u983b\u7e41\u306a\u8a2d\u8a08\u4e0a\u306e\u6b20\u9665\u3092\u5206\u6790\u3057\u3001\u7279\u5b9a\u306e\u30e2\u30c7\u30eb\u5316\u30c4\u30fc\u30eb\u306b\u4f9d\u5b58\u305b\u305a\u306b\u3001\u3088\u308a\u5805\u7262\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u3068\u5c0e\u304f\u9053\u3092\u63d0\u793a\u3059\u308b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn whiteboard infographic illustrating 7 common class diagram design pitfalls: over-engineering with excessive classes, confusing inheritance vs association relationships, ignoring visibility modifiers, high coupling with low cohesion, cyclic dependencies between classes, imbalanced detail levels, and poor naming conventions. Each pitfall shows mistake examples in red markers and correct approaches in green markers, with UML notation sketches, color-coded sections, and a quick-reference checklist for reviewing object-oriented design.\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/class-diagram-design-pitfalls-whiteboard-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u904e\u5270\u8a2d\u8a08\u306e\u7f60\uff1a\u3059\u3079\u3066\u306e\u3082\u306e\u306b\u30af\u30e9\u30b9\u3092\u4f5c\u3063\u3066\u3057\u307e\u3046 \ud83c\udfd7\ufe0f<\/h2>\n<p>\u6700\u3082\u5e83\u7bc4\u306b\u308f\u305f\u308b\u554f\u984c\u306e\u4e00\u3064\u306f\u3001\u8981\u4ef6\u306b\u8a00\u53ca\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u6982\u5ff5\u306b\u5bfe\u3057\u3066\u30af\u30e9\u30b9\u3092\u4f5c\u308a\u305f\u304c\u308b\u50be\u5411\u3067\u3042\u308b\u3002\u5b66\u751f\u306f\u3057\u3070\u3057\u3070\u3001\u3059\u3079\u3066\u306e\u540d\u8a5e\u3092\u30af\u30e9\u30b9\u3068\u3057\u3066\u8868\u73fe\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u611f\u3058\u3066\u3057\u307e\u3046\u3002\u540d\u8a5e\u306f\u3057\u3070\u3057\u3070\u30af\u30e9\u30b9\u306b\u5bfe\u5fdc\u3059\u308b\u304c\u3001\u52d5\u8a5e\u3084\u5f62\u5bb9\u8a5e\u3082\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308b\u3002\u9006\u306b\u3001\u4e00\u90e8\u306e\u540d\u8a5e\u306f\u5358\u306a\u308b\u5c5e\u6027\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3059\u304e\u305a\u3001\u5b9f\u4f53\u3067\u306f\u306a\u3044\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u300c<code>\u751f\u5f92<\/code>\u300d\u30af\u30e9\u30b9\u3001\u300c<code>\u6388\u696d<\/code>\u300d\u30af\u30e9\u30b9\u3001\u300c<code>\u6210\u7e3e<\/code>\u300d\u30af\u30e9\u30b9\u3001\u300c<code>\u6210\u7e3e\u5165\u529b<\/code>\u300d\u30af\u30e9\u30b9\u3001\u305d\u3057\u3066\u300c<code>\u6210\u7e3e\u5c65\u6b74<\/code>\u300d\u30af\u30e9\u30b9\u3092\u3001\u5358\u7d14\u306a\u6210\u7e3e\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u3002<\/li>\n<li>\u8ad6\u7406\u7684\u306b\u4e00\u4f53\u3067\u3042\u308b\u3079\u304d\u30c7\u30fc\u30bf\u3092\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6570\u3092\u5897\u3084\u3059\u305f\u3081\u306b\u7570\u306a\u308b\u30af\u30e9\u30b9\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u904e\u5ea6\u306a\u7d30\u5206\u5316\u306f\u4fa1\u5024\u3092\u52a0\u3048\u305a\u306b\u8907\u96d1\u6027\u3092\u5897\u3059\u3002\u958b\u767a\u8005\u306f\u5358\u7d14\u306a\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001\u3088\u308a\u591a\u304f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167\u3092\u305f\u3069\u3089\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3082\u3057\u300c<code>\u6210\u7e3e<\/code>\u300d\u304c\u300c<code>\u6388\u696d<\/code>\u300d\u306a\u3057\u3067\u306f\u5b58\u5728\u3067\u304d\u306a\u3044\u306e\u306a\u3089\u3001\u5fc5\u305a\u3057\u3082\u72ec\u81ea\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u6301\u3064\u72ec\u7acb\u3057\u305f\u30af\u30e9\u30b9\u3067\u3042\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u7406\u89e3\u30fb\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u7cbe\u795e\u7684\u30e2\u30c7\u30eb\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u305d\u306e\u3082\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u8907\u96d1\u306a\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u3092\u751f\u307f\u51fa\u3059\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u5206\u6790\u3059\u308b\u3002\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4ed6\u306e\u3082\u306e\u3068\u72ec\u7acb\u3057\u3066\u5b58\u5728\u3059\u308b\u306e\u304b\uff1f<\/li>\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5358\u306a\u308b\u30c7\u30fc\u30bf\u4fdd\u7ba1\u4ee5\u4e0a\u306e\