{"id":10994,"date":"2026-03-06T07:09:50","date_gmt":"2026-03-05T23:09:50","guid":{"rendered":"https:\/\/www.archimetric.com\/ja\/what-is-sequence-diagram\/"},"modified":"2026-03-06T07:09:50","modified_gmt":"2026-03-05T23:09:50","slug":"what-is-sequence-diagram","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/ja\/what-is-sequence-diagram\/","title":{"rendered":"\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u304b"},"content":{"rendered":"<div class=\"tutorial-info\">\u4e21\u65b9\u306e<a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp#:~:text=A%20sequence%20diagram%20is%20an,the%20functionality%20of%20the%20scenario.\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/a>\u3068\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u56f3\u306f\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u56f3\u306e\u7a2e\u985e\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u7684\u30d3\u30e5\u30fc\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/a>\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6642\u9593\u7684\u9806\u5e8f\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u305f\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u56f3\u3067\u3059\u3002\u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u4e0e\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30af\u30e9\u30b9\u3001\u304a\u3088\u3073\u30b7\u30ca\u30ea\u30aa\u306e\u6a5f\u80fd\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u3067\u4ea4\u63db\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9806\u5e8f\u3092\u793a\u3057\u307e\u3059\u3002\u901a\u5e38\u30011\u3064\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3067\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u4e3b\u306a\u30d5\u30ed\u30fc\u3092\u6307\u5b9a\u3057\u3001\u305d\u306e\u5909\u5f62\u7248\u3067\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u4f8b\u5916\u7684\u306a\u30d5\u30ed\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/div>\n<div><\/div>\n<div><img alt=\"Sequence Diagram, UML Diagrams Example: Break Communication Fragment - Visual Paradigm Community Circle\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/Sequence-Diagram-Break-Communication-Fragment.png\"\/><\/div>\n<div class=\"tutorial-comment-header\"><\/div>\n<div class=\"content-tutorial\">\n<hr\/>\n<h2>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u69cb\u6210\u8981\u7d20<\/h2>\n<h3 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width=\"293\"\/><\/p>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u306f\u7279\u5b9a\u306e\u3082\u306e\uff08\u4f8b\uff1amyAccount\uff09\u3067\u3042\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u4e00\u822c\u7684\u306a\u3082\u306e\uff08\u4f8b\uff1amyAccount 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class=\"h2\">\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u64cd\u4f5c\u306e\u547c\u3073\u51fa\u3057\u3092\u6c34\u5e73\u65b9\u5411\u306b\u793a\u3057\u307e\u3059\u3002\u9001\u4fe1\u5143\u304b\u3089\u53d7\u4fe1\u5143\u3078\u3068\u63cf\u304b\u308c\u307e\u3059\u3002\u9806\u5e8f\u306f\u5782\u76f4\u65b9\u5411\u306e\u4f4d\u7f6e\u306b\u3088\u3063\u3066\u793a\u3055\u308c\u3001\u6700\u521d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u56f3\u306e\u4e0a\u90e8\u306b\u3001\u6700\u5f8c\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u56f3\u306e\u4e0b\u90e8\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306f\u7701\u7565\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u7dda\u306e\u7a2e\u985e\u3068\u77e2\u5370\u306e\u5148\u7aef\u306e\u7a2e\u985e\u306f\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n<ol class=\"contentList\">\n<li>\u3042\u308b<b>\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/b>\uff08\u901a\u5e38\u306f\u64cd\u4f5c\u547c\u3073\u51fa\u3057\uff09\u306f\u3001\u5b9f\u7dda\u3068\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u77e2\u5370\u982d\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u9001\u4fe1\u8005\u3068\u53d7\u4fe1\u8005\u9593\u306e\u901a\u5e38\u306e\u901a\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b\u901a\u5e38\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u547c\u3073\u51fa\u3057\u3067\u3059\u3002<br \/>\n<img alt=\"Lifelines with synchronous message\" decoding=\"async\" height=\"151\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/02-lifelines-with-synchronous-message.png\" width=\"223\"\/><\/li>\n<li>\u3042\u308b<b>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/b>\u306f\u3001\u70b9\u7dda\u3068\u958b\u653e\u3055\u308c\u305f\u77e2\u5370\u982d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\n<img alt=\"Lifelines with return message\" decoding=\"async\" height=\"151\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/03-lifelines-with-return-message.png\" width=\"223\"\/><\/li>\n<li>\u3042\u308b<b>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/b>\u306f\u3001\u5b9f\u7dda\u3068\u958b\u653e\u3055\u308c\u305f\u77e2\u5370\u982d\u3092\u6301\u3061\u307e\u3059\u3002\u30b7\u30b0\u30ca\u30eb\u306f\u3001\u8fd4\u4fe1\u306e\u306a\u3044\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u3059\u3002<br \/>\n<img alt=\"Lifelines with asynchronous\" decoding=\"async\" height=\"151\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/04-lifelines-with-asynchronous-message.png\" width=\"223\"\/><\/li>\n<\/ol>\n<h3 class=\"h3\">\u751f\u6210\u3068\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u53c2\u52a0\u8005\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5168\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u5b58\u5728\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u53c2\u52a0\u8005\u306f\u3001\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5fdc\u3058\u3066\u751f\u6210\u3055\u308c\u305f\u308a\u7834\u68c4\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3042\u308b<b>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30e1\u30c3\u30bb\u30fc\u30b8<\/b>\u306f\u305d\u306e\u53d7\u4fe1\u8005\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u70b9\u3067\u65e2\u306b\u5b58\u5728\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u56f3\u306e\u4e0a\u90e8\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057\u306b\u3088\u3063\u3066\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u4e2d\u306b\u751f\u6210\u3055\u308c\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001\u81ea\u52d5\u7684\u306b\u56f3\u306e\u4e0b\u90e8\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img alt=\"Lifelines with constructor\" decoding=\"async\" height=\"205\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/05-lifelines-with-constructor.png\" width=\"223\"\/>A<\/p>\n<p><b>\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8<\/b>\u53d7\u4fe1\u8005\u3092\u7834\u68c4\u3059\u308b\u3002\u76f8\u4e92\u4f5c\u7528\u4e2d\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u7834\u68c4\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3059\u4ed6\u306e\u65b9\u6cd5\u3082\u3042\u308b\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u7834\u68c4\u304c\u300c\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5f8c\u300d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u3001\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p><img alt=\"Lifelines with destructor\" decoding=\"async\" height=\"151\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/06-lifelines-with-desstructor.png\" width=\"223\"\/><\/p>\n<h3 class=\"h3\">\u975e\u5373\u6642\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3057\u3070\u3057\u3070\u5373\u6642\u7684\u3067\u3042\u308b\u3068\u898b\u306a\u3055\u308c\u308b\u305f\u3081\u3001\u53d7\u4fe1\u8005\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u306f\u7121\u8996\u3067\u304d\u308b\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6c34\u5e73\u306e\u77e2\u5370\u3067\u63cf\u304b\u308c\u308b\u3002\u53d7\u4fe1\u8005\u304c\u5b9f\u969b\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u4e00\u5b9a\u306e\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u3092\u793a\u3059\u305f\u3081\u306b\u3001<b>\u659c\u3081\u306e\u77e2\u5370\u304c\u4f7f\u7528\u3055\u308c\u308b<\/b>.