{"id":1105,"date":"2026-03-31T22:07:10","date_gmt":"2026-03-31T22:07:10","guid":{"rendered":"https:\/\/www.method-post.com\/ja\/top-20-student-questions-class-diagrams-software-engineering\/"},"modified":"2026-03-31T22:07:10","modified_gmt":"2026-03-31T22:07:10","slug":"top-20-student-questions-class-diagrams-software-engineering","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/ja\/top-20-student-questions-class-diagrams-software-engineering\/","title":{"rendered":"Q&#038;A\uff1a\u30af\u30e9\u30b9\u56f3\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u306b\u304a\u3051\u308b\u305d\u306e\u5f79\u5272\u306b\u3064\u3044\u3066\u306e\u5b66\u751f\u306e\u4ee3\u8868\u7684\u306a20\u306e\u8cea\u554f\u3078\u306e\u56de\u7b54"},"content":{"rendered":"<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u306f\u3001\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u69cb\u9020\u3092\u4f1d\u3048\u308b\u305f\u3081\u306b\u8996\u899a\u30e2\u30c7\u30eb\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u306e\u6a19\u6e96\u306e\u4e2d\u3067\u3082\u3001\u30af\u30e9\u30b9\u56f3\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u57fa\u672c\u7684\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u969b\u7acb\u3063\u3066\u3044\u308b\u3002\u3053\u306e\u5206\u91ce\u306b\u9032\u3080\u5b66\u751f\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u56f3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u9078\u629e\u80a2\u3067\u306f\u306a\u304f\u3001\u5fc5\u9808\u306e\u80fd\u529b\u3067\u3042\u308b\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30af\u30e9\u30b9\u56f3\u306b\u95a2\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u8cea\u554f\u306b\u7b54\u3048\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u69cb\u7bc9\u65b9\u6cd5\u3001\u76ee\u7684\u3001\u5b9f\u969b\u306e\u5de5\u5b66\u73fe\u5834\u3067\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u660e\u78ba\u306a\u8aac\u660e\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic illustrating UML class diagram fundamentals for software engineering students, showing class structure with three compartments, visibility modifiers (+ - # ~), relationship types including inheritance aggregation composition dependency, multiplicity notations 1 0..1 1..* 0..*, and comparison with sequence diagrams in educational hand-drawn contour style\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/uml-class-diagrams-student-guide-infographic-charcoal-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u30af\u30e9\u30b9\u56f3\u3068\u306f\u4e00\u4f53\u4f55\u3067\u3059\u304b\uff1f \ud83d\udcca<\/h2>\n<p>\u30af\u30e9\u30b9\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30af\u30e9\u30b9\u3001\u305d\u306e\u5c5e\u6027\u3001\u64cd\u4f5c\uff08\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\uff09\u3001\u304a\u3088\u3073\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u95a2\u4fc2\u3092\u793a\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3059\u308b\u9759\u7684\u69cb\u9020\u56f3\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8a2d\u8a08\u56f3\u3092\u63d0\u4f9b\u3059\u308b\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u304c\u6642\u9593\u306e\u7d4c\u904e\u306b\u4f34\u3046\u52d5\u7684\u306a\u632f\u308b\u821e\u3044\u3092\u793a\u3059\u306e\u306b\u5bfe\u3057\u3001\u30af\u30e9\u30b9\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u300c\u540d\u8a5e\u300d\u306b\u6ce8\u76ee\u3057\u3001\u300c\u52d5\u8a5e\u300d\u306b\u306f\u6ce8\u76ee\u3057\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u9759\u7684\u8996\u70b9\uff1a<\/strong> \u3053\u308c\u306f\u30b7\u30b9\u30c6\u30e0\u3092\u7279\u5b9a\u306e\u6642\u70b9\u3067\u306e\u72b6\u614b\u3068\u3057\u3066\u8868\u3059\u3002<\/li>\n<