u632f\u308b\u821e\u3044\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3002\u3082\u3057\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u3057\u304b\u3057\u306a\u3044\u306e\u306a\u3089\u3001\u305d\u308c\u3092\u7ba1\u7406\u3059\u308b\u30af\u30e9\u30b9\u306b\u5c5e\u3059\u308b\u3079\u304d\u304b\u3069\u3046\u304b\u691c\u8a0e\u3059\u308b\u3002<\/li>\n<li>\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3002\u300c<code>\u751f\u5f92<\/code>\u300d\u306f\u300c<code>\u30b0\u30ec\u30fc\u30c9<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5225\u3005\u306e\u3082\u306e\u3067\u306f\u306a\u304f<code>GradeEntry<\/code> \u30af\u30e9\u30b9\u3092\u3001\u30b0\u30ec\u30fc\u30c9\u306b\u91cd\u8981\u306a\u72ec\u7acb\u3057\u305f\u632f\u308b\u821e\u3044\u304c\u3042\u308b\u5834\u5408\u3092\u9664\u304d\u3001\u5225\u3005\u306b\u3057\u306a\u3044\u3053\u3068\u3002<\/li>\n<\/ul>\n<h2>2. \u95a2\u4fc2\u306e\u6df7\u4e71\uff1a\u95a2\u9023\u6027 vs. \u7d99\u627f \ud83d\udd04<\/h2>\n<p>UML\u306f\u3044\u304f\u3064\u304b\u306e\u95a2\u4fc2\u30bf\u30a4\u30d7\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u304c\u3001\u5b66\u751f\u306f\u95a2\u9023\u6027\u3084\u5408\u6210\u304c\u9069\u5207\u306a\u5834\u5408\u3067\u3082\u3001\u3057\u3070\u3057\u3070\u7d99\u627f\uff08\u4e00\u822c\u5316\uff09\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3068\u3057\u3066\u3057\u307e\u3046\u3002\u3053\u308c\u304c\u300cis-a\u300d\u3068\u300chas-a\u300d\u306e\u6df7\u4e71\u3067\u3042\u308b\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f5c\u6210\u3059\u308b<code>Human<\/code> \u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001<code>Employee<\/code> \u3068<code>Student<\/code> \u304c\u305d\u308c\u3092\u7d99\u627f\u3059\u308b\u3002<\/li>\n<li>\u4f5c\u6210\u3059\u308b<code>SavingsAccount<\/code> \u3092<code>CheckingAccount<\/code> \u4e00\u90e8\u306e\u6a5f\u80fd\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5358\u306b\u7d99\u627f\u3059\u308b\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u7d99\u627f\u306f\u53b3\u683c\u306a\u968e\u5c64\u3092\u610f\u5473\u3059\u308b\u3002\u3082\u3057<code>Student<\/code> \u304c<code>Employee<\/code> \u3092\u7d99\u627f\u3059\u308b\u306a\u3089\u3070\u3001\u5b66\u751f\u306f\u5f93\u696d\u54e1\u306e\u4e00\u7a2e\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u30aa\u30fc\u30d7\u30f3\u30fb\u30af\u30ed\u30fc\u30ba\u30c9\u539f\u5247\u306b\u9055\u53cd\u3057\u3001<code>Employee<\/code> \u30af\u30e9\u30b9\u306b\u5b66\u751f\u306b\u95a2\u9023\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u542b\u3081\u308b\u3053\u3068\u3092\u5f37\u3044\u308b\u3002\u3055\u3089\u306b\u3001\u7d99\u627f\u306f\u5f37\u3044\u7d50\u5408\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3042\u308b\u3002\u89aa\u30af\u30e9\u30b9\u306e\u5909\u66f4\u304c\u3059\u3079\u3066\u306e\u5b50\u30af\u30e9\u30b9\u306b\u6ce2\u53ca\u3057\u3001\u4fdd\u5b88\u306e\u30ea\u30b9\u30af\u3092\u751f\u3058\u308b\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u3059\u308b<strong>Composition<\/strong> 1\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6240\u6709\u3059\u308b\u5834\u5408\u3002A <code>\u8eca<\/code> \u3092\u6240\u6709\u3059\u308b<code>\u30a8\u30f3\u30b8\u30f3<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3002\u30a8\u30f3\u30b8\u30f3\u304c\u6545\u969c\u3059\u308c\u3070\u3001\u8eca\u306f\u58ca\u308c\u308b\u3002<\/li>\n<li> \u4f7f\u7528\u3059\u308b<strong>\u96c6\u7d04<\/strong> \u95a2\u4fc2\u304c\u7de9\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u3002A <code>\u90e8\u7f72<\/code> \u306f <code>\u5b66\u751f<\/code> \u3060\u304c\u3001\u5b66\u751f\u306f\u90e8\u7f72\u304c\u306a\u304f\u3066\u3082\u5b58\u5728\u3067\u304d\u308b\u3002<\/li>\n<li> \u4f7f\u7528\u3059\u308b<strong>\u95a2\u9023<\/strong> \u6240\u6709\u95a2\u4fc2\u304c\u793a\u3055\u308c\u306a\u3044\u4e00\u822c\u7684\u306a\u63a5\u7d9a\u306b\u4f7f\u7528\u3059\u308b\u3002A <code>\u6559\u5e2b<\/code> \u306f <code>\u6388\u696d<\/code>.