{"id":9381,"date":"2025-12-03T15:01:27","date_gmt":"2025-12-03T07:01:27","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/"},"modified":"2026-04-14T10:57:28","modified_gmt":"2026-04-14T10:57:28","slug":"uml-activity-diagram-modeling-sequential-and-concurrent-system-flow","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/","title":{"rendered":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30eb\u5316"},"content":{"rendered":"<p>The <a href=\"https:\/\/chat.visual-paradigm.com\/diagram\/uml-activity-diagram\/\">UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3<\/a>\u3053\u308c\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3001\u307e\u305f\u306f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3067\u3042\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u7684\u5074\u9762\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u30011\u3064\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304b\u3089\u6b21\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3078\u306e\u5236\u5fa1\u306e\u6d41\u308c\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002<\/p>\n<p>\u3053\u306e\u56f3\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u306e\u30e2\u30c7\u30eb\u5316\u3001\u7570\u306a\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u5b9a\u7fa9\u3001\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u5185\u90e8\u8ad6\u7406\u306e\u6587\u66f8\u5316\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u4fa1\u5024\u304c\u3042\u308b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/0906ba8d-8066-4ef9-9059-d353c21f6c2c\/activity-diagram-design\/uml-activity-diagram-example-article-submission.png\"\/><\/p>\n<h2>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30d5\u30ed\u30fc\u306e\u4e3b\u8981\u306a\u8981\u7d20<\/h2>\n<p>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u3001\u30ce\u30fc\u30c9\uff08\u30b9\u30c6\u30c3\u30d7\u3092\u8868\u3059\uff09\u3068\u30a8\u30c3\u30b8\uff08\u5236\u5fa1\u306e\u6d41\u308c\u3092\u8868\u3059\uff09\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3055\u308c\u308b\u3002<\/p>\n<h3>A. \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304a\u3088\u3073\u30a2\u30af\u30b7\u30e7\u30f3\u30ce\u30fc\u30c9<\/h3>\n<p>\u3053\u308c\u3089\u306f\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u5b9f\u884c\u3055\u308c\u308b\u5358\u4e00\u306e\u30b9\u30c6\u30c3\u30d7\u307e\u305f\u306f\u30bf\u30b9\u30af\u3092\u8868\u3059\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone size-full wp-image-14474\" decoding=\"async\" height=\"289\" loading=\"lazy\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Activity-and-Action-Nodes.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Activity-and-Action-Nodes.png 432w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Activity-and-Action-Nodes-300x201.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Activity-and-Action-Nodes-120x80.png 120w\" width=\"432\"\/><\/p>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong> \u30e9\u30a6\u30f3\u30c9\u3055\u308c\u305f\u9577\u65b9\u5f62\u3002<\/li>\n<li><strong>\u30a2\u30af\u30b7\u30e7\u30f3\u30ce\u30fc\u30c9\uff1a<\/strong> \u539f\u5b50\u7684\u3067\u4e2d\u65ad\u4e0d\u80fd\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u8868\u3059\uff08\u4f8b\uff1a<em>\u5728\u5eab\u3092\u78ba\u8a8d\u3059\u308b<\/em>).<\/li>\n<li><strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30ce\u30fc\u30c9\uff1a<\/strong> \u3088\u308a\u8a73\u7d30\u306a\u30b5\u30d6\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u5206\u89e3\u3067\u304d\u308b\u9ad8\u30ec\u30d9\u30eb\u306e\u76ee\u6a19\u3092\u8868\u3059\uff08\u4f8b\uff1a<em>\u6ce8\u6587\u3092\u51e6\u7406\u3059\u308b<\/em>).