<\/p>\n<p><img alt=\"Lifelines with instantaneous message\" decoding=\"async\" height=\"182\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/07-lifelines-with-instantaneous-message.png\" width=\"223\"\/><\/p>\n<h3 class=\"h2\">\u5236\u5fa1\u306e\u7126\u70b9<\/h3>\n<p>\u5236\u5fa1\u306e\u7126\u70b9\u306f\u3001\u8981\u7d20\u304c\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u671f\u9593\u3092\u8868\u3059\u3002\u77e9\u5f62\u306e\u4e0a\u7aef\u3068\u4e0b\u7aef\u306f\u305d\u308c\u305e\u308c\u958b\u59cb\u6642\u523b\u3068\u5b8c\u4e86\u6642\u523b\u306b\u5408\u308f\u305b\u3066\u914d\u7f6e\u3055\u308c\u308b<\/p>\n<h3 class=\"h2\">\u53cd\u5fa9\u8a18\u6cd5<\/h3>\n<p><b>\u53cd\u5fa9\u8a18\u6cd5<\/b>\u8907\u6570\u306e\u53d7\u4fe1\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u4f55\u5ea6\u3082\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u8868\u3059\u3002\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u5834\u5408\u306b\u8d77\u3053\u308b\u3002\u53cd\u5fa9\u306e\u6839\u62e0\u3092\u62ec\u5f27\u5185\u306b\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u305f\u3068\u3048\u3070 *[\u3059\u3079\u3066\u306e\u6ce8\u6587\u884c\u306b\u3064\u3044\u3066] \u306a\u3069\u3002<\/p>\n<h2 class=\"h2\">\u4f8b\uff1a\u6ce8\u6587\u306e\u4f5c\u6210<\/h2>\n<p>\u3053\u306e\u4f8b\u306f\u30013\u3064\u306e\u53c2\u52a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u9867\u5ba2\u3001\u6ce8\u6587\u3001\u5728\u5eab\uff09\u3092\u542b\u3080\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u6b63\u5f0f\u306a\u8a18\u6cd5\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u3001\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u304b\u5927\u307e\u304b\u306b\u7406\u89e3\u3067\u304d\u308b\u3060\u308d\u3046\u3002<\/p>\n<ol class=\"contentPoint\">\n<li>\u30b9\u30c6\u30c3\u30d71\u30682\uff1a\u9867\u5ba2\u304c\u6ce8\u6587\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<li>\u30b9\u30c6\u30c3\u30d73\uff1a\u9867\u5ba2\u304c\u6ce8\u6587\u306b\u5546\u54c1\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<li>\u30b9\u30c6\u30c3\u30d74\u30015\uff1a\u5404\u5546\u54c1\u306b\u3064\u3044\u3066\u5728\u5eab\u306e\u6709\u7121\u304c\u78ba\u8a8d\u3055\u308c\u308b\u3002<\/li>\n<li>\u30b9\u30c6\u30c3\u30d76\u30017\u30018\uff1a\u5546\u54c1\u304c\u5728\u5eab\u306b\u3042\u308b\u5834\u5408\u3001\u6ce8\u6587\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3002<\/li>\n<li>\u30b9\u30c6\u30c3\u30d79\uff1a\u623b\u308a<\/li>\n<li>\u30b9\u30c6\u30c3\u30d710\u300111\uff1a\u6ce8\u6587\u3092\u4fdd\u5b58\u3057\u3066\u7834\u68c4\u3059\u308b<\/li>\n<\/ol>\n<p><img alt=\"Sequence Diagram example\" decoding=\"async\" height=\"616\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/08-sequence-diagram-example.png\" width=\"735\"\/><\/p>\n<h3 class=\"h2\">\u30b7\u30fc\u30b1\u30f3\u30b9\u65ad\u7247<\/h3>\n<p>UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3067\u306f\u3001\u7d50\u5408\u65ad\u7247\u3092\u4f7f\u7528\u3057\u3066\u30eb\u30fc\u30d7\u3001\u5206\u5c90\u3001\u305d\u306e\u4ed6\u306e\u9078\u629e\u80a2\u3092\u8868\u793a\u3067\u304d\u308b\u3002\u7d50\u5408\u65ad\u7247\u306f1\u3064\u4ee5\u4e0a\u306e\u76f8\u4e92\u4f5c\u7528\u30aa\u30da\u30e9\u30f3\u30c9\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u304c1\u3064\u4ee5\u4e0a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u4f7f\u7528\u3001\u307e\u305f\u306f\u7d50\u5408\u65ad\u7247\u3092\u542b\u3080\u3002<\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u65ad\u7247\u306f\u3001\u7d50\u5408\u65ad\u7247\u3068\u547c\u3070\u308c\u308b\u30dc\u30c3\u30af\u30b9\u3068\u3057\u3066\u8868\u3055\u308c\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u5185\u306e\u4e00\u90e8\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u56f2\u3080\u3002\u65ad\u7247\u6f14\u7b97\u5b50\uff08\u5de6\u4e0a\u9685\u306b\u4f4d\u7f6e\uff09\u306f\u65ad\u7247\u306e\u7a2e\u985e\u3092\u793a\u3059\u3002\u65ad\u7247\u306e\u7a2e\u985e\u306b\u306f\u3001ref\u3001assert\u3001loop\u3001break\u3001alt\u3001opt\u3001neg\u3001ref\u3001sd\u304c\u3042\u308b\u3002<\/p>\n<h2>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u8a18\u6cd5\u306e\u8981\u7d04<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<td