<\/li>\n<li>\u4e88\u7d04\u3059\u308b<strong>\u7d99\u627f<\/strong> \u89aa\u306e\u7279\u6b8a\u5316\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b\u5b50\u304c\u771f\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u95a2\u4fc2\u306b\u3042\u308b\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>3. \u53ef\u8996\u6027\u4fee\u98fe\u5b50\u3092\u7121\u8996\u3059\u308b \ud83d\udd12<\/h2>\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u6838\u3068\u306a\u308b\u67f1\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u56f3\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u5c5e\u6027\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u30d1\u30d6\u30ea\u30c3\u30af\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u90e8\u72b6\u614b\u304c\u5916\u90e8\u306b\u6652\u3055\u308c\u3001\u4efb\u610f\u306e\u5909\u66f4\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u30af\u30e9\u30b9\u5185\u306e\u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f<code>\u9280\u884c\u53e3\u5ea7<\/code> \u30af\u30e9\u30b9\u306f\u3059\u3079\u3066<code>+<\/code>\uff08\u30d1\u30d6\u30ea\u30c3\u30af\uff09\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n<li>\u5185\u90e8\u30d8\u30eb\u30d1\u30fc\u3068\u3057\u3066\u5185\u90e8\u3067\u4f7f\u7528\u3059\u3079\u304d\u30e1\u30bd\u30c3\u30c9\u304c\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u5c5e\u6027\u304c\u30d1\u30d6\u30ea\u30c3\u30af\u3067\u3042\u308b\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4efb\u610f\u306e\u90e8\u5206\u304c\u305d\u308c\u3089\u3092\u5909\u66f4\u3067\u304d\u308b\u3002\u3082\u3057<code>\u6b8b\u9ad8<\/code>\u5c5e\u6027\u304c\u30d1\u30d6\u30ea\u30c3\u30af\u3067\u3042\u308b\u3068\u3001\u958b\u767a\u8005\u304c\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u767a\u52d5\u3055\u305b\u305a\u306b-1000\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u56de\u907f\u3057\u3001\u30c7\u30fc\u30bf\u306e\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002\u307e\u305f\u3001\u5185\u90e8\u72b6\u614b\u304c\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30af\u30e9\u30b9\u306e\u4fdd\u5b88\u6027\u304c\u4f4e\u4e0b\u3059\u308b\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u5c5e\u6027\u306f<code>-<\/code>\uff08\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\uff09\u3068\u3057\u3066\u30de\u30fc\u30af\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u5b9f\u88c5\u306e\u8a73\u7d30\u304c\u96a0\u853d\u3055\u308c\u308b\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u8a31\u53ef\u3059\u308b\u5834\u5408\u3001\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u542b\u3080\u30bb\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3059\u308b\u3002<code>#<\/code>\uff08\u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\uff09\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u308c\u306f\u73fe\u4ee3\u306e\u8a2d\u8a08\u3067\u306f\u7a00\u3067\u3042\u308b\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u8a31\u53ef\u3059\u308b\u5834\u5408\u3001\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u542b\u3080\u30bb\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3059\u308b\u3002<code>+<\/code>\uff08\u30d1\u30d6\u30ea\u30c3\u30af\uff09\u3092\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>4. \u9ad8\u3044\u7d50\u5408\u6027\u3068\u4f4e\u3044\u4e00\u8cab\u6027 \ud83e\udde9<\/h2>\n<p>\u4e00\u8cab\u6027\u3068\u306f\u3001\u5358\u4e00\u306e\u30af\u30e9\u30b9\u306e\u8cac\u4efb\u304c\u3069\u308c\u307b\u3069\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u3044\u308b\u304b\u3092\u6307\u3059\u3002\u7d50\u5408\u6027\u3068\u306f\u3001\u3042\u308b\u30af\u30e9\u30b9\u304c\u4ed6\u306e\u30af\u30e9\u30b9\u306b\u3069\u308c\u307b\u3069\u4f9d\u5b58\u3057\u3066\u3044\u308b\u304b\u3092\u6307\u3059\u3002\u5b66\u751f\u306f\u3057\u3070\u3057\u3070\u3001\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u306e\u3053\u3068\u3092\u3059\u308b\uff08\u4f4e\u4e00\u8cab\u6027\uff09\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306b\u5f37\u304f\u4f9d\u5b58\u3059\u308b\uff08\u9ad8\u7d50\u5408\u6027\uff09\u8a2d\u8a08\u3068\u306a\u308b\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u76f4\u63a5<code>\u30ec\u30dd\u30fc\u30c8\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf<\/code>\u30af\u30e9\u30b9\u3002<\/li>\n<li>\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u76f4\u63a5<code>\u30e6\u30fc\u30b6\u30fc\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b<code>\u6ce8\u6587<\/code>\u30af\u30e9\u30b9\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u30af\u30e9\u30b9\u306b\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u306e\u8cac\u4efb\u304c\u3042\u308b\u3068\u3001\u4e00\u3064\u306e\u6a5f\u80fd\u3092\u5909\u66f4\u3059\u308b\u3068\u4ed6\u306e\u6a5f\u80fd\u304c\u58ca\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u306f\u300c\u30b4\u30c3\u30c9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