{"id":1462,"date":"2026-02-23T04:39:17","date_gmt":"2026-02-23T04:39:17","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/ja\/comprehensive-guide-to-uml-class-diagrams-2\/"},"modified":"2026-02-23T04:39:17","modified_gmt":"2026-02-23T04:39:17","slug":"comprehensive-guide-to-uml-class-diagrams-2","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/ja\/comprehensive-guide-to-uml-class-diagrams-2\/","title":{"rendered":"UML\u30af\u30e9\u30b9\u56f3\u306e\u5305\u62ec\u7684\u30ac\u30a4\u30c9"},"content":{"rendered":"<p dir=\"auto\">\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u306f\u3001\u6307\u5b9a\u3001\u53ef\u8996\u5316\u3001\u69cb\u7bc9\u3001\u6587\u66f8\u5316\u306e\u76ee\u7684\u3067\u8a2d\u8a08\u3055\u308c\u305f\u6a19\u6e96\u5316\u3055\u308c\u305f\u8996\u899a\u7684\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308a\u3001<a href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092<\/a>\u3002UML\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u304b\u3089\u632f\u308b\u821e\u3044\u306b\u81f3\u308b\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u5074\u9762\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u5305\u62ec\u7684\u306a\u56f3\u3068\u8a18\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002UML\u306f\u3001\u958b\u767a\u8005\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3001\u305d\u306e\u4ed6\u306e\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fc3\u9032\u3059\u308b\u305f\u3081\u306b\u3001\u5171\u901a\u306e\u8996\u899a\u7684\u8a00\u8a9e\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p 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href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/uml-tool\/\">UML\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u4e00\u3064<\/a>\u306f<a href=\"http:\/\/visual-pardadigm.com\">Visual Paradigm<\/a>\u3002\u3053\u308c\u306f\u3059\u3079\u3066\u306e<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/uml-tool\/\">UML\u56f3<\/a>\u30bf\u30a4\u30d7\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u69cb\u6587\u30c1\u30a7\u30c3\u30af\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u8981\u7d20\u3001\u30e2\u30c7\u30eb\u8981\u7d20\u9593\u306e\u30ea\u30f3\u30af\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u6a5f\u80fd\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Visual Paradigm\u306f\u4f7f\u3044\u3084\u3059\u3055\u3001\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e92\u63db\u6027\u3001\u305d\u3057\u3066\u8c4a\u5bcc\u306a\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u77e5\u3089\u308c\u3066\u304a\u308a\u3001\u500b\u4eba\u958b\u767a\u8005\u304a\u3088\u3073\u30c1\u30fc\u30e0\u306b\u3068\u3063\u3066\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n<p dir=\"auto\">UML\u3068\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u304a\u3088\u3073\u6587\u66f8\u5316\u306b\u8996\u899a\u7684\u3067\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5411\u4e0a\u3055\u305b\u3001\u8a2d\u8a08\u306e\u54c1\u8cea\u3092\u9ad8\u3081\u3001\u958b\u767a\u30d7\u30ed\u30bb\u30b9\u306e\u958b\u59cb\u304b\u3089\u5b9f\u88c5\u307e\u3067\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n<p data-nodeid=\"1064\"><img alt=\"What is Class Diagram?\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-class-diagram\/what-is-class-diagram.png\"\/><\/p>\n<h3 data-nodeid=\"1066\">UML\u30af\u30e9\u30b9\u56f3\u306e\u4e3b\u8981\u306a\u6982\u5ff5<\/h3>\n<p><img alt=\"Class Diagram, UML Diagrams Example: Classes and Packages Constraints - Visual Paradigm Community Circle\" decoding=\"async\" src=\"https:\/\/circle.visual-paradigm.com\/wp-content\/uploads\/2017\/08\/Class-Diagram-Classes-and-packages-Constraints.png\"\/><\/p>\n<ol data-nodeid=\"1067\">\n<li data-nodeid=\"1068\">\n<p data-nodeid=\"1069\"><strong data-nodeid=\"1277\">\u30af\u30e9\u30b9<\/strong><\/p>\n<ul data-nodeid=\"1070\">\n<li data-nodeid=\"1071\">\n<p data-nodeid=\"1072\">\u30af\u30e9\u30b9\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8a2d\u8a08\u56f3\u3092\u8868\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\uff08\u5c5e\u6027\uff09\u3068\u632f\u308b\u821e\u3044\uff08\u64cd\u4f5c\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\uff09\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1073\">\n<p data-nodeid=\"1074\">\u4f8b\u3067\u306f\uff1a<\/p>\n<ul data-nodeid=\"1075\">\n<li data-nodeid=\"1076\">\n<p data-nodeid=\"1077\"><code data-backticks=\"1\" data-nodeid=\"1280\">\u9867\u5ba2<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1282\">\u6ce8\u6587<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1284\">\u6ce8\u6587\u8a73\u7d30<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1286\">\u5546\u54c1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1288\">\u652f\u6255\u3044<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1290\">\u73fe\u91d1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1292\">\u632f\u8fbc<\/code>\u3001\u304a\u3088\u3073\u00a0<code