{"id":1971,"date":"2026-03-11T06:16:22","date_gmt":"2026-03-11T06:16:22","guid":{"rendered":"https:\/\/www.tech-posts.com\/ja\/%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages\/"},"modified":"2026-03-11T06:16:22","modified_gmt":"2026-03-11T06:16:22","slug":"%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/ja\/%f0%9f%93%98-comprehensive-guide-class-diagrams-across-development-stages\/","title":{"rendered":"\ud83d\udcd8 \u7dcf\u5408\u30ac\u30a4\u30c9\uff1a\u958b\u767a\u6bb5\u968e\u3054\u3068\u306e\u30af\u30e9\u30b9\u56f3"},"content":{"rendered":"<h2 dir=\"auto\">\ud83d\udcd8 \u306f\u3058\u3081\u306b\uff1a\u5b64\u7acb\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u63a5\u7d9a\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3078 \u2014 \u30af\u30e9\u30b9\u56f3\u306e\u9032\u5316<\/h2>\n<p dir=\"auto\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306e\u4e16\u754c\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30b9\u56f3\u306f\u5358\u306a\u308b\u9759\u7684\u306a\u56f3\u89e3\u4ee5\u4e0a\u306e\u3082\u306e\u3067\u3042\u308b \u2014 \u305d\u308c\u3089\u306f\u3001\u8868\u73fe\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u5171\u306b\u9032\u5316\u3059\u308b\u751f\u304d\u305f\u8a2d\u8a08\u56f3\u306a\u306e\u3067\u3042\u308b\u3002\u958b\u767a\u306e\u5404\u6bb5\u968e\u3001\u521d\u671f\u8981\u4ef6\u304b\u3089\u30ea\u30ea\u30fc\u30b9\u5f8c\u306e\u4fdd\u5b88\u307e\u3067\u3001\u30af\u30e9\u30b9\u56f3\u306e\u8a73\u7d30\u5ea6\u3001\u69cb\u9020\u3001\u610f\u56f3\u306f\u5927\u304d\u304f\u5909\u5316\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u4e00\u3064\u306e\u5171\u901a\u3057\u305f\u843d\u3068\u3057\u7a74\u304c\u5e38\u306b\u5b58\u5728\u3059\u308b\uff1a<strong>\u5b64\u7acb\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/strong>.<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">\u4e00\u822c\u7684\u306a\u6c7a\u6e08\u30d7\u30ed\u30bb\u30c3\u30b5\u30af\u30e9\u30b9\u3092\u8003\u3048\u3066\u307f\u3088\u3046 \u2014 <code class=\"codespan cursor-pointer\">CreditCardProcessor<\/code>, <code class=\"codespan cursor-pointer\">PayPalProcessor<\/code>\u3001\u304a\u3088\u3073<code class=\"codespan cursor-pointer\">StripeProcessor<\/code> \u2014 \u3053\u308c\u3089\u306f\u30af\u30e9\u30b9\u56f3\u306b\u304a\u3044\u3066\u3001\u72ec\u7acb\u3057\u305f\u65ad\u7247\u7684\u306a\u5b58\u5728\u3068\u3057\u3066\u63cf\u304b\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u521d\u671f\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3053\u308c\u3067\u5341\u5206\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u3053\u308c\u306b\u306f\u3088\u308a\u6df1\u3044\u554f\u984c\u304c\u96a0\u308c\u3066\u3044\u308b\uff1a<strong>\u7d71\u5408\u306e\u6b20\u5982\u3068\u632f\u308b\u821e\u3044\u306e\u660e\u78ba\u3055\u306e\u6b20\u5982<\/strong>\u3002\u3053\u308c\u3089\u306e\u30af\u30e9\u30b9\u306f\u5b64\u7acb\u3057\u3066\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u9078\u629e\u3084\u8a2d\u5b9a\u3001\u5b9f\u884c\u6642\u67d4\u8edf\u6027\u3092\u78ba\u4fdd\u3059\u308b\u660e\u78ba\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5b58\u5728\u3057\u306a\u3044\u3002\u305d\u306e\u7d50\u679c\u3001\u8a2d\u8a08\u306f\u786c\u76f4\u7684\u306b\u306a\u308a\u3001\u62e1\u5f35\u304c\u96e3\u3057\u304f\u3001\u30c6\u30b9\u30c8\u3082\u56f0\u96e3\u306b\u306a\u308b\u3002<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30af\u30e9\u30b9\u56f3\u304c\u3069\u306e\u3088\u3046\u306b<strong>\u9032\u5316\u3059\u308b\u3079\u304d\u304b<\/strong>\u958b\u767a\u6bb5\u968e\u306b\u5fdc\u3058\u3066 \u2014 \u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u5ff5\u30e2\u30c7\u30eb\u304b\u3089\u8a73\u7d30\u3067\u5b9f\u88c5\u53ef\u80fd\u306a\u8a2d\u8a08\u307e\u3067 \u2014 \u305d\u3057\u3066<strong>\u6226\u7565\u7684\u306a\u63a5\u7d9a<\/strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u6226\u7565\u7684\u306a\u63a5\u7d9a\u304c\u3001\u65ad\u7247\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u7d71\u5408\u7684\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u5909\u3048\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u3002\u5b9f\u969b\u306e\u4f8b\u3068\u3057\u3066\u6c7a\u6e08\u51e6\u7406\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001<strong>\u6226\u7565\u30d1\u30bf\u30fc\u30f3<\/strong>, <strong>\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30d1\u30bf\u30fc\u30f3<\/strong>\u3001\u304a\u3088\u3073<strong>\u4f9d\u5b58\u6027\u306e\u6ce8\u5165<\/strong>\u3053\u308c\u3089\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5b64\u7acb\u3057\u305f\u30af\u30e9\u30b9\u3068\u771f\u306b\u52d5\u7684\u3067\u4fdd\u5b88\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">\u30d7\u30e9\u30f3\u30c8\u30a6\u30e0\u56f3\u3068\u5b9f\u8df5\u7684\u306a\u8a2d\u8a08\u306e\u77e5\u898b\u3092\u901a\u3058\u3066\u3001\u3042\u306a\u305f\u306f\u6b21\u306e\u3088\u3046\u306b\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u308b\uff1a<strong>PlantUML\u56f3<\/strong>\u30d7\u30e9\u30f3\u30c8\u30a6\u30e0\u56f3\u3068\u5b9f\u8df5\u7684\u306a\u8a2d\u8a08\u306e\u77e5\u898b\u3092\u901a\u3058\u3066\u3001\u3042\u306a\u305f\u306f\u6b21\u306e\u3088\u3046\u306b\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u308b\uff1a<\/p>\n<ul dir=\"auto\">\n<li class=\"text-start\">\u9759\u7684\u306a\u30af\u30e9\u30b9\u95a2\u4fc2\u3092\u8d8a\u3048\u308b\u3002<\/li>\n<li class=\"text-start\">\u73fe\u5b9f\u4e16\u754c\u306e\u632f\u308b\u821e\u3044\u3068\u5b9f\u884c\u6642\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u3002<\/li>\n<li class=\"text-start\">\u67d4\u8edf\u6027\u304c\u3042\u308a\u3001\u62e1\u5f35\u53ef\u80fd\u3067\u3001\u9032\u5316\u3057\u3084\u3059\u3044\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3002<\/li>\n<\/ul>\n<div class=\"my-2\"><\/div>\n<p dir=\"auto\">\u6700\u7d42\u7684\u306b\u306f\u3001\u3057\u3063\u304b\u308a\u3064\u306a\u304c\u3063\u305f\u30af\u30e9\u30b9\u56f3\u304c\u5358\u306a\u308b\u6587\u66f8\u5316\u30c4\u30fc\u30eb\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308b\u3060\u308d\u3046\u2014\u2014\u305d\u308c\u306f<strong>\u3042\u306a\u305f\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u3079\u304d\u304b\u3068\u3044\u3046\u30d3\u30b8\u30e7\u30f3\u3067\u3042\u308b<\/strong>.<\/p>\n<p>\u30af\u30e9\u30b9\u56f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30b7\u30b9\u30c6\u30e0\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u5f37\u529b\u306aUML\u30c4\u30fc\u30eb\u306e\u4e00\u3064\u3067\u3042\u308b\u3002\u305d\u306e<strong>\u8a73\u7d30\u5ea6<\/strong>\u306f\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u5927\u304d\u304f\u5909\u5316\u3059\u308b<strong>\u958b\u767a\u6bb5\u968e<\/strong>\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306e<strong>4\u3064\u306e\u91cd\u8981\u306a\u6bb5\u968e<\/strong>\u3092\u9806\u306b\u8aac\u660e\u3057\u3001\u30af\u30e9\u30b9\u56f3\u304c\u305d\u308c\u306b\u5fdc\u3058\u3066\u3069\u306e\u3088\u3046\u306b\u9032\u5316\u3059\u308b\u304b\u3092\u793a\u3059\u3002<\/p>\n<hr\/>\n<h2>\ud83e\udde9 1.