306e\u53cd\u30d1\u30bf\u30fc\u30f3\u3067\u3042\u308b\u3002\u9ad8\u3044\u7d50\u5408\u6027\u306f\u3001\u5358\u4e00\u306e\u95a2\u6570\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u4f9d\u5b58\u95a2\u4fc2\u30c1\u30a7\u30fc\u30f3\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u30c6\u30b9\u30c8\u3092\u56f0\u96e3\u306b\u3059\u308b\u3002\u307e\u305f\u518d\u5229\u7528\u6027\u3082\u4f4e\u4e0b\u3059\u308b\u3002<code>\u30ec\u30dd\u30fc\u30c8\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf<\/code>\u3092\u5225\u306e\u90e8\u5206\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u305d\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u5f15\u304d\u305a\u3063\u3066\u3044\u304b\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u9069\u7528\u3059\u308b\uff1a<strong>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247<\/strong>\u3002\u30af\u30e9\u30b9\u306f\u5909\u66f4\u3055\u308c\u308b\u3079\u304d\u7406\u7531\u304c\u4e00\u3064\u3060\u3051\u3067\u3042\u308b\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n<li>\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4e2d\u9593\u306e\u30af\u30e9\u30b9\u3084\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3002\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3068\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64\u3092\u5206\u96e2\u3059\u308b\u3002<\/li>\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u4f9d\u5b58\u95a2\u4fc2\u3092\u5206\u96e2\u3059\u308b\u3002\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u3067\u306f\u306a\u304f\u3001\u62bd\u8c61\u5316\u306b\u4f9d\u5b58\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>5. \u5faa\u74b0\u4f9d\u5b58 \u26d3\ufe0f<\/h2>\n<p>\u30af\u30e9\u30b9\u56f3\u306f\u7406\u60f3\u7684\u306b\u306f\u6709\u5411\u975e\u5de1\u56de\u30b0\u30e9\u30d5\uff08DAG\uff09\u3067\u3042\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u5faa\u74b0\u306f\u3001\u30af\u30e9\u30b9A\u304c\u30af\u30e9\u30b9B\u306b\u4f9d\u5b58\u3057\u3001\u30af\u30e9\u30b9B\u304c\u30af\u30e9\u30b9A\u306b\u4f9d\u5b58\u3059\u308b\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u3002\u305f\u3068\u3048\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u304c\u3001\u5b66\u751f\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u306f\u8d64\u4fe1\u53f7\u3067\u3042\u308b\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li><code>\u5b66\u751f<\/code>\u306f\u53c2\u7167\u3092\u6301\u3063\u3066\u3044\u308b<code>\u6388\u696d<\/code>\u3001\u305d\u3057\u3066<code>\u6388\u696d<\/code>\u306f\u53c2\u7167\u3092\u6301\u3063\u3066\u3044\u308b<code>\u5b66\u751f<\/code>\u6210\u7e3e\u3092\u8a08\u7b97\u3059\u308b\u76ee\u7684\u3067\u3002<\/li>\n<li><code>\u6ce8\u6587<\/code>\u306f\u547c\u3073\u51fa\u3059<code>\u652f\u6255\u3044<\/code>\u3001\u305d\u3057\u3066<code>\u652f\u6255\u3044<\/code>\u306f\u66f4\u65b0\u3059\u308b<code>\u6ce8\u6587<\/code>\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u5373\u5ea7\u306b\u66f4\u65b0\u3059\u308b\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u5faa\u74b0\u306f\u521d\u671f\u5316\u3092\u56f0\u96e3\u306b\u3059\u308b\u5f37\u3044\u4f9d\u5b58\u95a2\u4fc2\u3092\u751f\u307f\u51fa\u3059\u3002A\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306b\u306fB\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001B\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306b\u306fA\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u5faa\u74b0\u53c2\u7167\u30a8\u30e9\u30fc\u307e\u305f\u306f\u8907\u96d1\u306a\u521d\u671f\u5316\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u591a\u3044\u3002\u307e\u305f\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3082\u5371\u967a\u306b\u306a\u308b\u3002\u4e00\u65b9\u306e\u30af\u30e9\u30b9\u306e\u69cb\u9020\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u3082\u3046\u4e00\u65b9\u304c\u58ca\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e2d\u9593\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3002<code>\u6210\u7e3e\u8a08\u7b97\u30b5\u30fc\u30d3\u30b9<\/code> \u95a2\u4fc2\u3092\u7ba1\u7406\u3059\u308b <code>\u751f\u5f92<\/code> \u3068 <code>\u6388\u696d<\/code>.