data-backticks=\"1\" data-nodeid=\"1294\">\u30af\u30ec\u30b8\u30c3\u30c8<\/code>\u00a0\u306f\u3059\u3079\u3066\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1078\">\n<p data-nodeid=\"1079\">\u8996\u899a\u7684\u306b\u306f\u3001\u30af\u30e9\u30b9\u306f3\u3064\u306e\u9818\u57df\u306b\u5206\u3051\u3089\u308c\u305f\u9577\u65b9\u5f62\u3068\u3057\u3066\u63cf\u304b\u308c\u307e\u3059\uff1a<\/p>\n<ul data-nodeid=\"1080\">\n<li data-nodeid=\"1081\">\n<p data-nodeid=\"1082\"><strong data-nodeid=\"1303\">\u4e0a\u90e8<\/strong>\uff1a\u30af\u30e9\u30b9\u540d\uff08\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1301\">\u9867\u5ba2<\/code>).<\/p>\n<\/li>\n<li data-nodeid=\"1083\">\n<p data-nodeid=\"1084\"><strong data-nodeid=\"1312\">\u4e2d\u592e<\/strong>\uff1a\u5c5e\u6027\uff08\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1308\">\u540d\u524d\uff1a\u6587\u5b57\u5217<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1310\">\u4f4f\u6240\uff1a\u6587\u5b57\u5217<\/code>).<\/p>\n<\/li>\n<li data-nodeid=\"1085\">\n<p data-nodeid=\"1086\"><strong data-nodeid=\"1321\">\u4e0b\u90e8<\/strong>\uff1a\u64cd\u4f5c\uff08\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1317\">\u7a0e\u984d\u8a08\u7b97()<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1319\">\u5408\u8a08\u91cd\u91cf\u8a08\u7b97()<\/code>).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1087\">\n<p data-nodeid=\"1088\"><strong data-nodeid=\"1325\">\u5c5e\u6027<\/strong><\/p>\n<ul data-nodeid=\"1089\">\n<li data-nodeid=\"1090\">\n<p data-nodeid=\"1091\">\u5c5e\u6027\u306f\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30e1\u30f3\u30d0\u3067\u3042\u308a\u3001\u901a\u5e38\u306f\u53ef\u8996\u6027\u306e\u6307\u6a19\uff08<code data-backticks=\"1\" data-nodeid=\"1327\">+<\/code>\u00a0\u516c\u958b\u7528\u3001\u00a0<code data-backticks=\"1\" data-nodeid=\"1329\">-<\/code>\u00a0\u975e\u516c\u958b\u7528\uff09\u3068\u30c7\u30fc\u30bf\u578b\u3092\u4f34\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1092\">\n<p data-nodeid=\"1093\">\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1332\">\u9867\u5ba2<\/code>\u00a0\u30af\u30e9\u30b9\u3067\u306f\u3001\u00a0<code data-backticks=\"1\" data-nodeid=\"1334\">-\u540d\u524d\uff1a\u6587\u5b57\u5217<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1336\">-address: \u6587\u5b57\u5217<\/code>\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u5c5e\u6027\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1094\">\n<p data-nodeid=\"1095\"><strong data-nodeid=\"1341\">\u64cd\u4f5c<\/strong><\/p>\n<ul data-nodeid=\"1096\">\n<li data-nodeid=\"1097\">\n<p data-nodeid=\"1098\">\u64cd\u4f5c\u306f\u3001\u30af\u30e9\u30b9\u304c\u5b9f\u884c\u3067\u304d\u308b\u632f\u308b\u821e\u3044\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1099\">\n<p data-nodeid=\"1100\">\u4f8b\uff1a\u30af\u30e9\u30b9\u306e<code data-backticks=\"1\" data-nodeid=\"1344\">\u6ce8\u6587<\/code>\u30af\u30e9\u30b9\u3067\u306f\u3001\u64cd\u4f5c\u3068\u3057\u3066<code 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data-nodeid=\"1379\">\u6ce8\u6587<\/code>\u30af\u30e9\u30b9\u306f<code data-backticks=\"1\" data-nodeid=\"1381\">\u6ce8\u6587\u660e\u7d30<\/code>\uff081\u5bfe1..*\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1117\">\n<p data-nodeid=\"1118\"><strong data-nodeid=\"1389\">\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3<\/strong>: \u90e8\u5206\u304c\u5168\u4f53\u306a\u3057\u3067\u306f\u5b58\u5728\u3067\u304d\u306a\u3044\u3001\u3088\u308a\u5f37\u3044\u96c6\u7d04\u306e\u5f62\uff08\u5b9f\u969b\u306e\u4f8b\u3067\u306f\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u5b9f\u5fc3\u306e\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u3067\u8868\u3055\u308c\u308b\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1119\">\n<p data-nodeid=\"1120\"><strong data-nodeid=\"1398\">\u4e00\u822c\u5316<\/strong>: \u300c\u306f\u301c\u3067\u3042\u308b\u300d\u95a2\u4fc2\u3092\u793a\u3057\u3001\u7d99\u627f\u3092\u8868\u3059\uff08\u4e09\u89d2\u77e2\u5370\u3067\u8868\u3055\u308c\u308b\uff09\u3002<\/p>\n<ul data-nodeid=\"1121\">\n<li data-nodeid=\"1122\">\n<p data-nodeid=\"1123\">\u4f8b\uff1a<code data-backticks=\"1\" data-nodeid=\"1400\">\u652f\u6255\u3044<\/code>\u306f\u3001\u4ee5\u4e0b\u306e\u30af\u30e9\u30b9\u3092\u30b5\u30d6\u30af\u30e9\u30b9\u3068\u3057\u3066\u6301\u3064\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3042\u308b\u3002<code data-backticks=\"1\" data-nodeid=\"1402\">\u73fe\u91d1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1404\">\u632f\u8fbc<\/code>\u3001\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1406\">\u30af\u30ec\u30b8\u30c3\u30c8<\/code>\u304c\u305d\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3042\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1124\">\n<p