<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong> \u5b9f\u884c\u304c\u5fc5\u8981\u306a\u4f5c\u696d\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u3002<\/li>\n<\/ul>\n<h3>B. \u5236\u5fa1\u30d5\u30ed\u30fc\uff08\u30a8\u30c3\u30b8\uff09<\/h3>\n<p>\u5236\u5fa1\u30d5\u30ed\u30fc\u306f\u30012\u3064\u306e\u30ce\u30fc\u30c9\u3092\u63a5\u7d9a\u3059\u308b\u77e2\u5370\u3067\u3042\u308a\u30011\u3064\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304b\u3089\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3078\u306e\u9077\u79fb\u3092\u793a\u3059\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone size-full wp-image-14475\" decoding=\"async\" height=\"233\" loading=\"lazy\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Control-Flow-Edgesv2.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Control-Flow-Edgesv2.png 432w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/activity-diagram-Control-Flow-Edgesv2-300x162.png 300w\" width=\"432\"\/><\/p>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong> \u5b9f\u7dda\u306e\u77e2\u5370\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong> \u5b9f\u884c\u306e\u9806\u5e8f\u3092\u793a\u3059\u3002<\/li>\n<\/ul>\n<h3>C. \u958b\u59cb\u30ce\u30fc\u30c9\u3068\u7d42\u4e86\u30ce\u30fc\u30c9<\/h3>\n<p>\u3059\u3079\u3066\u306e\u56f3\u306b\u306f\u5358\u4e00\u306e\u958b\u59cb\u70b9\u30681\u3064\u4ee5\u4e0a\u306e\u7d42\u4e86\u70b9\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone size-full wp-image-14472\" decoding=\"async\" height=\"217\" loading=\"lazy\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Start-and-End-Nodes.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Start-and-End-Nodes.png 640w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Start-and-End-Nodes-300x102.png 300w\" width=\"640\"\/><\/p>\n<ul>\n<li><strong>\u521d\u671f\u30ce\u30fc\u30c9\uff08\u958b\u59cb\uff09\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\uff1a<\/strong>\u5b9f\u5fc3\u3067\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u5186\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u5236\u5fa1\u30d5\u30ed\u30fc\u306e\u5165\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u7d42\u4e86\u30ce\u30fc\u30c9\uff08\u7d42\u4e86\uff09\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\uff1a<\/strong>\u5927\u304d\u306a\u7a7a\u6d1e\u306e\u5186\u306b\u56f2\u307e\u308c\u305f\u5b9f\u5fc3\u306e\u5186\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u5185\u306e\u3059\u3079\u3066\u306e\u30d5\u30ed\u30fc\u306e\u5b8c\u4e86\u3092\u793a\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30d5\u30ed\u30fc\u7d42\u4e86\u30ce\u30fc\u30c9\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\uff1a<\/strong>\u5185\u90e8\u306b\u2018X\u2019\u304c\u3042\u308b\u5186\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u7279\u5b9a\u306e\u7d4c\u8def\uff08\u30d5\u30ed\u30fc\uff09\u306e\u7d42\u4e86\u3092\u793a\u3059\u304c\u3001<strong>\u305f\u3060\u3057<\/strong>\u5168\u4f53\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u5fc5\u305a\u3057\u3082\u7d42\u4e86\u3055\u305b\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u6c7a\u5b9a\u304a\u3088\u3073\u5206\u5c90\u8ad6\u7406\u306e\u30e2\u30c7\u30ea\u30f3\u30b0<\/h2>\n<p>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u3001\u30b3\u30fc\u30c9\u306b\u304a\u3051\u308b\u300cif-else\u300d\u3084\u300cswitch\u300d\u6587\u306e\u3088\u3046\u306b\u3001\u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u7279\u5b9a\u306e\u30ce\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002<code>if-else<\/code>\u307e\u305f\u306f<code>switch<\/code>\u6587\u306e\u3088\u3046\u306b\u3002<\/p>\n<h3>A. \u6c7a\u5b9a\u30ce\u30fc\u30c9\u3068\u30de\u30fc\u30b8\u30ce\u30fc\u30c9<\/h3>\n<p>\u3053\u308c\u3089\u306e\u30ce\u30fc\u30c9\u306f\u3001\u6761\u4ef6\u4ed8\u304d\u5206\u5c90\u304a\u3088\u3073\u305d\u306e\u5f8c\u306e\u30d1\u30b9\u306e\u518d\u7d50\u5408\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone size-full wp-image-14476\" decoding=\"async\" height=\"231\" loading=\"lazy\" sizes=\"auto, (max-width: 588px) 100vw, 588px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Decision-Merge-Nodes.