<\/li>\n<li>\u30a4\u30d9\u30f3\u30c8\u3084\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3002\u76f4\u63a5 <code>\u652f\u6255\u3044<\/code> \u66f4\u65b0\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001<code>\u6ce8\u6587<\/code> \u76f4\u63a5\u66f4\u65b0\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001<code>\u6ce8\u6587<\/code> \u304c\u76e3\u8996\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u884c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u7d76\u5bfe\u306b\u5fc5\u8981\u3067\u306a\u3044\u9650\u308a\u3001\u53cc\u65b9\u5411\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u907f\u3051\u308b\u3002<\/li>\n<\/ul>\n<h2>6. \u60c5\u5831\u4e0d\u8db3\u307e\u305f\u306f\u904e\u5270\u306a\u8a73\u7d30 \ud83d\udcdd<\/h2>\n<p>\u30af\u30e9\u30b9\u56f3\u306f\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u3042\u308b\u3002\u4e0a\u4f4d\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u4e0b\u4f4d\u306e\u5b9f\u88c5\u8a73\u7d30\u306e\u9593\u3067\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u3089\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u5909\u6570\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u5217\u6319\u3057\u3001\u56f3\u3092\u4ed5\u69d8\u66f8\u306e\u3088\u3046\u306a\u3082\u306e\u306b\u3059\u308b\u3053\u3068\u3002<\/li>\n<li>\u5c5e\u6027\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u307e\u3063\u305f\u304f\u7701\u7565\u3057\u3001\u56f3\u306b\u5b9f\u8cea\u7684\u306a\u5185\u5bb9\u304c\u306a\u304f\u306a\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u8a73\u7d30\u304c\u591a\u3059\u304e\u308b\u3068\u8996\u899a\u7684\u306a\u30ce\u30a4\u30ba\u304c\u751f\u3058\u3001\u91cd\u8981\u306a\u95a2\u4fc2\u304c\u898b\u3048\u306b\u304f\u304f\u306a\u308b\u3002\u9006\u306b\u8a73\u7d30\u304c\u5c11\u306a\u3059\u304e\u308b\u3068\u3001\u5b9f\u88c5\u3092\u30ac\u30a4\u30c9\u3059\u308b\u4e0a\u3067\u56f3\u306f\u5f79\u306b\u7acb\u305f\u306a\u304f\u306a\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u5236\u7d04\u3084\u8ad6\u7406\u3092\u4f1d\u3048\u3089\u308c\u306a\u3044\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u516c\u958b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u6ce8\u76ee\u3059\u308b\u3002\u4ed6\u306e\u30af\u30e9\u30b9\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u793a\u3059\u3002<\/li>\n<li>\u95a2\u9023\u3059\u308b\u5c5e\u6027\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3002\u30af\u30e9\u30b9\u306b10\u500b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3042\u308b\u5834\u5408\u3001\u8981\u7d04\u3059\u308b\u304b\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u5b9a\u7fa9\u3059\u308b\u91cd\u8981\u306a\u3082\u306e\u3092\u8868\u793a\u3059\u308b\u3002<\/li>\n<li>\u632f\u308b\u821e\u3044\u3092\u793a\u3059\u305f\u3081\u306b\u30b9\u30bf\u30fc\u30ea\u30a2\u30bf\u30a4\u30d7\u3092\u4f7f\u7528\u3059\u308b\uff08\u4f8b\uff1a<code>&lt;&lt;\u30b5\u30fc\u30d3\u30b9&gt;&gt;<\/code>, <code>&lt;&lt;\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3&gt;&gt;<\/code>\uff09\u3092\u3001\u3059\u3079\u3066\u306e\u30b2\u30c3\u30bf\u30fc\/\u30bb\u30c3\u30bf\u30fc\u3092\u5217\u6319\u3059\u308b\u4ee3\u308f\u308a\u306b\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>7. \u540d\u524d\u4ed8\u3051\u898f\u5247\u3068\u53ef\u8aad\u6027 \ud83d\udcda<\/h2>\n<p>\u660e\u78ba\u306a\u540d\u524d\u4ed8\u3051\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u69cb\u9020\u7684\u306a\u6b63\u78ba\u3055\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u96e3\u89e3\u306a\u540d\u524d\u3092\u4f7f\u7528\u3057\u305f\u56f3\u306f\u7406\u89e3\u3067\u304d\u306a\u3044\u3002<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u8aa4\u308a\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e00\u822c\u7684\u306a\u540d\u524d\u3092\u6b21\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\uff1a<code>Class1<\/code>, <code>ObjectA<\/code>, <code>Manager<\/code>.<\/li>\n<li>snake_case\u3084camelCase\u3092\u4e00\u8cab\u6027\u306a\u304f\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li>\u5b9a\u7fa9\u306e\u306a\u3044\u7565\u8a9e\u3092\u4f7f\u7528\u3059\u308b\uff08\u4f8b\uff1a<code>UI<\/code>, <code>DB<\/code>, <code>API<\/code>).<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u7528\u8a9e\u3092\u7406\u89e3\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u8a2d\u8a08\u3092\u691c\u8a3c\u3067\u304d\u306a\u304f\u306a\u308b\u3002\u56f3\u3092\u8aad\u3080\u8ab0\u306b\u3068\u3063\u3066\u3082\u8a8d\u77e5\u8ca0\u8377\u304c\u5897\u52a0\u3059\u308b\u3002\u66d6\u6627\u3055\u306f\u5b9f\u88c5\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u306e\u8a00\u8a9e\u3092\u4f7f\u7528\u3059\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u304c\u91d1\u878d\u3067\u3042\u308c\u3070\u3001\u6b21\u306e\u3088\u3046\u306a\u7528\u8a9e\u3092\u4f7f\u7528\u3059\u308b\uff1a<code>Transaction<\/code> \u307e\u305f\u306f <code>Ledger<\/code>\u3001\u6b21\u306e\u3088\u3046\u306a\u7528\u8a9e\u3067\u306f\u306a\u304f<code>Record<\/code>.