width=\"150\"><b>\u6f14\u7b97\u5b50<\/b><\/td>\n<td><b>\u610f\u5473<\/b><\/td>\n<\/tr>\n<tr>\n<td>alt<\/td>\n<td><b>\u8907\u6570\u306e\u65ad\u7247\u306e\u9078\u629e\u80a2\uff1a\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u3082\u306e\u3060\u3051\u304c\u5b9f\u884c\u3055\u308c\u308b\u3002<\/b><\/td>\n<\/tr>\n<tr>\n<td>opt<\/td>\n<td><b>\u30aa\u30d7\u30b7\u30e7\u30f3<\/b>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u63d0\u4f9b\u3055\u308c\u305f\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u307e\u3059\u30021\u3064\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u6301\u3064alt\u3068\u540c\u7b49\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4e26\u5217<\/td>\n<td><b>\u4e26\u5217<\/b>: \u5404\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4e26\u5217\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30eb\u30fc\u30d7<\/td>\n<td><b>\u30eb\u30fc\u30d7<\/b>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u8907\u6570\u56de\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30ac\u30fc\u30c9\u306f\u53cd\u5fa9\u306e\u57fa\u6e96\u3092\u793a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u9818\u57df<\/td>\n<td><b>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u9818\u57df<\/b>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4e00\u5ea6\u306b1\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u307f\u304c\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5426\u5b9a<\/td>\n<td><b>\u5426\u5b9a<\/b>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u7121\u52b9\u306a\u76f8\u4e92\u4f5c\u7528\u3092\u793a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u53c2\u7167<\/td>\n<td><b>\u53c2\u7167<\/b>: \u4ed6\u306e\u56f3\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u76f8\u4e92\u4f5c\u7528\u3092\u53c2\u7167\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306b\u95a2\u4e0e\u3059\u308b\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3088\u3046\u306b\u63cf\u304b\u308c\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u623b\u308a\u5024\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u9806\u5e8f\u56f3<\/td>\n<td><b>\u9806\u5e8f\u56f3<\/b>: \u5168\u3066\u306e\u9806\u5e8f\u56f3\u3092\u56f2\u3080\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"h3\">\u4f8b \u0096 \u6ce8\u6587\u306e\u30b7\u30ca\u30ea\u30aa<\/h2>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u6ce8\u6587\u3057\u305f\u3044\u8239\u306e\u4f1a\u54e1\u3002\u6ce8\u6587\u3055\u308c\u305f\u5546\u54c1\u306f\u3001\u4f1a\u54e1\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\uff08VIP\u3001\u901a\u5e38\u4f1a\u54e1\uff09\u306b\u5fdc\u3058\u3066\u3001\u5b85\u914d\u4fbf\u307e\u305f\u306f\u901a\u5e38\u306e\u90f5\u4fbf\u3067\u9001\u3089\u308c\u307e\u3059\u3002\u4f1a\u54e1\u304c\u6ce8\u6587\u6642\u306b\u901a\u77e5\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3057\u305f\u5834\u5408\u3001\u5e97\u8217\u306f\u4f1a\u54e1\u306b\u78ba\u8a8d\u901a\u77e5\u3092\u9001\u4fe1\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img alt=\"Sequence Diagram example\" decoding=\"async\" height=\"439\" loading=\"lazy\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2022\/02\/09-sequence-diagram-example.png\" width=\"731\"\/><\/p>\n<p>Visual Paradigm\u306f\u9806\u5e8f\u56f3\u304a\u3088\u3073\u305d\u306e\u4ed6\u306eUML\u56f3\u30bf\u30a4\u30d7\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u9806\u5e8f\u56f3\u3092\u4f7f\u7528\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u7684\u52d5\u4f5c\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u306e\u3059\u3079\u3066\u306e\u30c4\u30fc\u30eb\u304c\u305d\u308d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"title