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Decision-Merge-Nodes.png 588w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Decision-Merge-Nodes-300x118.png 300w\" width=\"588\"\/><\/p>\n<ul>\n<li><strong>\u6c7a\u5b9a\u30ce\u30fc\u30c9\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\uff1a<\/strong>\u83f1\u5f62\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6cd5\uff1a<\/strong>\u5358\u4e00\u306e\u5165\u529b\u30d5\u30ed\u30fc\u3068\u8907\u6570\u306e\u51fa\u529b\u30d5\u30ed\u30fc\u3002\u5404\u51fa\u529b\u30d5\u30ed\u30fc\u306b\u306f\u5fc5\u305a<strong>\u30ac\u30fc\u30c9\u6761\u4ef6<\/strong> \uff08\u56db\u89d2\u62ec\u5f27\u5185\u306e\u6761\u4ef6\u3001\u4f8b\uff1a<code>[\u5728\u5eab &gt; 0]<\/code>\uff09\u304c\u3001\u3069\u306e\u7d4c\u8def\u304c\u9078\u629e\u3055\u308c\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30de\u30fc\u30b8\u30ce\u30fc\u30c9\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong> \u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u578b\u3002<\/li>\n<li><strong> \u4f7f\u7528\u6cd5\uff1a<\/strong> \u8907\u6570\u306e\u6d41\u5165\u3068\u5358\u4e00\u306e\u6d41\u51fa\u3002\u5358\u306b\u7570\u306a\u308b\u5206\u5c90\u304c\u518d\u7d71\u5408\u3055\u308c\u308b\u70b9\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u6d41\u5165\u3059\u308b\u5206\u5c90\u306e\u3044\u305a\u308c\u304b\u304c\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3078\u3068\u3064\u306a\u304c\u308b\u3053\u3068\u3092\u793a\u3059\u3002\u4e26\u884c\u3059\u308b\u30d5\u30ed\u30fc\u306e\u540c\u671f\u306f\u884c\u308f\u306a\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4e26\u884c\u51e6\u7406\u3068\u540c\u671f\u306e\u30e2\u30c7\u30ea\u30f3\u30b0<\/h2>\n<p>\u4e00\u65b9\u3067\u3001<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/solutions\/free-flowchart-maker-online\/\">\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/a>\u901a\u5e38\u306f\u9806\u6b21\u7684\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u540c\u671f\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u4e26\u884c\u5b9f\u884c\u3092\u52b9\u679c\u7684\u306b\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<h3>A. \u30d5\u30a9\u30fc\u30af\u30ce\u30fc\u30c9\u3068\u30b8\u30e7\u30a4\u30f3\u30ce\u30fc\u30c9<\/h3>\n<p>\u3053\u308c\u3089\u306e\u30ce\u30fc\u30c9\u306f\u3001\u5358\u4e00\u306e\u5236\u5fa1\u30d5\u30ed\u30fc\u3092\u8907\u6570\u306e\u4e26\u884c\u30d5\u30ed\u30fc\u306b\u5206\u5272\u3057\u3001\u305d\u306e\u5f8c\u3001\u3053\u308c\u3089\u306e\u4e26\u884c\u30d5\u30ed\u30fc\u306e\u5b8c\u4e86\u3092\u5f85\u3064\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone size-full wp-image-14477\" decoding=\"async\" height=\"318\" loading=\"lazy\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Fork-and-Join-Node.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Fork-and-Join-Node.png 676w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Fork-and-Join-Node-300x141.png 300w\" width=\"676\"\/><\/p>\n<ul>\n<li><strong>\u30d5\u30a9\u30fc\u30af\u30ce\u30fc\u30c9\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong> \u539a\u3044\u6c34\u5e73\u307e\u305f\u306f\u5782\u76f4\u306e\u30d0\u30fc\u3002<\/li>\n<li><strong> \u4f7f\u7528\u6cd5\uff1a<\/strong> \u5358\u4e00\u306e\u6d41\u5165\u3068\u8907\u6570\u306e\u6d41\u51fa\u3002\u3059\u3079\u3066\u306e\u6d41\u51fa\u30d5\u30ed\u30fc\u306f\u3053\u306e\u70b9\u304b\u3089<em>\u4e26\u884c\u3057\u3066<\/em>\uff08\u4e26\u884c\u3057\u3066\uff09\u3053\u306e\u70b9\u304b\u3089\u5b9f\u884c\u3092\u958b\u59cb\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30b8\u30e7\u30a4\u30f3\u30ce\u30fc\u30c9\uff1a<\/strong>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong> \u539a\u3044\u6c34\u5e73\u307e\u305f\u306f\u5782\u76f4\u306e\u30d0\u30fc\u3002<\/li>\n<li><strong> \u4f7f\u7528\u6cd5\uff1a<\/strong> \u8907\u6570\u306e\u6d41\u5165\u3068\u5358\u4e00\u306e\u6d41\u51fa\u3002\u6d41\u51fa\u30d5\u30ed\u30fc\u306f<strong>\u3059\u3079\u3066\u306e<\/strong>\u6d41\u5165\u3059\u308b\u4e26\u884c\u30d5\u30ed\u30fc\u304c\u5b8c\u4e86\uff08\u540c\u671f\uff09\u3059\u308b