{"id":6374,"date":"2026-02-04T15:10:49","date_gmt":"2026-02-04T07:10:49","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/ja\/unveiling-uml-navigating-the-differences-between-object-diagrams-and-class-diagrams\/"},"modified":"2026-02-04T15:10:49","modified_gmt":"2026-02-04T07:10:49","slug":"unveiling-uml-navigating-the-differences-between-object-diagrams-and-class-diagrams","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/ja\/unveiling-uml-navigating-the-differences-between-object-diagrams-and-class-diagrams\/","title":{"rendered":"UML\u306e\u89e3\u660e\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u30af\u30e9\u30b9\u56f3\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p><a 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alt=\"Class Diagram, UML Diagrams Example: Example Class Diagram vs Object Diagram  - Visual Paradigm Community Circle\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/Class-Diagram-vs-Object-Diagram.png\"\/><\/p>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u4e3b\u306a\u7279\u5fb4<\/h2>\n<ol>\n<li><strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u8868\u73fe\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5305\u542b\u3057\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3051\u308b\u73fe\u5b9f\u4e16\u754c\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u305d\u306e\u95a2\u4fc2\u3092\u63cf\u5199\u3059\u308b\u3002<\/li>\n<li><strong>\u7279\u5b9a\u6027\uff1a<\/strong>\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u7279\u5b9a\u306e\u6642\u9593\u306b\u3069\u306e\u3088\u3046\u306a\u72b6\u614b\u306b\u3042\u308b\u304b\u3092\u8a73\u7d30\u306b\u793a\u3059\u3002<\/li>\n<li><strong>\u52d5\u7684\u6027\uff1a<\/strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u7684\u52d5\u4f5c\u3092\u6349\u3048\u3001\u5b9f\u884c\u6642\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u5354\u50cd\u3057\u3001\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u304b\u3092\u793a\u3059\u3002<\/li>\n<\/ol>\n<p>\u30af\u30e9\u30b9\u56f3\uff1a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8a2d\u8a08\u56f3 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alt=\"What is Object Diagram?\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/03-class-diagram-to-object-diagram.png\"\/><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5074\u9762<\/th>\n<th>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/th>\n<th>\u30af\u30e9\u30b9\u56f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7126\u70b9<\/strong><\/td>\n<td>\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001\u7279\u5b9a\u306e\u5b9f\u884c\u6642\u30b7\u30ca\u30ea\u30aa<\/td>\n<td>\u30af\u30e9\u30b9\u3001\u305d\u306e\u69cb\u9020\u3001\u304a\u3088\u3073\u6642\u9593\u7d4c\u904e\u306b\u4f34\u3046\u95a2\u4fc2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8868\u73fe<\/strong><\/td>\n<td>\u7279\u5b9a\u306e\u6642\u70b9\u306b\u304a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8<\/td>\n<td>\u9759\u7684\u30af\u30e9\u30b9\u69cb\u9020\u3092\u793a\u3059\u5efa\u7bc9\u56f3\u9762<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8a73\u7d30\u5ea6<\/strong><\/td>\n<td>\u9ad8\u3044\u8a73\u7d30\u5ea6\u3001\u7279\u5b9a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u76f8\u4e92\u4f5c\u7528<\/td>\n<td>\u62bd\u8c61\u7684\u3001\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3001\u30af\u30e9\u30b9\u9593\u306e\u95a2\u4fc2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6642\u9593\u7684\u8996\u70b9<\/strong><\/td>\n<td>\u6642\u9593\u7684\u3001\u5b9f\u884c\u4e2d\u306e\u52d5\u7684\u52d5\u4f5c\u3092\u6349\u3048\u308b<\/td>\n<td>\u6642\u9593\u3092\u8d85\u3048\