data-nodeid=\"1125\"><strong data-nodeid=\"1418\">\u5f79\u5272<\/strong>: \u30af\u30e9\u30b9\u304c\u95a2\u4fc2\u306b\u304a\u3044\u3066\u679c\u305f\u3059\u5f79\u5272\u3092\u793a\u3059\uff08\u4f8b\uff1a<code data-backticks=\"1\" data-nodeid=\"1412\">\u5546\u54c1<\/code>\u306b\u304a\u3044\u3066<code data-backticks=\"1\" data-nodeid=\"1414\">\u6ce8\u6587\u660e\u7d30<\/code>\u304b\u3089<code data-backticks=\"1\" data-nodeid=\"1416\">\u5546\u54c1<\/code>\u3078\u306e\u95a2\u9023\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1126\">\n<p data-nodeid=\"1127\"><strong data-nodeid=\"1422\">\u591a\u91cd\u5ea6<\/strong><\/p>\n<ul data-nodeid=\"1128\">\n<li data-nodeid=\"1129\">\n<p data-nodeid=\"1130\">\u591a\u91cd\u5ea6\u306f\u3001\u3042\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3001\u5225\u306e\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1131\">\n<p data-nodeid=\"1132\">\u4f8b\uff1a<\/p>\n<ul data-nodeid=\"1133\">\n<li data-nodeid=\"1134\">\n<p data-nodeid=\"1135\"><code data-backticks=\"1\" data-nodeid=\"1425\">\u9867\u5ba2<\/code>\u304b\u3089<code data-backticks=\"1\" data-nodeid=\"1427\">\u6ce8\u6587<\/code>\u306f1\u5bfe0..*\uff081\u4eba\u306e\u9867\u5ba2\u306f\u6ce8\u6587\u30920\u4ef6\u4ee5\u4e0a\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1136\">\n<p data-nodeid=\"1137\"><code data-backticks=\"1\" data-nodeid=\"1431\">\u6ce8\u6587<\/code>\u304b\u3089<code data-backticks=\"1\" data-nodeid=\"1433\">\u6ce8\u6587\u660e\u7d30<\/code>\u00a0\u306f1\u5bfe1..*\uff081\u3064\u306e\u6ce8\u6587\u306f1\u3064\u4ee5\u4e0a\u306e\u6ce8\u6587\u660e\u7d30\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1138\">\n<p data-nodeid=\"1139\"><code data-backticks=\"1\" data-nodeid=\"1437\">\u6ce8\u6587\u660e\u7d30<\/code>\u00a0\u304b\u3089\u00a0<code data-backticks=\"1\" data-nodeid=\"1439\">\u5546\u54c1<\/code>\u00a0\u306f0..*\u5bfe1\uff081\u3064\u306e\u5546\u54c1\u306b\u95a2\u9023\u3059\u308b\u6ce8\u6587\u660e\u7d30\u306f0\u500b\u4ee5\u4e0a\u3067\u3042\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1140\">\n<p data-nodeid=\"1141\"><strong data-nodeid=\"1446\">\u62bd\u8c61\u30af\u30e9\u30b9<\/strong><\/p>\n<ul data-nodeid=\"1142\">\n<li data-nodeid=\"1143\">\n<p data-nodeid=\"1144\">\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u305a\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u57fa\u76e4\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u3002\u30a4\u30bf\u30ea\u30c3\u30af\u4f53\u307e\u305f\u306f\u00a0<code data-backticks=\"1\" data-nodeid=\"1448\">{\u62bd\u8c61}<\/code>\u00a0\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u793a\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1145\">\n<p data-nodeid=\"1146\">\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1451\">\u652f\u6255\u3044<\/code>\u00a0\u306f\u00a0<code data-backticks=\"1\" data-nodeid=\"1453\">\u91d1\u984d: float<\/code>\u3068\u3044\u3046\u5c5e\u6027\u3092\u6301\u3064\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3042\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-nodeid=\"1148\">UML\u30af\u30e9\u30b9\u56f3\u4f5c\u6210\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h3>\n<ol data-nodeid=\"1149\">\n<li data-nodeid=\"1150\">\n<p data-nodeid=\"1151\"><strong data-nodeid=\"1459\">\u30af\u30e9\u30b9\u306e\u7279\u5b9a<\/strong><\/p>\n<ul data-nodeid=\"1152\">\n<li data-nodeid=\"1153\">\n<p data-nodeid=\"1154\">\u307e\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u7279\u5b9a\u3059\u308b\uff08\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1461\">\u9867\u5ba2<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1463\">\u6ce8\u6587<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1465\">\u5546\u54c1<\/code>).<\/p>\n<\/li>\n<li data-nodeid=\"1155\">\n<p data-nodeid=\"1156\">\u554f\u984c\u9818\u57df\u306e\u540d\u8a5e\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u540d\u3092\u4ed8\u3051\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1157\">\n<p data-nodeid=\"1158\"><strong data-nodeid=\"1471\">\u5c5e\u6027\u3068\u64cd\u4f5c\u306e\u5b9a\u7fa9<\/strong><\/p>\n<ul data-nodeid=\"1159\">\n<li data-nodeid=\"1160\">\n<p data-nodeid=\"1161\">\u5404\u30af\u30e9\u30b9\u306e\u5c5e\u6027\uff08\u30d7\u30ed\u30d1\u30c6\u30a3\uff09\u3068\u632f\u308b\u821e\u3044\uff08\u64cd\u4f5c\uff09\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1162\">\n<p data-nodeid=\"1163\">\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u3068\u53ef\u8996\u6027\u4fee\u98fe\u5b50\u3092\u4f7f\u7528\u3059\u308b\uff08\u4f8b\uff1a\u00a0<code data-backticks=\"1\" data-nodeid=\"1474\">-<\/code>\u00a0\u3092\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u7528\u306b\u3001\u00a0<code data-backticks=\"1\" data-nodeid=\"1476\">+<\/code>\u516c\u958b\u7528\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1164\">\n<p