\u307e\u3067\u958b\u59cb\u3067\u304d\u306a\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u7d44\u7e54\u7684\u8981\u7d20\uff1a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3<\/h2>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/a-guide-to-swimlane-activity-diagrams\/\">\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3<\/a>\uff08\u5225\u540d\uff1a\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff09\u306f\u3001\u3069\u306e\u90e8\u9580\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001\u307e\u305f\u306f\u30a2\u30af\u30bf\u30fc\u304c\u3069\u306e\u6d3b\u52d5\u306b\u5bfe\u3057\u3066\u8cac\u4efb\u3092\u6301\u3064\u306e\u304b\u3092\u793a\u3059\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u8996\u899a\u7684\u306b\u56f3\u3092\u5782\u76f4\u307e\u305f\u306f\u6c34\u5e73\u306e\u30be\u30fc\u30f3\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8868\u8a18\u6cd5\uff1a<\/strong>\u8cac\u4efb\u9818\u57df\u3092\u5206\u3051\u308b\u5782\u76f4\u307e\u305f\u306f\u6c34\u5e73\u306e\u5e73\u884c\u7dda\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u5b9f\u884c\u3059\u308b\u4e3b\u4f53\u306b\u3088\u3063\u3066\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u7570\u306a\u308b\u7d44\u7e54\u5358\u4f4d\u9593\u3067\u306e\u660e\u78ba\u306a\u8cac\u4efb\u3092\u78ba\u4fdd\u3059\u308b\uff08\u4f8b\uff1a\u300c\u9867\u5ba2\u300d\u3001\u300cWeb\u30b7\u30b9\u30c6\u30e0\u300d\u3001\u300c\u5009\u5eab\u300d\uff09\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/963809e4-f9d7-4d8e-8729-5df34911c892\/activity-diagram-design\/order-fulfilment.png\"\/><\/p>\n<h2>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u8981\u7d04<\/h2>\n<ul>\n<li><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u306a\u304f\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\uff1a<\/strong>\u30af\u30e9\u30b9\u9593\u306e\u69cb\u9020\u7684\u95a2\u4fc2\uff08\u3053\u308c\u306f\u30af\u30e9\u30b9\u56f3\u306e\u5f79\u5272\uff09\u3067\u306f\u306a\u304f\u3001\u624b\u9806\u306e\u9806\u5e8f\u3068\u5236\u5fa1\u306e\u6d41\u308c\u306b\u6ce8\u76ee\u3059\u308b\u3002<\/li>\n<li><strong>\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3059\u308b\uff1a<\/strong>\u7279\u306b\u30af\u30ed\u30b9\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30ca\u30eb\u306a\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u3001\u5404\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u4e3b\u4f53\uff08\u8ab0\u304b\u3001\u4f55\u304b\uff09\u3092\u660e\u78ba\u306b\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u3001\u5e38\u306b\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li><strong>\u30ac\u30fc\u30c9\u3092\u30e9\u30d9\u30eb\u5316\u3059\u308b\uff1a<\/strong>\u6c7a\u5b9a\u30ce\u30fc\u30c9\u304b\u3089\u306e\u3059\u3079\u3066\u306e\u51fa\u529b\u30d5\u30ed\u30fc\u304c\u3001\u660e\u78ba\u3067\u6392\u4ed6\u7684\u306a\u30ac\u30fc\u30c9\u6761\u4ef6\uff08\u4f8b\uff1a<code>[A]<\/code>, <code>[B]<\/code>, <code>[Else]<\/code>).<\/li>\n<li><strong>\u30d5\u30a9\u30fc\u30af\u306e\u540c\u671f\uff1a<\/strong>\u3059\u3079\u3066\u306e<strong>\u30d5\u30a9\u30fc\u30af<\/strong>\u306f\u3001<strong>\u30b8\u30e7\u30a4\u30f3<\/strong>\u3059\u3079\u3066\u306e\u4e26\u5217\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u5f85\u6a5f\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>UML\u3068AI\u304c\u305d\u308c\u3092\u53ef\u8996\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3088\u308a\u6df1\u304f\u7406\u89e3\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u79c1\u305f\u3061\u306e<a href=\"https:\/\/www.cybermedian.com\/the-definitive-guide-to-the-unified-modeling-language-uml\/\">UML\u30ea\u30bd\u30fc\u30b9\u30cf\u30d6<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3053\u308c\u306f\u3001\u30d7<\/p>\n","protected":false},"author":5,"featured_media":9382,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002","_yoast_wpseo_metadesc":"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.","footnotes":""},"categories":[3],"tags":[],"class_list":["post-9381","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 v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/title>\n<meta name=\"description\" content=\"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.