style-scope ytd-video-primary-info-renderer\">\u30af\u30a4\u30c3\u30af\u52d5\u753b \u0096 \u9806\u5e8f\u56f3\u3092\u63cf\u304f5\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n<p><iframe allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" class=\"__youtube_prefs__ epyt-is-override no-lazyload\" data-no-lazy=\"1\" data-origheight=\"456\" data-origwidth=\"810\" data-skipgform_ajax_framebjll=\"\" height=\"456\" id=\"_ytid_29676\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" src=\"https:\/\/www.youtube.com\/embed\/18_kVlQMavE?enablejsapi=1&amp;autoplay=0&amp;cc_load_policy=0&amp;cc_lang_pref=&amp;iv_load_policy=1&amp;loop=0&amp;rel=1&amp;fs=1&amp;playsinline=0&amp;autohide=2&amp;theme=dark&amp;color=red&amp;controls=1&amp;disablekb=0&amp;\" title=\"YouTube player\" width=\"810\"><\/iframe><\/p>\n<h2>\u6982\u8981<\/h2>\n<p>\u9806\u5e8f\u56f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5354\u50cd\u3092\u6642\u9593\u9806\u5e8f\u306b\u57fa\u3065\u3044\u3066\u30e2\u30c7\u30eb\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3051\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540c\u58eb\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u793a\u3057\u307e\u3059\u3002\u9ad8\u5ea6\u306a\u8996\u899a\u7684\u30e2\u30c7\u30ea\u30f3\u30b0\u6a5f\u80fd\u306b\u3088\u308a\u3001\u6570\u30af\u30ea\u30c3\u30af\u3067\u8907\u96d1\u306a\u9806\u5e8f\u56f3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001Visual Paradigm\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u8a18\u8ff0\u3067\u5b9a\u7fa9\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c\u306b\u57fa\u3065\u3044\u3066\u9806\u5e8f\u56f3\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u00a0<\/p>\n<\/div>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/sequence-diagram-tutorial\/\">\u9806\u5e8f\u56f3\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2577\/7025_drawingseque.html\">\u9806\u5e8f\u56f3\u306e\u63cf\u304d\u65b9\uff1f<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/solution\/sequencedgm\/uml-sequence-diagram-tool\/\">UML\u9806\u5e8f\u56f3\u30c4\u30fc\u30eb<\/a><\/li>\n<li><strong>\u9806\u5e8f\u56f3\u3068\u306f\u4f55\u304b\uff1f<\/strong>\n<ul>\n<li>Visual Paradigm. (n.d.). <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3 \u2013 \u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e (UML)<\/strong>\n<ul>\n<li>GeeksforGeeks. (2017\u5e7410\u670827\u65e5). <a href=\"https:\/\/www.geeksforgeeks.org\/unified-modeling-language-uml-sequence-diagrams\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3 \u2013 \u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e (UML)<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f5c\u6210\u3059\u308b<\/strong>\n<ul>\n<li>Microsoft Support. (n.d.). <a href=\"https:\/\/support.microsoft.com\/en-us\/office\/create-a-uml-sequence-diagram-c61c371b-b150-4958-b128-902000133b26\">UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f5c\u6210\u3059\u308b<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/strong>\n<ul>\n<li>Visual Paradigm. (n.d.). <a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/sequence-diagram-tutorial\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e (UML) \u56f3<\/strong>\n<ul>\n<li>GeeksforGeeks. (2017\u5e7410\u670827\u65e5). <a href=\"https:\/\/www.geeksforgeeks.org\/unified-modeling-language-uml-introduction\/\">\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e (UML) \u56f3<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u7406\u89e3\uff1a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u76f8\u4e92\u4f5c\u7528\u306e\u8996\u899a\u7684\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8 \u2013 Visual Paradigm \u30ac\u30a4\u30c9<\/strong>\n<ul>\n<li>Visual Paradigm. (2023\u5e749\u670813\u65e5). <a