li><strong>\u8a2d\u8a08\u56f3\uff1a<\/strong> \u958b\u767a\u8005\u306f\u3001Java\u3001C++\u3001Python\u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u30b3\u30fc\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u3053\u308c\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff1a<\/strong> \u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u304c\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u8ad6\u7406\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u53c2\u7167\u8cc7\u6599\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>2. \u30af\u30e9\u30b9\u306e3\u3064\u306e\u4e3b\u8981\u306a\u90e8\u54c1\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f \ud83d\udce6<\/h2>\n<p>\u6a19\u6e96\u7684\u306a\u30af\u30e9\u30b9\u56f3\u306f\u3001\u5404\u30af\u30e9\u30b9\u3092\u660e\u78ba\u306b\u60c5\u5831\u3092\u6574\u7406\u3059\u308b\u305f\u3081\u306e3\u3064\u306e\u7570\u306a\u308b\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u5206\u3051\u308b\u3002<\/p>\n<table>\n<tr>\n<th>\u30bb\u30af\u30b7\u30e7\u30f3<\/th>\n<th>\u5185\u5bb9<\/th>\n<\/tr>\n<tr>\n<td>\u540d\u524d<\/td>\n<td>\u30af\u30e9\u30b9\u306e\u8b58\u5225\u5b50\u3002\u901a\u5e38\u3001\u4e0a\u90e8\u306b\u8a18\u8f09\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5c5e\u6027<\/td>\n<td>\u30af\u30e9\u30b9\u304c\u6240\u6709\u3059\u308b\u5909\u6570\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30d7\u30ed\u30d1\u30c6\u30a3\u3002\u4e2d\u592e\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u914d\u7f6e\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30e1\u30bd\u30c3\u30c9<\/td>\n<td>\u30af\u30e9\u30b9\u304c\u5b9f\u884c\u3067\u304d\u308b\u95a2\u6570\u307e\u305f\u306f\u632f\u308b\u821e\u3044\u3002\u4e0b\u90e8\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u914d\u7f6e\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<\/table>\n<h2>3. \u30af\u30e9\u30b9\u56f3\u3067\u53ef\u8996\u6027\u3092\u3069\u306e\u3088\u3046\u306b\u8868\u3057\u307e\u3059\u304b\uff1f \ud83d\udd12<\/h2>\n<p>\u53ef\u8996\u6027\u4fee\u98fe\u5b50\u306f\u3001\u30af\u30e9\u30b9\u5916\u304b\u3089\u306e\u30af\u30e9\u30b9\u30e1\u30f3\u30d0\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3059\u308b\u3002\u3053\u308c\u3089\u306f\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30d1\u30d6\u30ea\u30c3\u30af (+)\uff1a<\/strong>\u4ed6\u306e\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3002\u6700\u3082\u958b\u653e\u7684\u306a\u30a2\u30af\u30bb\u30b9\u30ec\u30d9\u30eb\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 (-)\uff1a<\/strong>\u30af\u30e9\u30b9\u5185\u90e8\u3067\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3002\u30c7\u30fc\u30bf\u306f\u5916\u90e8\u4e16\u754c\u304b\u3089\u96a0\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30c6\u30af\u30c8 (#)\uff1a<\/strong>\u30af\u30e9\u30b9\u304a\u3088\u3073\u305d\u306e\u30b5\u30d6\u30af\u30e9\u30b9\uff08\u7d99\u627f\u968e\u5c64\uff09\u5185\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3002<\/li>\n<li><strong>\u30d1\u30c3\u30b1\u30fc\u30b8 (~)\uff1a<\/strong>\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8\u307e\u305f\u306f\u540d\u524d\u7a7a\u9593\u5185\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3002<\/li>\n<\/ul>\n<h2>4. \u95a2\u9023\u3068\u96c6\u7d04\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f \ud83e\udde9<\/h2>\n<p>\u4e21\u65b9\u306e\u95a2\u4fc2\u306f\u30af\u30e9\u30b9\u3092\u30ea\u30f3\u30af\u3057\u307e\u3059\u304c\u3001\u6240\u6709\u6a29\u3068\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u4f9d\u5b58\u95a2\u4fc2\u306b\u304a\u3044\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u95a2\u9023\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u95a2\u4fc2\u3067\u3059\u3002\u5f37\u3044\u30ea\u30f3\u30af\u3092\u793a\u3057\u307e\u3059\u304c\u3001\u5fc5\u305a\u3057\u3082\u6240\u6709\u6a29\u3092\u610f\u5473\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u96c6\u7d04\uff1a<\/strong>\u300c\u5168\u4f53-\u90e8\u5206\u300d\u95a2\u4fc2\u3092\u8868\u3059\u7279\u5225\u306a\u95a2\u9023\u3067\u3001\u90e8\u5206\u306f\u5168\u4f53\u304b\u3089\u72ec\u7acb\u3057\u3066\u5b58\u5728\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u7279\u5b9a\u306e\u6559\u6388\u304c\u3044\u306a\u304f\u3066\u3082\u3001\u90e8\u7f72\u306f\u5b58\u5728\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>5. \u96c6\u7d04\u306e\u4ee3\u308f\u308a\u306b\u3001\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u7d44\u6210\u3092\u4f7f\u7528\u3059\u3079\u304d\u3067\u3059\u304b\uff1f \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7d44\u6210\u306f\u96c6\u7d04\u306e\u3088\u308a\u5f37\u3044\u5f62\u3067\u3059\u3002\u6392\u4ed6\u7684\u306a\u6240\u6709\u6a29\u3068\u53b3\u5bc6\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6240\u6709\u6a29\uff1a<\/strong>\u5168\u4f53\u304c\u90e8\u5206\u3092\u6240\u6709\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\uff1a<\/strong>\u5168\u4f53\u304c\u7834\u68c4\u3055\u308c\u308b\u3068\u3001\u90e8\u5206\u3082\u4e00\u7dd2\u306b\u7834\u68c4\u3055\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5bb6\u306f\u90e8\u5c4b\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5bb6\u304c\u53d6\u308a\u58ca\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u6587\u8108\u3067\u306f\u90e8\u5c4b\u306f\u5b58\u5728\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u8996\u899a\u7684\u8868\u8a18\uff1a<\/strong>\u5168\u4f53\u5074\u306e\u7dda\u306b\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>6. UML\u306b\u304a\u3051\u308b\u7d99\u627f\u306f\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u306e\u3067\u3059\u304b\uff1f \ud83c\udf33<\/h2>\n<p>\u7d99\u627f\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30af\u30e9\u30b9\u304c\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u632f\u308b\u821e\u3044\u3092\u63a1\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3068\u968e\u5c64\u69cb\u9020\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong>\u89aa\u30af\u30e9\u30b9\u3092\u6307\u3059\u7a7a\u6d1e\u306e\u4e09\u89d2\u5f62\u77e2\u5370\u3092\u5099\u3048\u305f\u5b9f\u7dda\u3067\u3059\u3002<\/li>\n<li><strong>\u7528\u8a9e\uff1a<\/strong>\u5b50\u30af\u30e9\u30b9\u306f\u3057\u3070\u3057\u3070\u30b5\u30d6\u30af\u30e9\u30b9\u307e\u305f\u306f\u6d3e\u751f\u30af\u30e9\u30b9\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u89aa\u30af\u30e9\u30b9\u306f\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u307e\u305f\u306f\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u4f8b\uff1a<\/strong> \u305f\u3068\u3048\u3070\u3001<code>Vehicle<\/code> \u30af\u30e9\u30b9\u306f\u3001<code>Car<\/code> \u304a\u3088\u3073<code>Truck<\/code> \u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>7. \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u30af\u30e9\u30b9\u56f3\u3067\u3069\u306e\u3088\u3046\u306b\u8868\u73fe\u3055\u308c\u307e\u3059\u304b\uff1f \u26a1<\/h2>\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u5b9f\u88c5\u3092\u4f34\u308f\u306a\u3044\u632f\u308b\u821e\u3044\u306e\u5951\u7d04\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u540d\u524d\uff1a<\/strong>\u901a\u5e38\u3001&lt;&lt;interface&gt;&gt; \u3067\u59cb\u307e\u308b\u3002<\/li>\n<li><strong>\u95a2\u4fc2\uff1a<\/strong>\u30af\u30e9\u30b9\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u300c\u5b9f\u88c5\u300d\u3059\u308b\u3002\u901a\u5e38\u3001\u70b9\u7dda\u3068\u7a7a\u6d1e\u306e\u4e09\u89d2\u77e2\u5370\u3067\u793a\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u7570\u306a\u308b\u30af\u30e9\u30b9\u304c\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u306e\u30bb\u30c3\u30c8\u3092\u5b9f\u88c5\u3057\u3064\u3064\u3001\u5185\u90e8\u30ed\u30b8\u30c3\u30af\u306f\u7570\u306a\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<h2>8. \u62bd\u8c61\u30af\u30e9\u30b9\u3068\u306f\u4f55\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u304b\uff1f \ud83d\udd75\ufe0f<\/h2>\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u76f4\u63a5\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u306a\u3044\u3002\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30c6\u30ad\u30b9\u30c8\uff1a<\/strong>\u30af\u30e9\u30b9\u540d\u306f\u901a\u5e38\u659c\u4f53\u3067\u66f8\u304b\u308c\u308b\u3002<\/li>\n<li><strong>\u5236\u7d04\uff1a<\/strong>\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\uff08\u672c\u4f53\u306e\u306a\u3044\u30e1\u30bd\u30c3\u30c9\uff09\u3092\u542b\u3080\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u5b9f\u88c5\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6cd5\uff1a<\/strong>\u95a2\u9023\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u7fa4\u306b\u5171\u901a\u306e\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306b\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2>9. \u591a\u91cd\u6027\u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\uff1f \ud83d\udd22<\/h2>\n<p>\u591a\u91cd\u6027\u306f\u3001\u30af\u30e9\u30b9\u306e\u4f55\u500b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u95a2\u4fc2\u306b\u53c2\u52a0\u3059\u308b\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u304a\u3051\u308b\u66d6\u6627\u3055\u3092\u9632\u3050\u3002<\/p>\n<ul>\n<li><strong>1:<\/strong>\u6b63\u78ba\u306b1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3002<\/li>\n<li><strong>0..1:<\/strong>0\u500b\u307e\u305f\u306f1\u500b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3002<\/li>\n<li><strong>1..*:<\/strong>1\u3064\u4ee5\u4e0a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3002<\/li>\n<li><strong>0..*:<\/strong>0\u500b\u4ee5\u4e0a\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff09\u3002<\/li>\n<\/ul>\n<h2>10. \u4f9d\u5b58\u95a2\u4fc2\u3068\u95a2\u9023\u306e\u9055\u3044\u306f\u4f55\u304b\uff1f \ud83d\udd17<\/h2>\n<p>\u5b66\u751f\u306f\u3057\u3070\u3057\u3070\u3053\u306e2\u3064\u306e\u69cb\u9020\u7684\u95a2\u4fc2\u3092\u6df7\u540c\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u95a2\u9023\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540c\u58eb\u304c\u4e92\u3044\u3092\u77e5\u3063\u3066\u3044\u308b\u3001\u3088\u308a\u5f37\u3044\u95a2\u4fc2\u3002\u3057\u3070\u3057\u3070\u53cc\u65b9\u5411\u3002<\/li>\n<li><strong>\u4f9d\u5b58\u95a2\u4fc2\uff1a<\/strong>\u3088\u308a\u5f31\u3044\u95a2\u4fc2\u30021\u3064\u306e\u30af\u30e9\u30b9\u304c\u5225\u306e\u30af\u30e9\u30b9\u3092\u4e00\u6642\u7684\u306b\u4f7f\u7528\u3059\u308b\uff08\u4f8b\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\uff09\u3002\u4ed6\u306e\u30af\u30e9\u30b9\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u4f9d\u5b58\u3059\u308b\u30af\u30e9\u30b9\u304c\u7834\u7dbb\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u8868\u8a18:<\/strong>\u4f9d\u5b58\u95a2\u4fc2\u306f\u3001\u4f7f\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u6307\u3059\u77e2\u5370\u306e\u5148\u304c\u958b\u3044\u305f\u7834\u7dda\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>11. \u30c7\u30fc\u30bf\u578b\u3092\u6301\u3064\u5c5e\u6027\u306f\u3069\u306e\u3088\u3046\u306b\u6271\u3044\u307e\u3059\u304b\uff1f \ud83e\uddee<\/h2>\n<p>\u5c5e\u6027\u306b\u306f\u30c7\u30fc\u30bf\u578b\u3092\u542b\u3081\u308b\u3079\u304d\u3067\u3042\u308a\u3001\u5b9f\u88c5\u6642\u306b\u578b\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u66f8\u5f0f:<\/strong>\u53ef\u8996\u6027 \u540d\u524d : \u30c7\u30fc\u30bf\u578b<\/li>\n<li><strong>\u4f8b:<\/strong> <code>- \u5e74\u9f62 : int<\/code>\u307e\u305f\u306f<code>+ \u540d\u524d : String<\/code><\/li>\n<li><strong>\u5229\u70b9:<\/strong>\u5909\u6570\u306e\u60f3\u5b9a\u3055\u308c\u308b\u5165\u529b\u304a\u3088\u3073\u51fa\u529b\u5f62\u5f0f\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>12. \u30af\u30e9\u30b9\u306f\u8907\u6570\u306e\u89aa\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304b\uff1f \ud83d\udd04<\/h2>\n<p>\u3053\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e\u7d99\u627f\u30e2\u30c7\u30eb\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5358\u4e00\u7d99\u627f:<\/strong> \u30af\u30e9\u30b9\u306f\u4e00\u3064\u306e\u89aa\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3059\u308b\u3002Java\u3084C#\u3067\u4e00\u822c\u7684\u3002<\/li>\n<li><strong>\u591a\u91cd\u7d99\u627f:<\/strong> \u30af\u30e9\u30b9\u306f\u8907\u6570\u306e\u89aa\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3059\u308b\u3002C++\u3067\u4e00\u822c\u7684\u3002\u30af\u30e9\u30b9\u56f3\u3067\u306f\u3053\u308c\u3092\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u4e0b\u4f4d\u306e\u30b3\u30fc\u30c9\u304c\u3053\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u30df\u30c3\u30af\u30b9\u30a4\u30f3:<\/strong> \u771f\u306e\u591a\u91cd\u7d99\u627f\u306a\u3057\u306b\u985e\u4f3c\u306e\u52b9\u679c\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u4e00\u90e8\u306e\u8a00\u8a9e\u3067\u7528\u3044\u3089\u308c\u308b\u56de\u907f\u7b56\u3002<\/li>\n<\/ul>\n<h2>13. \u95a2\u4fc2\u306b\u304a\u3051\u308b\u30ed\u30fc\u30eb\u540d\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f \ud83c\udff7\ufe0f<\/h2>\n<p>\u30ed\u30fc\u30eb\u540d\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7279\u5b9a\u306e\u95a2\u4fc2\u306b\u304a\u3044\u3066\u679c\u305f\u3059\u5f79\u5272\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u660e\u78ba\u3055:<\/strong> \u300c<code>\u30c9\u30e9\u30a4\u30d0\u30fc<\/code> \u300d\u3068\u300c<code>\u8eca<\/code>\u300d\u306e\u95a2\u4fc2\u306b\u304a\u3044\u3066\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30ed\u30fc\u30eb\u306f\u300c\u64cd\u4f5c\u8005\u300d\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u53ef\u8aad\u6027:<\/strong> \u3053\u308c\u3089\u306f\u56f3\u3092\u6a5f\u68b0\u3060\u3051\u3067\u306a\u304f\u4eba\u9593\u306b\u3068\u3063\u3066\u3082\u8aad\u307f\u3084\u3059\u304f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u914d\u7f6e:<\/strong> \u30af\u30e9\u30b9\u3092\u7d50\u3076\u7dda\u306e\u8fd1\u304f\u306b\u8a18\u8ff0\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<h2>14. \u9759\u7684\u30e1\u30f3\u30d0\u30fc\u306f\u3069\u306e\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u304b\uff1f \ud83c\udfdb\ufe0f<\/h2>\n<p>\u9759\u7684\u30e1\u30f3\u30d0\u30fc\u306f\u30af\u30e9\u30b9\u81ea\u4f53\u306b\u5c5e\u3057\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u5c5e\u3057\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u4e0b\u7dda: <\/strong> UML\u3067\u306f\u3001\u9759\u7684\u5c5e\u6027\u3068\u30e1\u30bd\u30c3\u30c9\u306f\u4e0b\u7dda\u3092\u5f15\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6cd5:<\/strong> \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3054\u3068\u306b\u5909\u5316\u3057\u306a\u3044\u5b9a\u6570\u3084\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u4f8b:<\/strong> \u3042\u308b <code>Math<\/code> \u30af\u30e9\u30b9\u306b\u306f\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u304c\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<code>PI<\/code>.