\" \/>\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.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002\" \/>\n<meta property=\"og:description\" content=\"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\" \/>\n<meta property=\"og:site_name\" content=\"\u30b5\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30f3\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-03T07:01:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-14T10:57:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png\" \/>\n\t<meta property=\"og:image:width\" content=\"432\" \/>\n\t<meta property=\"og:image:height\" content=\"289\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"vpwing\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpwing\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\"},\"author\":{\"name\":\"vpwing\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34\"},\"headline\":\"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30eb\u5316\",\"datePublished\":\"2025-12-03T07:01:27+00:00\",\"dateModified\":\"2026-04-14T10:57:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\"},\"wordCount\":15,\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png\",\"articleSection\":[\"Unified Modeling Language\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\",\"url\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\",\"name\":\"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png\",\"datePublished\":\"2025-12-03T07:01:27+00:00\",\"dateModified\":\"2026-04-14T10:57:28+00:00\",\"author\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34\"},\"description\":\"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage\",\"url\":\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png\",\"contentUrl\":\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png\",\"width\":432,\"height\":289},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.cybermedian.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30eb\u5316\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#website\",\"url\":\"https:\/\/www.cybermedian.com\/ja\/\",\"name\":\"\u30b5\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30f3\",\"description\":\"\u6bce\u65e51\u3064\u306e\u65b0\u3057\u3044\u3053\u3068\u3092\u5b66\u3076\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.cybermedian.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34\",\"name\":\"vpwing\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4b6db296c78a800ccf76c379029a84263fc560f452fabfa00122d9ad34f40a2a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/4b6db296c78a800ccf76c379029a84263fc560f452fabfa00122d9ad34f40a2a?s=96&d=mm&r=g\",\"caption\":\"vpwing\"},\"url\":\"https:\/\/www.cybermedian.com\/ja\/author\/vpwing\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002","description":"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/","og_locale":"ja_JP","og_type":"article","og_title":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002","og_description":"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.","og_url":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/","og_site_name":"\u30b5\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30f3","article_published_time":"2025-12-03T07:01:27+00:00","article_modified_time":"2026-04-14T10:57:28+00:00","og_image":[{"width":432,"height":289,"url":"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png","type":"image\/png"}],"author":"vpwing","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"vpwing","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"5\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#article","isPartOf":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/"},"author":{"name":"vpwing","@id":"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34"},"headline":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30eb\u5316","datePublished":"2025-12-03T07:01:27+00:00","dateModified":"2026-04-14T10:57:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/"},"wordCount":15,"image":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png","articleSection":["Unified