data-nodeid=\"1165\"><strong data-nodeid=\"1481\">\u95a2\u4fc2\u3092\u78ba\u7acb\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1166\">\n<li data-nodeid=\"1167\">\n<p data-nodeid=\"1168\">\u30af\u30e9\u30b9\u3069\u3046\u3057\u304c\u3069\u306e\u3088\u3046\u306b\u95a2\u4fc2\u3057\u3066\u3044\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\uff08\u95a2\u9023\u3001\u96c6\u7d04\u3001\u4e00\u822c\u5316\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1169\">\n<p data-nodeid=\"1170\">\u591a\u91cd\u6027\u3092\u4f7f\u7528\u3057\u3066\u95a2\u4fc2\u306e\u57fa\u6570\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1171\">\n<p data-nodeid=\"1172\"><strong data-nodeid=\"1487\">\u62bd\u8c61\u5316\u3092\u4f7f\u7528\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1173\">\n<li data-nodeid=\"1174\">\n<p data-nodeid=\"1175\">\u5171\u901a\u306e\u5c5e\u6027\u3084\u632f\u308b\u821e\u3044\u3092\u7279\u5b9a\u3057\u3001\u305d\u308c\u3092\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u306b\u62bd\u8c61\u5316\u3067\u304d\u308b\uff08\u4f8b\uff1a<code data-backticks=\"1\" data-nodeid=\"1489\">\u652f\u6255\u3044<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1491\">\u73fe\u91d1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1493\">\u5c0f\u5207\u624b<\/code>\u3001\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1495\">\u30af\u30ec\u30b8\u30c3\u30c8<\/code>\u3092\u30b5\u30d6\u30af\u30e9\u30b9\u3068\u3057\u3066\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1176\">\n<p data-nodeid=\"1177\"><strong data-nodeid=\"1500\">\u30b7\u30f3\u30d7\u30eb\u3092\u4fdd\u3064<\/strong><\/p>\n<ul data-nodeid=\"1178\">\n<li data-nodeid=\"1179\">\n<p data-nodeid=\"1180\">\u56f3\u306b\u591a\u3059\u304e\u308b\u8a73\u7d30\u3092\u8f09\u305b\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002\u6700\u3082\u95a2\u9023\u3059\u308b\u30af\u30e9\u30b9\u3068\u95a2\u4fc2\u306b\u6ce8\u76ee\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1181\">\n<p data-nodeid=\"1182\">\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u307e\u305f\u306f\u30b5\u30d6\u56f3\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1183\">\n<p data-nodeid=\"1184\"><strong data-nodeid=\"1506\">\u4e00\u8cab\u6027<\/strong><\/p>\n<ul data-nodeid=\"1185\">\n<li data-nodeid=\"1186\">\n<p data-nodeid=\"1187\">\u4e00\u8cab\u3057\u305f\u547d\u540d\u898f\u5247\u306b\u5f93\u3046\uff08\u4f8b\uff1a\u5c5e\u6027\u306b\u306fcamelCase\u3001\u30af\u30e9\u30b9\u306b\u306fPascalCase\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1188\">\n<p data-nodeid=\"1189\">\u6a19\u6e96\u7684\u306aUML\u8868\u8a18\u3092\u4f7f\u7528\u3057\u3066\u660e\u78ba\u3055\u3092\u78ba\u4fdd\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-nodeid=\"1191\">\u30d2\u30f3\u30c8\u3068\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n<ol data-nodeid=\"1192\">\n<li data-nodeid=\"1193\">\n<p data-nodeid=\"1194\"><strong data-nodeid=\"1513\">\u8272\u3068\u6ce8\u91c8\u3092\u6d3b\u7528\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1195\">\n<li data-nodeid=\"1196\">\n<p data-nodeid=\"1197\">\u8272\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u306e\u7a2e\u985e\u3092\u533a\u5225\u3059\u308b\uff08\u4f8b\uff1a\u62bd\u8c61\u30af\u30e9\u30b9\u306b\u306f\u9752\u3001\u5177\u8c61\u30af\u30e9\u30b9\u306b\u306f\u7dd1\uff09\u307e\u305f\u306f\u91cd\u8981\u306a\u95a2\u4fc2\u3092\u5f37\u8abf\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1198\">\n<p data-nodeid=\"1199\">\u6ce8\u8a18\u3084\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\uff08\u4f8b\uff1a<code data-backticks=\"1\" data-nodeid=\"1516\">{ordered}<\/code>\uff09\u3092\u4f7f\u7528\u3057\u3066\u8907\u96d1\u306a\u95a2\u4fc2\u3092\u660e\u78ba\u306b\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1200\">\n<p data-nodeid=\"1201\"><strong data-nodeid=\"1521\">\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u691c\u8a3c\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1202\">\n<li data-nodeid=\"1203\">\n<p data-nodeid=\"1204\">\u958b\u767a\u8005\u3001\u30c7\u30b6\u30a4\u30ca\u30fc\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306a\u3069\u3068\u56f3\u3092\u5171\u6709\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u6b63\u78ba\u306b\u53cd\u6620\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1205\">\n<p data-nodeid=\"1206\"><strong data-nodeid=\"1526\">\u53cd\u5fa9\u3057\u3066\u6539\u5584\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1207\">\n<li data-nodeid=\"1208\">\n<p data-nodeid=\"1209\">\u9ad8\u30ec\u30d9\u30eb\u306e\u56f3\u304b\u3089\u59cb\u3081\u3001\u8a73\u7d30\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u306b\u3064\u308c\u3066\u305d\u308c\u3092\u7cbe\u7dfb\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001<code data-backticks=\"1\" data-nodeid=\"1528\">\u6ce8\u6587<\/code>\u30af\u30e9\u30b9\u306f\u521d\u671f\u6bb5\u968e\u3067\u306f\u308f\u305a\u304b\u306b<code data-backticks=\"1\" data-nodeid=\"1530\">\u65e5\u4ed8<\/code>\u3092\u793a\u3057\u3001\u5f8c\u306b<code data-backticks=\"1\" data-nodeid=\"1532\">calcTotalWeight()<\/code>.