{"id":8484,"date":"2022-01-26T01:58:01","date_gmt":"2022-01-26T01:58:01","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/?p=8484"},"modified":"2026-04-20T09:13:10","modified_gmt":"2026-04-20T09:13:10","slug":"%e3%82%b9%e3%83%86%e3%83%bc%e3%83%88%e3%83%9e%e3%82%b7%e3%83%b3%e5%9b%b3%e3%81%a8%e3%82%a2%e3%82%af%e3%83%86%e3%82%a3%e3%83%93%e3%83%86%e3%82%a3%e5%9b%b3","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/state-machine-diagram-vs-activity-diagram\/","title":{"rendered":"\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u56f3\u3068\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3"},"content":{"rendered":"<section class=\"section section--body section--first\">\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<p id=\"a42d\" class=\"graf graf--p graf-after--h3\"><span 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graf-after--p\">\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u3067\u306e\u3053\u308c\u3089\u306e\u5909\u63db\u306f\u3001\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u5168\u4f53\u3067\u8ffd\u8de1\u3055\u308c\u307e\u3059\uff08UML\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3068\u3082\u547c\u3070\u308c\u307e\u3059\uff09\u3002UML\u72b6\u614b\u56f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u72b6\u614b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u3001\u6642\u9593\u306e\u7d4c\u904e\u3001\u30a8\u30e9\u30fc\u3001\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u306a\u3069\uff09\u3092\u901a\u77e5\u3067\u304d\u307e\u3059\u3002 \u3002\uff09\u3053\u308c\u3089\u306e\u72b6\u614b\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u306b\u6642\u9593\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u307e\u3059\u3002<\/p>\n<p id=\"3199\" class=\"graf graf--p graf-after--p\">\u72b6\u614b\u56f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3055\u307e\u3056\u307e\u306a\u72b6\u614b\u3001\u72b6\u614b\u9593\u306e\u9077\u79fb\u30d7\u30ed\u30bb\u30b9\u3001\u304a\u3088\u3073\u72b6\u614b\u9077\u79fb\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u30a4\u30d9\u30f3\u30c8\u3068\u6761\u4ef6\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"0b3e\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0sll1GP1HqNNwsoKH.png\" data-image-id=\"0*sll1GP1HqNNwsoKH.png\" data-width=\"702\" data-height=\"310\" data-is-featured=\"true\" \/><\/figure>\n<h4 id=\"e91d\" class=\"graf graf--h4 graf-after--figure\"><span id=\"What_is_State_Transition\">\u72b6\u614b\u9077\u79fb\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/span><\/h4>\n<p id=\"79ba\" class=\"graf graf--p graf-after--h4\">\u72b6\u614b\u56f3\u306e\u6d41\u308c\u306f\u901a\u5e38\u3001\u767a\u751f\u3059\u308b\u9077\u79fb\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u7279\u5b9a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u306f\u3001\u5197\u9577\u306a\u72b6\u614b\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u8907\u6570\u306e\u9077\u79fb\u304c\u540c\u3058\u72b6\u614b\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u8907\u6570\u306e\u30dc\u30c3\u30af\u30b9\u3092\u5225\u306e\u30dc\u30c3\u30af\u30b9\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001\u30b9\u30fc\u30d1\u30fc\u30b9\u30c6\u30fc\u30c8\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30a4\u30d9\u30f3\u30c8\u3068\u9077\u79fb\u304c\u8907\u96d1\u306a\u5834\u5408\u3001\u3053\u306e\u5f62\u5f0f\u306b\u3088\u308a\u72b6\u614b\u56f3\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"a5d6\" class=\"graf graf--h4 graf-after--p\"><span id=\"State_Diagram_vs_Flowcharts\">\u72b6\u614b\u56f3\u3068\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/span><\/h4>\n<p id=\"5841\" class=\"graf graf--p graf-after--h4\">\u72b6\u614b\u56f3\u3068\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3092\u6df7\u540c\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u56f3\u306f\u3001\u72b6\u614b\u56f3\u3068\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306e\u6bd4\u8f03\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e0b\u306e\u5de6\u306e\u56f3\u306e\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u56f3\u306f\u3001\u660e\u793a\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u3066\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001\u53f3\u4e0b\u306e\u56f3\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u3001\u660e\u793a\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u5b8c\u4e86\u6642\u306b\u30b0\u30e9\u30d5\u5185\u306e\u30ce\u30fc\u30c9\u304b\u3089\u30ce\u30fc\u30c9\u306b\u81ea\u52d5\u7684\u306b\u9077\u79fb\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"a280\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0H_rU5fPFSNfvX2S8.png\" data-image-id=\"0*H_rU5fPFSNfvX2S8.png\" data-width=\"498\" data-height=\"360\" \/><\/figure>\n<h3 