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u69cb\u9020\u306e\u9759\u7684\u8868\u73fe<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f7f\u7528\u4f8b<\/strong><\/td>\n<td>\u30c7\u30d0\u30c3\u30b0\u3084\u52d5\u7684\u76f8\u4e92\u4f5c\u7528\u306e\u7406\u89e3\u306b\u6700\u9069<\/td>\n<td>\u8a2d\u8a08\u3001\u5b9f\u88c5\u3001\u30b7\u30b9\u30c6\u30e0\u69cb\u9020\u306e\u57fa\u76e4<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b7\u30ca\u30ea\u30aa\u306e\u7279\u5b9a\u6027<\/strong><\/td>\n<td>\u30b7\u30ca\u30ea\u30aa\u56fa\u6709\u3001\u7279\u5b9a\u306e\u30b7\u30b9\u30c6\u30e0\u72b6\u614b\u3092\u793a\u3059<\/td>\n<td>\u4e00\u822c\u5316\u3055\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3084\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u9069\u7528\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u52d5\u7684\u6027\u8cea<\/strong><\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u52d5\u7684\u76f8\u4e92\u4f5c\u7528\u306b\u91cd\u70b9\u3092\u7f6e\u304f<\/td>\n<td>\u9759\u7684\u3001\u30b7\u30b9\u30c6\u30e0\u69cb\u9020\u306e\u7406\u89e3\u306e\u57fa\u76e4\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u62bd\u8c61\u5316<\/strong><\/td>\n<td>\u7279\u5b9a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u305d\u306e\u95a2\u4fc2\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b<\/td>\n<td>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u56fa\u6709\u306e\u8a73\u7d30\u3092\u62bd\u8c61\u5316\u3057\u3001\u30d1\u30bf\u30fc\u30f3\u306b\u91cd\u70b9\u3092\u7f6e\u304f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5b9f\u88c5\u30ac\u30a4\u30c9<\/strong><\/td>\n<td>\u5b9f\u88c5\u306b\u304a\u3051\u308b\u5236\u9650\u3055\u308c\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3001\u5206\u6790\u306b\u304a\u3051\u308b\u3088\u308a\u591a\u304f\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/td>\n<td>\u30af\u30e9\u30b9\u9593\u306e\u95a2\u4fc2\u306b\u57fa\u3065\u3044\u3066\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u958b\u767a\u8005\u3092\u5c0e\u304f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u56f3\u793a\u8981\u7d20<\/strong><\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u305d\u306e\u5c5e\u6027\u3001\u95a2\u4fc2\u6027\u3001\u76f8\u4e92\u4f5c\u7528<\/td>\n<td>\u30af\u30e9\u30b9\u3001\u5c5e\u6027\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u304a\u3088\u3073\u305d\u308c\u3089\u306e\u95a2\u9023<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u8868\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u30af\u30e9\u30b9\u56f3\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u7c21\u6f54\u306a\u6982\u8981\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u7126\u70b9\u3001\u8868\u73fe\u65b9\u6cd5\u3001\u8a73\u7d30\u5ea6\u3001\u6642\u9593\u7684\u8996\u70b9\u3001\u4f7f\u7528\u4e8b\u4f8b\u3001\u30b7\u30ca\u30ea\u30aa\u306e\u7279\u5b9a\u6027\u3001\u52d5\u7684\u6027\u8cea\u3001\u62bd\u8c61\u5316\u3001\u5b9f\u88c5\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3001\u56f3\u793a\u8981\u7d20\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>UML\u306e\u5e83\u5927\u306a\u9818\u57df\u306b\u304a\u3044\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u30af\u30e9\u30b9\u56f3\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u76ee\u7684\u3068\u8996\u70b9\u3092\u6301\u3064\u7279\u5fb4\u7684\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5b58\u5728\u3059\u308b\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u7279\u5b9a\u306e\u5b9f\u884c\u6642\u30b7\u30ca\u30ea\u30aa\u306b\u6ce8\u76ee\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u52d5\u7684\u76f8\u4e92\u4f5c\u7528\u3092\u6349\u3048\u308b\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