<\/li>\n<\/ul>\n<h2>15. \u3044\u3064\u65b0\u3057\u3044\u30af\u30e9\u30b9\u56f3\u3092\u4f5c\u6210\u3059\u3079\u304d\u3067\u3059\u304b\uff1f \ud83d\udcc5<\/h2>\n<p>\u9069\u5207\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u306f\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8a2d\u8a08\u30d5\u30a7\u30fc\u30ba:<\/strong> \u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u3092\u59cb\u3081\u308b\u524d\u306b\u69cb\u9020\u3092\u8a08\u753b\u3059\u308b\u305f\u3081\u3002<\/li>\n<li><strong>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0:<\/strong> \u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u304c\u4e71\u96d1\u3067\u518d\u69cb\u6210\u304c\u5fc5\u8981\u306a\u3068\u304d\u3002<\/li>\n<li><strong>\u30aa\u30f3\u30dc\u30fc\u30c7\u30a3\u30f3\u30b0:<\/strong> \u65b0\u3057\u3044\u958b\u767a\u8005\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u53c2\u52a0\u3057\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4f5c\u6210:<\/strong> \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u306e\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u3002<\/li>\n<\/ul>\n<h2>16. \u30af\u30e9\u30b9\u56f3\u3068\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u9055\u3044\u306f\u4f55\u304b\uff1f \ud83d\udcc9<\/h2>\n<p>\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u8aa4\u308a\u3092\u9632\u3052\u308b\u3002<\/p>\n<table>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u30af\u30e9\u30b9\u56f3<\/th>\n<th>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/th>\n<\/tr>\n<tr>\n<td>\u6ce8\u76ee\u70b9<\/td>\n<td>\u69cb\u9020\u3068\u72b6\u614b<\/td>\n<td>\u632f\u308b\u821e\u3044\u3068\u76f8\u4e92\u4f5c\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u9593<\/td>\n<td>\u9759\u7684<\/td>\n<td>\u52d5\u7684\uff08\u6642\u9593\u3068\u3068\u3082\u306b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8cea\u554f<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306f\u3069\u306e\u3088\u3046\u306a\u69cb\u9020\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306f\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/td>\n<\/tr>\n<\/table>\n<h2>17. \u8907\u6570\u306e\u30af\u30e9\u30b9\u3092\u6301\u3064\u5927\u304d\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u3069\u3046\u7ba1\u7406\u3057\u307e\u3059\u304b\uff1f \ud83d\uddc2\ufe0f<\/h2>\n<p>\u5927\u304d\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u3054\u3061\u3083\u3054\u3061\u3083\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u6574\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30d1\u30c3\u30b1\u30fc\u30b8\u56f3\uff1a<\/strong>\u30af\u30e9\u30b9\u3092\u30d1\u30c3\u30b1\u30fc\u30b8\u3084\u540d\u524d\u7a7a\u9593\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3002<\/li>\n<li><strong>\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong>\u30b7\u30b9\u30c6\u30e0\u3092\u8ad6\u7406\u7684\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5206\u5272\u3059\u308b\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff1a<\/strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u3001\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u5883\u754c\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<li><strong>\u7d50\u5408\u306e\u7de9\u548c\uff1a<\/strong>\u9060\u304f\u96e2\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u9593\u306e\u76f4\u63a5\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3002<\/li>\n<\/ul>\n<h2>18. \u5b66\u751f\u304c\u3088\u304f\u72af\u3059\u9593\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f \ud83d\udeab<\/h2>\n<p>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u54c1\u8cea\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b\u3002<\/p>\n<ul>\n<li><strong>\u8a73\u7d30\u304c\u591a\u3059\u304e\u308b\uff1a<\/strong>\u3059\u3079\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3081\u308b\u3068\u56f3\u304c\u3054\u3061\u3083\u3054\u3061\u3083\u306b\u306a\u308b\u3002\u9ad8\u30ec\u30d9\u30eb\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u6ce8\u76ee\u3059\u308b\u3002<\/li>\n<li><strong>\u95a2\u4fc2\u6027\u3092\u7121\u8996\u3059\u308b\uff1a<\/strong>\u30af\u30e9\u30b9\u3092\u3064\u306a\u3052\u305a\u306b\u63cf\u304f\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u672c\u8cea\u3092\u6349\u3048\u3089\u308c\u306a\u3044\u3002<\/li>\n<li><strong>\u547d\u540d\u306e\u4e0d\u7d71\u4e00\uff1a<\/strong>\u6df7\u5728\u3057\u305f\u547d\u540d\u898f\u5247\u3092\u4f7f\u3046\u3068\u3001\u56f3\u304c\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u3002<\/li>\n<li><strong>\u5c5e\u6027\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6df7\u540c\u3059\u308b\uff1a<\/strong>\u30c7\u30fc\u30bf\u306f\u4e2d\u592e\u90e8\u5206\u306b\u3001\u30ed\u30b8\u30c3\u30af\u306f\u4e0b\u90e8\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>19. \u5c02\u9580\u7684\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u308f\u305a\u306b\u30af\u30e9\u30b9\u56f3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u304b\uff1f \ud83d\udcdd<\/h2>\n<p>\u30c4\u30fc\u30eb\u306f\u5f79\u306b\u7acb\u3064\u304c\u3001\u6982\u5ff5\u81ea\u4f53\u306f\u666e\u904d\u7684\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u925b\u7b46\u3068\u7d19\uff1a<\/strong>\u521d\u671f\u306e\u30d6\u30ec\u30a4\u30f3\u30b9\u30c8\u30fc\u30df\u30f3\u30b0\u306e\u5834\u9762\u306b\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30db\u30ef\u30a4\u30c8\u30dc\u30fc\u30c9\uff1a<\/strong>\u30c1\u30fc\u30e0\u3067\u306e\u5354\u50cd\u4f5c\u696d\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<li><strong>\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\uff1a<\/strong>\u4e00\u90e8\u306e\u958b\u767a\u8005\u306f\u3001\u56f3\u3092\u63cf\u304f\u524d\u306b\u30b3\u30fc\u30c9\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u69cb\u9020\u3092\u8aac\u660e\u3059\u308b\u3002<\/li>\n<li><strong>\u6c4e\u7528\u30c4\u30fc\u30eb\uff1a<\/strong>\u7dda\u3068\u5f62\u72b6\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u4efb\u610f\u306e\u56f3\u89e3\u30c4\u30fc\u30eb\u304c\u3042\u308c\u3070\u3001\u57fa\u672c\u7684\u306a\u30b9\u30b1\u30c3\u30c1\u306b\u306f\u5341\u5206\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>20. \u3053\u306e\u77e5\u8b58\u306f\u3042\u306a\u305f\u306e\u30ad\u30e3\u30ea\u30a2\u306b\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3061\u307e\u3059\u304b\uff1f \ud83d\udcbc<\/h2>\n<p>\u30b7\u30b9\u30c6\u30e0\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30b9\u30ad\u30eb\u306f\u696d\u754c\u3067\u975e\u5e38\u306b\u91cd\u5b9d\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\uff1a<\/strong>\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u305a\u306b\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306b\u8907\u96d1\u306a\u30a2\u30a4\u30c7\u30a2\u3092\u8aac\u660e\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u8a08\u753b\uff1a<\/strong>\u5b9f\u88c5\u524d\u306b\u8a2d\u8a08\u4e0a\u306e\u6b20\u9665\u3092\u767a\u898b\u3059\u308b\u3053\u3068\u3067\u3001\u30d0\u30b0\u3092\u6e1b\u3089\u3059\u3002<\/li>\n<li><strong>\u4fdd\u5b88\uff1a<\/strong>\u30ec\u30ac\u30b7\u30fc\u30b3\u30fc\u30c9\u3092\u7406\u89e3\u3057\u3001\u5909\u66f4\u3057\u3084\u3059\u304f\u3059\u308b\u3002<\/li>\n<li><strong>\u6a19\u6e96\uff1a<\/strong>UML\u306a\u3069\u306e\u696d\u754c\u6a19\u6e96\u7684\u306a\u5b9f\u8df5\u306b\u7cbe\u901a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u8981\u306a\u30b3\u30f3\u30bb\u30d7\u30c8\u306e\u8981\u7d04 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