id=\"fbb1\" class=\"graf graf--h3 graf-after--figure\"><span id=\"What_is_Activity_Diagram\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/span><\/h3>\n<p id=\"7f1a\" class=\"graf graf--p graf-after--h3\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3<\/a>\u00a0\u306f\u3001\u540c\u6642\u5b9f\u884c\u3068\u540c\u671f\u3092\u4f34\u3046\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u3068\u30a4\u30d9\u30f3\u30c8\u306e\u30d5\u30ed\u30fc\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u72b6\u614b\u56f3\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u305d\u308c\u3089\u306f\u4ee5\u4e0b\u306e\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ul class=\"postList\">\n<li id=\"61e4\" class=\"graf graf--li graf-after--p\">\u30d2\u30e5\u30fc\u30de\u30f3\u30bf\u30b9\u30af\uff08\u305f\u3068\u3048\u3070\u3001\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\uff09\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u3002<\/li>\n<li id=\"21c5\" class=\"graf graf--li graf-after--li\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u8868\u3055\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/li>\n<li id=\"cd6e\" class=\"graf graf--li graf-after--li\">\u52d5\u4f5c\u4ed5\u69d8\u306b\u304a\u3044\u3066\u3001\u52d5\u4f5c\u306e\u8ad6\u7406\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<figure id=\"24c4\" class=\"graf graf--figure graf-after--li graf--trailing\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0lxv2ZdSunFSgZAdS.png\" data-image-id=\"0*lxv2ZdSunFSgZAdS.png\" data-width=\"432\" data-height=\"503\" \/><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\" \/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h3 id=\"8d3d\" class=\"graf graf--h3 graf--leading\"><span id=\"Activity_Diagram_vs_State_Machine_Diagram\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3068\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u56f3<\/span><\/h3>\n<h3 id=\"51e0\" class=\"graf graf--h3 graf-after--h3\"><span id=\"Activity_Diagram\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3<\/span><\/h3>\n<p id=\"a943\" class=\"graf graf--p graf-after--h3\">UML\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3067\u306f\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u306b\u9084\u5143\u53ef\u80fd\u3067\u3042\u308a\u3001\u9802\u70b9\u306f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u5b9f\u884c\u3092\u8868\u3057\u3001\u30a8\u30c3\u30b8\u306f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e1\u3064\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u5b8c\u4e86\u304b\u3089\u65b0\u3057\u3044\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u3078\u306e\u9077\u79fb\u3092\u8868\u3059\u3068\u3044\u3046\u8ffd\u52a0\u306e\u8868\u8a18\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u5074\u9762\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u307e\u3059\u3002\u7279\u306b\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3067\u4e26\u884c\u6027\u3068\u8abf\u6574\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p id=\"1f2a\" class=\"graf graf--p graf-after--p\">\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u6d41\u308c\u3092\u30e2\u30c7\u30eb\u5316\u3057\u305f\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u3088\u3046\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"53c3\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0mwWVGN_palPlkh_O.png\" data-image-id=\"0*mwWVGN_palPlkh_O.png\" data-width=\"546\" data-height=\"152\" \/><\/figure>\n<h3 id=\"5f6e\" class=\"graf graf--h3 graf-after--figure\"><span id=\"State_Machine_Diagram\">\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\u56f3<\/span><\/h3>\n<p id=\"7a44\" 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