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1210\">\n<p data-nodeid=\"1211\"><strong data-nodeid=\"1537\">\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/strong><\/p>\n<ul data-nodeid=\"1212\">\n<li data-nodeid=\"1213\">\n<p data-nodeid=\"1214\">Lucidchart\u3001Visual Paradigm\u3001Enterprise Architect\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306f\u3001UML\u56f3\u306e\u4f5c\u6210\u304a\u3088\u3073\u7dad\u6301\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1215\">\n<p data-nodeid=\"1216\"><strong data-nodeid=\"1542\">\u591a\u91cd\u6027\u306b\u6ce8\u76ee\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1217\">\n<li data-nodeid=\"1218\">\n<p data-nodeid=\"1219\">\u8aa4\u308a\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u591a\u91cd\u6027\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001<code data-backticks=\"1\" data-nodeid=\"1546\">\u6ce8\u6587\u660e\u7d30<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1548\">\u5546\u54c1<\/code>\u306e\u9593\u306e0..*\u95a2\u4fc2\u306f\u30011\u3064\u306e\u5546\u54c1\u304c\u8907\u6570\u306e\u6ce8\u6587\u660e\u7d30\u306b\u542b\u307e\u308c\u3046\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u73fe\u5b9f\u306ee\u30b3\u30de\u30fc\u30b9\u74b0\u5883\u3067\u306f\u59a5\u5f53\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1220\">\n<p data-nodeid=\"1221\"><strong data-nodeid=\"1553\">\u64cd\u4f5c\u3092\u5f37\u8abf\u3059\u308b<\/strong><\/p>\n<ul data-nodeid=\"1222\">\n<li data-nodeid=\"1223\">\n<p data-nodeid=\"1224\">\u8a08\u7b97\u3084\u91cd\u8981\u306a\u8ad6\u7406\u3092\u5b9f\u884c\u3059\u308b\u64cd\u4f5c\uff08\u4f8b\uff1a<code data-backticks=\"1\" data-nodeid=\"1555\">calcTax()<\/code>\u306e<code data-backticks=\"1\" data-nodeid=\"1557\">\u6ce8\u6587\u660e\u7d30<\/code>\uff09\u3092\u5f37\u8abf\u3059\u308b\u3053\u3068\u3067\u3001\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306b\u6ce8\u76ee\u3092\u5411\u3051\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-nodeid=\"1226\">\u30af\u30e9\u30b9\u56f3\u306e\u4f8b\u306e\u5206\u6790<\/h3>\n<p data-nodeid=\"1227\">\u63d0\u4f9b\u3055\u308c\u305fUML\u30af\u30e9\u30b9\u56f3\u306f\u3001e\u30b3\u30de\u30fc\u30b9\u6ce8\u6587\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff1a<\/p>\n<p id=\"tALbkTu\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-914\" decoding=\"async\" fetchpriority=\"high\" height=\"467\" sizes=\"(max-width: 836px) 100vw, 836px\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2025\/03\/img_67d270f223060.png\" srcset=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2025\/03\/img_67d270f223060.png 836w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2025\/03\/img_67d270f223060-300x168.png 300w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2025\/03\/img_67d270f223060-768x429.png 768w\" width=\"836\"\/><\/p>\n<ul data-nodeid=\"1228\">\n<li data-nodeid=\"1229\">\n<p data-nodeid=\"1230\"><strong data-nodeid=\"1565\">\u30af\u30e9\u30b9\u3068\u69cb\u9020<\/strong>:<\/p>\n<ul data-nodeid=\"1231\">\n<li data-nodeid=\"1232\">\n<p data-nodeid=\"1233\"><code data-backticks=\"1\" data-nodeid=\"1566\">\u9867\u5ba2<\/code>\u306b\u306f\u5c5e\u6027\u3068\u3057\u3066<code data-backticks=\"1\" data-nodeid=\"1568\">\u540d\u524d<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1570\">\u4f4f\u6240<\/code>\u3000\u304a\u3088\u3073\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b<code data-backticks=\"1\" data-nodeid=\"1572\">\u6ce8\u6587<\/code>.<\/p>\n<\/li>\n<li data-nodeid=\"1234\">\n<p data-nodeid=\"1235\"><code data-backticks=\"1\" data-nodeid=\"1574\">\u6ce8\u6587<\/code>\u3000\u96c6\u7d04\u3059\u308b<code data-backticks=\"1\" data-nodeid=\"1576\">\u6ce8\u6587\u8a73\u7d30<\/code>\u3001\u6b21\u306e\u5c5e\u6027\u3092\u6301\u3064<code data-backticks=\"1\" data-nodeid=\"1578\">\u65e5\u4ed8<\/code>\u3000\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1580\">\u72b6\u614b<\/code>\u3001\u6b21\u306e\u64cd\u4f5c\u3092\u6301\u3064<code data-backticks=\"1\" data-nodeid=\"1582\">calcSubTotal()<\/code>\u3000\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1584\">calcTotalWeight()<\/code>.<\/p>\n<\/li>\n<li data-nodeid=\"1236\">\n<p data-nodeid=\"1237\"><code data-backticks=\"1\" data-nodeid=\"1586\">\u6ce8\u6587\u8a73\u7d30<\/code>\u3000\u30ea\u30f3\u30af\u3059\u308b<code data-backticks=\"1\" data-nodeid=\"1588\">\u6ce8\u6587<\/code>\u3000\u306b<code data-backticks=\"1\" data-nodeid=\"1590\">\u5546\u54c1<\/code>\u3001\u6b21\u306e\u5c5e\u6027\u3092\u6301\u3064<code data-backticks=\"1\" data-nodeid=\"1592\">\u6570\u91cf<\/code>\u3000\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1594\">\u7a0e\u72b6\u614b<\/code>\u3001\u6b21\u306e\u64cd\u4f5c\u3092\u6301\u3064<code data-backticks=\"1\" data-nodeid=\"1596\">calcSubTotal()<\/code>\u3000\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1598\">calcTax()<\/code>.