Modeling Language"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/","url":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/","name":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3002\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u6c7a\u5b9a\u3001\u30d5\u30a9\u30fc\u30af\u3001\u30b8\u30e7\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d44\u7e54\u7684\u306a\u30b9\u30a4\u30e0\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u5217\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3001\u5805\u7262\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5206\u6790\u3092\u884c\u3046\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002","isPartOf":{"@id":"https:\/\/www.cybermedian.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage"},"image":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png","datePublished":"2025-12-03T07:01:27+00:00","dateModified":"2026-04-14T10:57:28+00:00","author":{"@id":"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34"},"description":"A complete guide to the UML Activity Diagram. Learn how to model sequential and concurrent system flow using actions, decisions, forks, joins, and organizational swimlanes for robust workflow analysis.","breadcrumb":{"@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#primaryimage","url":"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png","contentUrl":"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2026\/02\/activity-diagram-Activity-and-Action-Nodes.png","width":432,"height":289},{"@type":"BreadcrumbList","@id":"https:\/\/www.cybermedian.com\/ja\/uml-activity-diagram-modeling-sequential-and-concurrent-system-flow\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.cybermedian.com\/ja\/"},{"@type":"ListItem","position":2,"name":"UML\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\uff1a\u9806\u6b21\u7684\u304a\u3088\u3073\u4e26\u884c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30eb\u5316"}]},{"@type":"WebSite","@id":"https:\/\/www.cybermedian.com\/ja\/#website","url":"https:\/\/www.cybermedian.com\/ja\/","name":"\u30b5\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30f3","description":"\u6bce\u65e51\u3064\u306e\u65b0\u3057\u3044\u3053\u3068\u3092\u5b66\u3076","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.cybermedian.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34","name":"vpwing","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.cybermedian.com\/ja\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/4b6db296c78a800ccf76c379029a84263fc560f452fabfa00122d9ad34f40a2a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4b6db296c78a800ccf76c379029a84263fc560f452fabfa00122d9ad34f40a2a?s=96&d=mm&r=g","caption":"vpwing"},"url":"https:\/\/www.cybermedian.com\/ja\/author\/vpwing\/"}]}},"_links":{"self":[{"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/posts\/9381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/comments?post=9381"}],"version-history":[{"count":1,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/posts\/9381\/revisions"}],"predecessor-version":[{"id":10387,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/posts\/9381\/revisions\/10387"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/media\/9382"}],"wp:attachment":[{"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/media?parent=9381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/categories?post=9381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cybermedian.com\/ja\/wp-json\/wp\/v2\/tags?post=9381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}