href=\"https:\/\/guides.visual-paradigm.com\/understanding-sequence-diagrams-a-visual-blueprint-of-software-interactions\/\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u7406\u89e3\uff1a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u76f8\u4e92\u4f5c\u7528\u306e\u8996\u899a\u7684\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8 \u2013 Visual Paradigm \u30ac\u30a4\u30c9<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7121\u6599\u306eUML\u30c4\u30fc\u30eb<\/strong>\n<ul>\n<li>Visual Paradigm. (2018\u5e7411\u670828\u65e5). <a href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\">\u7121\u6599\u306eUML\u30c4\u30fc\u30eb<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Visual Paradigm UML\u56f3\u4f5c\u6210\u30ac\u30a4\u30c9 | Restackio<\/strong>\n<ul>\n<li>Restackio. (2024\u5e7412\u670812\u65e5). <a href=\"https:\/\/www.restack.io\/p\/visual-paradigm-uml-answer-ai-project-planning\">Visual Paradigm UML\u56f3\u4f5c\u6210\u30ac\u30a4\u30c9 | Restackio<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Visual Paradigm\u306b\u304a\u3051\u308bUML\u56f3\u306e\u7d39\u4ecb \u2013 ArchiMetric<\/strong>\n<ul>\n<li>ArchiMetric. (2024\u5e748\u670823\u65e5).\u00a0<a href=\"https:\/\/www.archimetric.com\/introduction-to-uml-diagrams-in-visual-paradigm\/\">Visual Paradigm\u306b\u304a\u3051\u308bUML\u56f3\u306e\u7d39\u4ecb \u2013 ArchiMetric<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>UML\/\u30b3\u30fc\u30c9\u751f\u6210\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/strong>\n<ul>\n<li>Visual Paradigm. (2019\u5e746\u67086\u65e5).\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/features\/code-engineering-tools\/\">UML\/\u30b3\u30fc\u30c9\u751f\u6210\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Visual Paradigm\u3067\u5b66\u3076\u30af\u30e9\u30b9\u56f3 \u2013 ArchiMetric<\/strong>\n<ul>\n<li>ArchiMetric. (2024\u5e748\u670823\u65e5).\u00a0<a href=\"https:\/\/www.archimetric.com\/learning-class-diagrams-with-visual-paradigm\/\">Visual Paradigm\u3067\u5b66\u3076\u30af\u30e9\u30b9\u56f3 \u2013 ArchiMetric<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u3044\u3084\u3059\u3044UML\u30c4\u30fc\u30eb<\/strong>\n<ul>\n<li>Visual Paradigm. (n.d.).\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/features\/uml-tool\/\">\u4f7f\u3044\u3084\u3059\u3044UML\u30c4\u30fc\u30eb<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7121\u6599UML\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Visual Paradigm Essential | Udemy<\/strong>\n<ul>\n<li>Udemy. (n.d.).\u00a0<a href=\"https:\/\/www.udemy.com\/course\/visual-paradigm-essential\/\">\u7121\u6599UML\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Visual Paradigm Essential | Udemy<\/a>\u00a0.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A sequence diagram is an interaction diagram that emphasizes the time-ordering of messages. It depicts the objects and classes involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario. Typically, you&#8217;ll use one sequence diagram to specify a use case&#8217;s main flow, and variations of that diagram to specify a use case&#8217;s exceptional flows.<\/p>\n","protected":false},"author":3479,"featured_media":10995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/cdn-images.visual-paradigm.com\/features\/v14\/3\/uml-and-sysml-tools\/sequence-diagram.png","fifu_image_alt":"","footnotes":""},"categories":[127],"tags":[],"class_list":["post-10994","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 v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u304b - ArchiMetric Japanese<\/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.archimetric.com\/ja\/what-is-sequence-diagram\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u304b - ArchiMetric Japanese\" \/>\n<meta property=\"og:description\" content=\"A sequence diagram is an interaction diagram that emphasizes the time-ordering of messages. It depicts the objects and classes involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of the scenario. 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