<\/p>\n<\/li>\n<li data-nodeid=\"1238\">\n<p data-nodeid=\"1239\"><code data-backticks=\"1\" data-nodeid=\"1600\">\u5546\u54c1<\/code>\u306b\u306f\u6b21\u306e\u5c5e\u6027\u304c\u3042\u308a\u307e\u3059<code data-backticks=\"1\" data-nodeid=\"1602\">\u914d\u9001\u91cd\u91cf<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1604\">\u8aac\u660e<\/code>\u3001\u6b21\u306e\u64cd\u4f5c\u3092\u5099\u3048\u3066\u3044\u307e\u3059<code data-backticks=\"1\" data-nodeid=\"1606\">getPriceForQuantity()<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1608\">getTax()<\/code>.<\/p>\n<\/li>\n<li data-nodeid=\"1240\">\n<p data-nodeid=\"1241\"><code data-backticks=\"1\" data-nodeid=\"1610\">\u652f\u6255\u3044<\/code>\u306f\u6b21\u306e\u5c5e\u6027\u3092\u6301\u3064\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3059<code data-backticks=\"1\" data-nodeid=\"1612\">\u91d1\u984d<\/code>\u3001\u6b21\u306e\u3088\u3046\u306b\u4e00\u822c\u5316\u3055\u308c\u307e\u3059<code data-backticks=\"1\" data-nodeid=\"1614\">\u73fe\u91d1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1616\">\u632f\u8fbc<\/code>\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1618\">\u30af\u30ec\u30b8\u30c3\u30c8<\/code>\u3001\u305d\u308c\u305e\u308c\u56fa\u6709\u306e\u5c5e\u6027\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1242\">\n<p data-nodeid=\"1243\"><strong data-nodeid=\"1624\">\u95a2\u4fc2<\/strong>:<\/p>\n<ul data-nodeid=\"1244\">\n<li data-nodeid=\"1245\">\n<p data-nodeid=\"1246\">\u306e1\u5bfe0..*\u306e\u95a2\u9023\u306f<code data-backticks=\"1\" data-nodeid=\"1628\">\u9867\u5ba2<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1630\">\u6ce8\u6587<\/code>1\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1247\">\n<p data-nodeid=\"1248\">\u306e\u96c6\u7d04\u95a2\u4fc2\u306f<code data-backticks=\"1\" data-nodeid=\"1633\">\u6ce8\u6587<\/code>\u3068<code data-backticks=\"1\" data-nodeid=\"1635\">\u6ce8\u6587\u660e\u7d30<\/code>\u00a0(1 \u304b\u3089 1..*) \u306f\u6ce8\u6587\u304c1\u3064\u4ee5\u4e0a\u306e\u8a73\u7d30\u3092\u542b\u3080\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1249\">\n<p data-nodeid=\"1250\">\u00a0\u3068\u00a0\u306e\u9593\u306e 0..* \u304b\u3089 1 \u306e\u95a2\u4fc2<code data-backticks=\"1\" data-nodeid=\"1642\">\u6ce8\u6587\u660e\u7d30<\/code>\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1644\">\u5546\u54c1<\/code>\u8907\u6570\u306e\u6ce8\u6587\u660e\u7d30\u304c\u540c\u3058\u5546\u54c1\u3092\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1251\">\n<p data-nodeid=\"1252\">\u00a0\u304b\u3089\u306e\u4e00\u822c\u5316<code data-backticks=\"1\" data-nodeid=\"1647\">\u652f\u6255\u3044<\/code>\u3078\u306e<code data-backticks=\"1\" data-nodeid=\"1649\">\u73fe\u91d1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"1651\">\u632f\u8fbc<\/code>\u3001\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1653\">\u30af\u30ec\u30b8\u30c3\u30c8<\/code>\u652f\u6255\u3044\u51e6\u7406\u306b\u304a\u3051\u308b\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1253\">\n<p data-nodeid=\"1254\"><strong data-nodeid=\"1659\">\u64cd\u4f5c\u306e\u6d1e\u5bdf<\/strong>:<\/p>\n<ul data-nodeid=\"1255\">\n<li data-nodeid=\"1256\">\n<p data-nodeid=\"1257\">\u00a0<code data-backticks=\"1\" data-nodeid=\"1661\">calcTax()<\/code>\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1663\">calcSubTotal()<\/code>\u00a0\u64cd\u4f5c\u306f\u3001\u7a0e\u984d\u3068\u5c0f\u8a08\u304c\u52d5\u7684\u306b\u8a08\u7b97\u3055\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u793a\u5506\u3057\u3066\u304a\u308a\u3001\u304a\u305d\u3089\u304f\u00a0<code data-backticks=\"1\" data-nodeid=\"1665\">\u6570\u91cf<\/code>\u304a\u3088\u3073<code data-backticks=\"1\" data-nodeid=\"1667\">\u7a0e\u72b6\u614b<\/code>.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-nodeid=\"1258\">\n<p data-nodeid=\"1259\"><strong data-nodeid=\"1673\">\u6f5c\u5728\u7684\u306a\u6539\u5584\u70b9<\/strong>:<\/p>\n<ul data-nodeid=\"1260\">\n<li data-nodeid=\"1261\">\n<p data-nodeid=\"1262\">\u00a0\u3092\u8ffd\u52a0\u3059\u308b<code data-backticks=\"1\" data-nodeid=\"1675\">\u5408\u8a08\u91d1\u984d: float<\/code>\u3000\u5c5e\u6027\u3092\u3000<code data-backticks=\"1\" data-nodeid=\"1677\">\u6ce8\u6587<\/code>\u3000\u6700\u7d42\u8a08\u7b97\u5024\u3092\u683c\u7d0d\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1263\">\n<p data-nodeid=\"1264\">\u3000\u53cc\u65b9\u5411\u306e\u95a2\u9023\u3092\u542b\u3081\u308b\uff1a\u3000<code data-backticks=\"1\" data-nodeid=\"1680\">\u6ce8\u6587<\/code>\u3000\u3068\u3000<code data-backticks=\"1\" data-nodeid=\"1682\">\u652f\u6255\u3044<\/code>\u3000\u652f\u6255\u3044\u306e\u95a2\u9023\u3092\u793a\u3059\u3002<\/p>\n<\/li>\n<li data-nodeid=\"1265\">\n<p data-nodeid=\"1266\">\u64cd\u4f5c\u306e\u53ef\u8996\u6027\u3092\u6307\u5b9a\u3059\u308b\uff08\u4f8b\uff1a\u3000<code data-backticks=\"1\" data-nodeid=\"1685\">+calcTax()<\/code>\u3000\u307e\u305f\u306f\u3000<code data-backticks=\"1\" data-nodeid=\"1687\">-calcTax()<\/code>).