<\/li>\n<li>\u4e00\u8cab\u3057\u305f\u547d\u540d\u898f\u5247\u3092\u63a1\u7528\u3059\u308b\uff08\u4f8b\uff1a\u30af\u30e9\u30b9\u306b\u306fPascalCase\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u306fcamelCase\uff09\u3002<\/li>\n<li>\u540d\u524d\u304c\u30bf\u30a4\u30d7\u3060\u3051\u3067\u306a\u304f\u5f79\u5272\u3092\u8aac\u660e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<code>PaymentProcessor<\/code>\u306f\u3001\u6b21\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u308b<code>\u652f\u6255\u3044\u30cf\u30f3\u30c9\u30e9<\/code>.<\/li>\n<\/ul>\n<h2>\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306e\u6982\u8981<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u4e0a\u8a18\u3067\u8b70\u8ad6\u3055\u308c\u305f\u843d\u3068\u3057\u7a74\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3001\u78ba\u8a8d\u306e\u305f\u3081\u306e\u8fc5\u901f\u306a\u53c2\u7167\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u843d\u3068\u3057\u7a74<\/th>\n<th>\u5146\u5019<\/th>\n<th>\u7d50\u679c<\/th>\n<th>\u4fee\u6b63<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u904e\u5270\u8a2d\u8a08<\/td>\n<td>\u5c0f\u3055\u306a\u30bf\u30b9\u30af\u306b\u591a\u3059\u304e\u308b\u30af\u30e9\u30b9<\/td>\n<td>\u9ad8\u3044\u8907\u96d1\u6027\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u56f0\u96e3<\/td>\n<td>\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u7d71\u5408\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u95a2\u4fc2\u306e\u6df7\u4e71<\/td>\n<td>&#8220;\u6240\u6709\u95a2\u4fc2\uff08has-a\uff09&#8221; \u306b\u7d99\u627f\u3092\u4f7f\u7528\u3059\u308b<\/td>\n<td>\u5f37\u3044\u7d50\u5408\u3001\u786c\u76f4\u3057\u305f\u968e\u5c64\u69cb\u9020<\/td>\n<td>\u5408\u6210\u307e\u305f\u306f\u95a2\u9023\u3092\u4f7f\u7528\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u8996\u6027\u306e\u554f\u984c<\/td>\n<td>\u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30d1\u30d6\u30ea\u30c3\u30af\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b<\/td>\n<td>\u30c7\u30fc\u30bf\u7834\u640d\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af<\/td>\n<td>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u5c5e\u6027\u3092\u4f7f\u7528\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u3044\u7d50\u5408\u5ea6<\/td>\n<td>\u30af\u30e9\u30b9\u304c\u4ed6\u306e\u30af\u30e9\u30b9\u306b\u4f9d\u5b58\u3057\u3059\u304e\u3066\u3044\u308b<\/td>\n<td>\u30c6\u30b9\u30c8\u3084\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u304c\u56f0\u96e3<\/td>\n<td>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u3092\u9069\u7528\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u5faa\u74b0\u4f9d\u5b58<\/td>\n<td>A\u306fB\u306b\u4f9d\u5b58\u3057\u3001B\u306fA\u306b\u4f9d\u5b58\u3059\u308b<\/td>\n<td>\u521d\u671f\u5316\u30a8\u30e9\u30fc\u3001\u5faa\u74b0\u8ad6\u6cd5<\/td>\n<td>\u30b5\u30fc\u30d3\u30b9\u3084\u30a4\u30d9\u30f3\u30c8\u3092\u5c0e\u5165\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u8a73\u7d30\u306e\u4e0d\u5747\u8861<\/td>\n<td>\u60c5\u5831\u304c\u591a\u3059\u304e\u305f\u308a\u5c11\u306a\u3059\u304e\u305f\u308a<\/td>\n<td>\u8996\u899a\u7684\u306a\u30ce\u30a4\u30ba\u3084\u66d6\u6627\u3055<\/td>\n<td>\u516c\u958b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u6ce8\u76ee\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u9069\u5207\u3067\u306a\u3044\u540d\u524d\u4ed8\u3051<\/td>\n<td>\u4e00\u822c\u7684\u3059\u304e\u308b\u3001\u307e\u305f\u306f\u4e00\u8cab\u6027\u306e\u306a\u3044\u540d\u524d<\/td>\n<td>\u8aa4\u89e3\u3001\u8aa4\u308a<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u8a00\u8a9e\u3092\u4f7f\u7528\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u8a2d\u8a08\u3092\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u305f\u3081\u306e\u5b9f\u8df5\u7684\u306a\u30b9\u30c6\u30c3\u30d7 \ud83d\udd0d<\/h2>\n<p>\u56f3\u3092\u6700\u7d42\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u982d\u306e\u4e2d\u3067\u691c\u8a3c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u69cb\u9020\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u5177\u4f53\u7684\u306a\u8cea\u554f\u3092\u81ea\u5206\u306b\u6295\u3052\u304b\u3051\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u3053\u306e\u30af\u30e9\u30b9\u3092\u72ec\u7acb\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>\u3082\u3057\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u3001\u305d\u308c\u306f\u8907\u5408\u90e8\u54c1\u3067\u3059\u304b\uff1f<\/li>\n<li><strong>\u3053\u306e\u30af\u30e9\u30b9\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u304c\u58ca\u308c\u307e\u3059\u304b\uff1f<\/strong>\u3082\u3057\u305d\u3046\u306a\u3089\u3001\u7d50\u5408\u5ea6\u304c\u9ad8\u3059\u304e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u540d\u524d\u306f\u8aac\u660e\u7684\u3067\u3059\u304b\uff1f<\/strong>\u30e1\u30bd\u30c3\u30c9\u30ea\u30b9\u30c8\u3092\u8aad\u307e\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3092\u8aac\u660e\u3067\u304d\u307e\u3059\u304b\uff1f<\/li>\n<li><strong>\u95a2\u4fc2\u6027\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/strong>\u3053\u306e\u30ea\u30f3\u30af\u304c\u306a\u3051\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u6a5f\u80fd\u3057\u307e\u3059\u304b\uff1f<\/li>\n<\/ul>\n<p>\u6bb5\u968e\u7684\u306a\u6539\u5584\u304c\u9375\u3067\u3059\u3002\u9ad8\u30ec\u30d9\u30eb\u306e\u8996\u70b9\u304b\u3089\u59cb\u3081\u3001\u6bb5\u968e\u7684\u306b\u8a73\u7d30\u3092\u52a0\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u6700\u521d\u306e\u6bb5\u968e\u3067\u3059\u3079\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u63cf\u3053\u3046\u3068\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u306e\u4e3b\u8981\u306a\u95a2\u4fc2\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u8a08\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u4e0d\u8981\u306a\u30af\u30e9\u30b9\u3092\u524a\u9664\u3057\u3001\u985e\u4f3c\u3057\u305f\u76ee\u7684\u3092\u6301\u3064\u30af\u30e9\u30b9\u3092\u7d71\u5408\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u8cac\u4efb\u306e\u5272\u308a\u5f53\u3066\u3092\u7406\u89e3\u3059\u308b \ud83c\udfdb\ufe0f<\/h2>\n<p>\u5b66\u751f\u304c\u82e6\u6226\u3059\u308b\u5fae\u7d30\u306a\u9818\u57df\u306e\u4e00\u3064\u304c\u3001\u8cac\u4efb\u306e\u5272\u308a\u5f53\u3066\u3067\u3059\u3002\u3053\u306e\u554f\u3044\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u300cX\u306b\u3064\u3044\u3066\u8ab0\u304c\u77e5\u308b\u3079\u304d\u304b\uff1f\u300d\u3042\u308b\u3044\u306f\u300cY\u3092\u8ab0\u304c\u884c\u3046\u3079\u304d\u304b\uff1f\u300d<\/p>\n<p><strong>\u3088\u304f\u3042\u308b\u9593\u9055\u3044\uff1a<\/strong><\/p>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u307e\u305f\u306f\u30e1\u30a4\u30f3\u30af\u30e9\u30b9\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u304c\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<p><strong>\u306a\u305c\u3053\u308c\u304c\u5931\u6557\u3059\u308b\u306e\u304b\uff1a<\/strong><\/p>\n<p>\u3053\u308c\u306f\u300c\u60c5\u5831\u5c02\u9580\u5bb6\u300d\u306e\u539f\u5247\u306b\u9055\u53cd\u3057\u3066\u3044\u307e\u3059\u3002\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u304c\u3001\u305d\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u3079\u304d\u3067\u3059\u3002\u3082\u3057<code>\u6ce8\u6587<\/code>\u30af\u30e9\u30b9\u304c\u305d\u306e\u5408\u8a08\u91d1\u984d\u3092\u77e5\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b\u306e\u306f\u305d\u306e\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001<code>\u8a08\u7b97\u6a5f<\/code>\u30af\u30e9\u30b9\u304c<code>\u6ce8\u6587<\/code>\u304b\u3089\u305d\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u5c0b\u306d\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong><\/p>\n<ul>\n<li>\u632f\u308b\u821e\u3044\u3092\u30c7\u30fc\u30bf\u3092\u542b\u3080\u30af\u30e9\u30b9\u306b\u5272\u308a\u5f53\u3066\u308b\u3002A <code>Car<\/code>\u306b\u306f\u3001<code>calculateFuelEfficiency()<\/code>\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u305d\u308c\u306f\u8d70\u884c\u8ddd\u96e2\u3092\u628a\u63e1\u3057\u3066\u3044\u308b\u304b\u3089\u3060\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u30af\u30e9\u30b9\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u4fdd\u3064\u3053\u3068\u3002\u305d\u308c\u3089\u306f\u8ad6\u7406\u51e6\u7406\u3067\u306f\u306a\u304f\u3001\u6c38\u7d9a\u5316\u306b\u96c6\u4e2d\u3059\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n<li>\u8907\u6570\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u542b\u3080\u8907\u96d1\u306a\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u5c64\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u60aa\u3044\u8a2d\u8a08\u306e\u30b3\u30b9\u30c8 \ud83d\udcc9<\/h2>\n<p>\u3053\u308c\u3089\u306e\u843d\u3068\u3057\u7a74\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u305f\u3060\u898b\u3065\u3089\u3044\u56f3\u9762\u306b\u306a\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8106\u5f31\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306b\u306a\u308b\u3002\u69cb\u9020\u306b\u6b20\u9665\u304c\u3042\u308b\u3068\u3001\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306f\u3001\u65b0\u3057\u3044\u90e8\u5c4b\u3092\u5efa\u3066\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u6f0f\u308c\u3092\u88dc\u4fee\u3059\u308b\u4f5c\u696d\u306b\u306a\u308b\u3002\u6280\u8853\u7684\u8ca0\u50b5\u304c\u6025\u901f\u306b\u84c4\u7a4d\u3055\u308c\u308b\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b0\u30e9\u30d5\u304c\u8907\u96d1\u306b\u306a\u308b\u305f\u3081\u3001\u30d0\u30b0\u306e\u518d\u73fe\u304c\u96e3\u3057\u304f\u306a\u308b\u3002<\/p>\n<p>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u74b0\u5883\u3067\u306f\u3001\u958b\u767a\u30b5\u30a4\u30af\u30eb\u304c\u9577\u304f\u306a\u308a\u3001\u4fdd\u5b88\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u3002\u5b66\u751f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u8a2d\u8a08\u306e\u6574\u5408\u6027\u304c\u6b20\u3051\u308b\u305f\u3081\u3001\u6210\u7e3e\u304c\u4f4e\u304f\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u56f3\u306f\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u6700\u521d\u306e\u9632\u885b\u7dda\u3067\u3042\u308b\u3002<\/p>\n<h2>\u69cb\u9020\u7684\u6574\u5408\u6027\u306b\u3064\u3044\u3066\u306e\u6700\u7d42\u7684\u306a\u8003\u5bdf \ud83c\udfdb\ufe0f<\/h2>\n<p>\u30af\u30e9\u30b9\u56f3\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u81ea\u5236\u5fc3\u306e\u8a13\u7df4\u3067\u3042\u308b\u3002\u3059\u3050\u306b\u3059\u3079\u3066\u306e\u7d30\u90e8\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3088\u3046\u3068\u3059\u308b\u8a98\u60d1\u306b\u62b5\u6297\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u5883\u754c\u306e\u660e\u78ba\u306a\u7406\u89e3\u304c\u6c42\u3081\u3089\u308c\u308b\u3002\u3053\u3053\u3067\u6307\u6458\u3055\u308c\u305f\u4e00\u822c\u7684\u306a\u7f60\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u660e\u78ba\u6027\u3092\u652f\u3048\u308b\u57fa\u76e4\u304c\u7bc9\u304b\u308c\u308b\u3002\u6700\u521d\u306e\u8a66\u307f\u3067\u5b8c\u74a7\u306a\u56f3\u3092\u63cf\u304f\u3053\u3068\u304c\u76ee\u7684\u3067\u306f\u306a\u304f\u3001\u4fdd\u5b88\u53ef\u80fd\u3067\u7406\u89e3\u3057\u3084\u3059\u3044\u56f3\u3092\u4f5c\u308b\u3053\u3068\u304c\u76ee\u7684\u3067\u3042\u308b\u3002<\/p>\n<p>\u95a2\u4fc2\u6027\u306b\u6ce8\u76ee\u3057\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5883\u754c\u3092\u5c0a\u91cd\u3057\u3001\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u304c\u660e\u78ba\u3067\u5358\u4e00\u306e\u76ee\u7684\u3092\u6301\u3064\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u539f\u5247\u306f\u3001\u4f7f\u7528\u3059\u308b\u7279\u5b9a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3084\u30e2\u30c7\u30eb\u5316\u30c4\u30fc\u30eb\u306b\u304b\u304b\u308f\u3089\u305a\u9069\u7528\u3055\u308c\u308b\u3002\u8a2d\u8a08\u306e\u69cb\u9020\u304c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u54c1\u8cea\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30e9\u30b9\u56f3\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8a2d\u8a08\u306e\u57fa\u76e4\u3092\u306a\u3059\u3002\u62bd\u8c61&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1108,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u30af\u30e9\u30b9\u56f3\u306e\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\uff1a\u5b66\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u306e\u6559\u8a13","_yoast_wpseo_metadesc":"\u5b66\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u898b\u3089\u308c\u308b\u30af\u30e9\u30b9\u56f3\u8a2d\u8a08\u306e\u4e00\u822c\u7684\u306a\u8aa4\u308a\u3092\u8abf\u67fb\u3059\u308b\u3002UML\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u95a2\u4fc2\u6027\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3001\u69cb\u9020\u7684\u6574\u5408\u6027\u3092\u5b66\u3076\u3002","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[13],"tags":[43,45],"class_list":["post-1107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-class-diagram"],"yoast_head":"<!-- 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