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u63a8\u5968\u3055\u308c\u308bUML\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb<\/h3>\n<p dir=\"auto\">Visual Paradigm\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7406\u7531\u304b\u3089UML\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u7406\u60f3\u7684\u306a\u30c4\u30fc\u30eb\u3067\u3059\uff1a<\/p>\n<ol>\n<li>\n<p dir=\"auto\"><strong>\u5305\u62ec\u7684\u306aUML\u30b5\u30dd\u30fc\u30c8<\/strong>\uff1aVisual Paradigm\u306f\u3001\u30af\u30e9\u30b9\u56f3\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306a\u3069\u3092\u542b\u3080\u3059\u3079\u3066\u306eUML\u56f3\u30bf\u30a4\u30d7\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u305f\u6c4e\u7528\u7684\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\" rel=\"noopener\" target=\"_blank\">1<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\" rel=\"noopener\" target=\"_blank\">2<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\" rel=\"noopener\" target=\"_blank\">3<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u4f7f\u3044\u3084\u3059\u3055<\/strong>\uff1a\u3053\u306e\u30c4\u30fc\u30eb\u306f\u76f4\u611f\u7684\u3067\u4f7f\u3044\u3084\u3059\u304f\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u7d20\u6674\u3089\u3057\u3044\u56f3\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9\u30ab\u30bf\u30ed\u30b0\u6a5f\u80fd\u306b\u3088\u308a\u3001\u4e8b\u524d\u306b\u4f5c\u6210\u3055\u308c\u305f\u8981\u7d20\u3092\u7c21\u5358\u306b\u56f3\u306b\u7d44\u307f\u8fbc\u3081\u308b\u305f\u3081\u3001\u52b9\u7387\u3092\u6700\u5927\u5316\u3067\u304d\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">4<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e92\u63db\u6027<\/strong>\uff1aVisual Paradigm\u306f\u3001Windows\u3001Mac OS X\u3001Linux\u3092\u542b\u3080\u3001\u4efb\u610f\u306eJava\u5bfe\u5fdc\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u304b\u304b\u308f\u3089\u305a\u30e2\u30c7\u30eb\u4f5c\u6210\u4f5c\u696d\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">4<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u9ad8\u5ea6\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u6a5f\u80fd<\/strong>\uff1a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u69cb\u6587\u30c1\u30a7\u30c3\u30af\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u8981\u7d20\u3001UML\u30e2\u30c7\u30eb\u8981\u7d20\u3068\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3068\u306e\u30ea\u30f3\u30af\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u6a5f\u80fd\u306a\u3069\u3001\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30e2\u30c7\u30eb\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">4<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u500b\u4eba\u5229\u7528\u7121\u6599<\/strong>\uff1aVisual Paradigm Community Edition\u306f\u500b\u4eba\u5229\u7528\u304a\u3088\u3073\u975e\u55b6\u5229\u5229\u7528\u306b\u5bfe\u3057\u3066\u7121\u6599\u3067\u3042\u308a\u3001\u5b66\u751f\u3084\u500b\u4eba\u958b\u767a\u8005\u3092\u542b\u3080\u5e45\u5e83\u3044\u30e6\u30fc\u30b6\u30fc\u306b\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">4<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u53d7\u8cde\u6b74\u3042\u308a\u3067\u4fe1\u983c\u6027\u629c\u7fa4<\/strong>\uff1aVisual Paradigm\u306f\u54c1\u8cea\u3068\u4f7f\u3044\u3084\u3059\u3055\u3067\u8a55\u4fa1\u3055\u308c\u3001\u53d7\u8cde\u6b74\u306e\u3042\u308bUML\u30e2\u30c7\u30e9\u30fc\u3067\u3059\u3002\u4e2d\u5c0f\u4f01\u696d\u304b\u3089\u30d5\u30a9\u30fc\u30c1\u30e5\u30f3500\u4f01\u696d\u3001\u5927\u5b66\u3001\u653f\u5e9c\u6a5f\u95a2\u306b\u81f3\u308b\u307e\u3067\u300123\u4e07\u4ee5\u4e0a\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u4fe1\u983c\u3055\u308c\u3066\u3044\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\" rel=\"noopener\" target=\"_blank\">1<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\" rel=\"noopener\" target=\"_blank\">6<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u7d71\u5408\u3068\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3<\/strong>\uff1a\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30c1\u30fc\u30e0\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u3058\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u53d6\u308a\u7d44\u3081\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3055\u307e\u3056\u307e\u306a\u958b\u767a\u74b0\u5883\u3084\u30c4\u30fc\u30eb\u3068\u7d71\u5408\u53ef\u80fd\u3067\u3001\u751f\u7523\u6027\u3068\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/\" rel=\"noopener\" target=\"_blank\">7<\/a><a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/\" rel=\"noopener\" target=\"_blank\">8<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>\u8c4a\u5bcc\u306a\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u30ea\u30bd\u30fc\u30b9<\/strong>\uff1aVisual Paradigm\u306f\u3001UML\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30b9\u30bf\u30fc\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u8c4a\u5bcc\u306a\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u30ea\u30bd\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u306f\u5e45\u5e83\u3044\u30c8\u30d4\u30c3\u30af\u3092\u30ab\u30d0\u30fc\u3057\u3001\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u8aac\u660e\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059<a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/\" rel=\"noopener\" target=\"_blank\">8<\/a>.<\/p>\n<\/li>\n<\/ol>\n<h3 data-nodeid=\"1268\">\u7d50\u8ad6<\/h3>\n<p data-nodeid=\"1269\">UML\u30af\u30e9\u30b9\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u9759\u7684\u69cb\u9020\u3092\u30e2\u30c7\u30ea\u30f3\u30b0\u3059\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30af\u30e9\u30b9\u3001\u5c5e\u6027\u3001\u64cd\u4f5c\u3001\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u591a\u91cd\u5ea6\u3084\u62bd\u8c61\u5316\u3068\u3044\u3063\u305f\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u660e\u78ba\u3067\u52b9\u679c\u7684\u306a\u56f3\u3092\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6dfb\u4ed8\u306e\u4f8b\u306f\u3001e\u30b3\u30de\u30fc\u30b9\u306e\u6587\u8108\u306b\u304a\u3051\u308b\u5b9f\u7528\u7684\u306a\u5fdc\u7528\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u96c6\u7d04\u3001\u4e00\u822c\u5316\u3001\u64cd\u4f5c\u306e\u591a\u3044\u30af\u30e9\u30b9\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u8a2d\u8a08\u3092\u7e70\u308a\u8fd4\u3057\u6539\u5584\u3057\u3001\u6b63\u78ba\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p data-nodeid=\"1269\">Visual Paradigm\u306f\u3001\u5e45\u5e83\u3044\u56f3\u306e\u30b5\u30dd\u30fc\u30c8\u3068\u3001\u30e2\u30c7\u30eb\u306e\u54c1\u8cea\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u5099\u3048\u305f\u5f37\u529b\u3067\u4f7f\u3044\u3084\u3059\u304f\u3001\u5305\u62ec\u7684\u306aUML\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u3067\u3059\u3002\u5229\u7528\u3057\u3084\u3059\u3055\u3001\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e92\u63db\u6027\u3001\u305d\u3057\u3066\u8c4a\u5bcc\u306a\u30ea\u30bd\u30fc\u30b9\u306b\u3088\u308a\u3001\u500b\u4eba\u958b\u767a\u8005\u304b\u3089\u30c1\u30fc\u30e0\u307e\u3067\u3001\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"\" data-nodeid=\"1270\">\u8a73\u7d30\u304c\u5fc5\u8981\u306a\u5834\u5408\u3084\u3001\u8ffd\u52a0\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u691c\u7d22\u3057\u3066\u307b\u3057\u3044\u5834\u5408\u306f\u3001\u3044\u3064\u3067\u3082\u304a\u6c17\u8efd\u306b\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u306f\u3001\u6307\u5b9a\u3001\u53ef\u8996\u5316\u3001\u69cb\u7bc9\u3001\u6587\u66f8\u5316\u306e&hellip;<\/p>\n","protected":false},"author":2,"featured_media":1463,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/08\/img_66c82d89019b6.png","fifu_image_alt":"","footnotes":""},"categories":[50],"tags":[],"class_list":["post-1462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UML\u30af\u30e9\u30b9\u56f3\u306e\u5305\u62ec\u7684\u30ac\u30a4\u30c9 - Ez Knowledge Japanese - Latest in AI &amp; Software Innovation<\/title>\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.ez-knowledge.com\/ja\/comprehensive-guide-to-uml-class-diagrams-2\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UML\u30af\u30e9\u30b9\u56f3\u306e\u5305\u62ec\u7684\u30ac\u30a4\u30c9 - Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\" \/>\n<meta property=\"og:description\" content=\"\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u306f\u3001\u6307\u5b9a\u3001\u53ef\u8996\u5316\u3001\u69cb\u7bc9\u3001\u6587\u66f8\u5316\u306e&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ez-knowledge.com\/ja\/comprehensive-guide-to-uml-class-diagrams-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-23T04:39:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/08\/img_66c82d89019b6.png\" \/><meta property=\"og:image\" content=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/08\/img_66c82d89019b6.png\" \/>\n\t<meta property=\"og:image:width\" content=\"836\" \/>\n\t<meta property=\"og:image:height\" content=\"467\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"curtis\" \/>\n<meta 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