\u00a0<strong>\u6bb5\u968e1\uff1a\u8981\u4ef6\u5b9a\u7fa9\u3068\u6982\u5ff5\u8a2d\u8a08\uff08\u521d\u671f\u6bb5\u968e\uff09<\/strong><\/h2>\n<h3>\ud83c\udfaf \u76ee\u7684\uff1a<\/h3>\n<ul>\n<li>\n<p>\u9ad8\u30ec\u30d9\u30eb\u306e\u30c9\u30e1\u30a4\u30f3\u6982\u5ff5\u3092\u6349\u3048\u308b\u3002<\/p>\n<\/li>\n<li>\n<p>\u91cd\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u306e\u95a2\u4fc2\u3092\u7279\u5b9a\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u958b\u767a\u8005\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fc3\u9032\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u7279\u5fb4\uff1a<\/h3>\n<ul>\n<li>\n<p>\u6ce8\u76ee\u70b9\u306f<strong>\u30c9\u30e1\u30a4\u30f3\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<\/strong>\u3068<strong>\u95a2\u4fc2\u6027<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u30e1\u30bd\u30c3\u30c9\u3084\u5c5e\u6027\u306f\u5b58\u5728\u3057\u306a\u3044\uff08\u307e\u305f\u306f\u6700\u5c0f\u9650\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b<strong>\u4e00\u822c\u5316<\/strong>,\u00a0<strong>\u95a2\u9023<\/strong>,\u00a0<strong>\u96c6\u7d04<\/strong>\u3001\u304a\u3088\u3073<strong>\u5408\u6210<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u5b9f\u88c5\u306e\u8a73\u7d30\uff08\u4f8b\uff1a\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u3001\u30c7\u30fc\u30bf\u578b\uff09\u3092\u907f\u3051\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udccc \u4f8b\uff1aE\u30b3\u30de\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\uff08\u6982\u5ff5\u30ec\u30d9\u30eb\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/VLB9QiCm4BqR_0-3BuMMXFhgKqfoRqY_O2fFd04jZZGwXD9_xyX97DBj8gJ7spJIAWb6oSxMrGEiWpSqIaOBQuifmOPnYEXW0M-20q7RmOwEcICvyfBgggxCH5pd9C5HX8-w0dZowAXJJMG_J00vP7j3Fc_ARGnzDlANS8ni5DcGOOVsJlaQ-pambFq6fL1rdJ2zcUJqBNGkshGDB1RGF2-NZyt5guFHeY6zr_byvRGJvzgq0nEy87lbNR7VtLAmFR0lkJu8GUJX813syxXApnsDaL8P9o3afCBtVDB2C9wzDOLy3yNWfz4bl_Xi3wV4HfykHEXvOD4j2pdOAv3Gqdy-K-FYyW8IqISqmi539AEJlHUkzA3_vGi0\"\/><\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\">@startuml\r\n' \u6982\u5ff5\u30af\u30e9\u30b9\u56f3 - \u30b9\u30c6\u30fc\u30b81\uff1a\u8981\u4ef6\r\n\r\nclass Customer {\r\n  +name: String\r\n  +email: String\r\n}\r\n\r\nclass Product {\r\n  +name: String\r\n  +price: Decimal\r\n}\r\n\r\nclass Order {\r\n  +orderDate: Date\r\n  +status: String\r\n}\r\n\r\nCustomer \"1\" -- \"0..*\" Order : \u4f5c\u6210\r\nOrder \"1\" -- \"1..*\" Product : \u542b\u3080\r\nProduct \"1\" -- \"0..*\" Order : \u58f2\u5374\r\n\r\nnote right of Customer\r\n  \u88fd\u54c1\u3092\u8cfc\u5165\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8868\u3059\r\nend note\r\n\r\nnote right of Product\r\n  \u7269\u7406\u7684\u307e\u305f\u306f\u30c7\u30b8\u30bf\u30eb\u306e\u8ca9\u58f2\u5bfe\u8c61\r\nend note\r\n\r\nnote right of Order\r\n  \u53d6\u5f15\u8a18\u9332\r\nend note\r\n\r\n@enduml\r\n<\/code><\/pre>\n<blockquote>\n<p>\u2705\u00a0<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\uff1a\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306b\u63d0\u793a\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u30e2\u30c7\u30eb\u3092\u7cbe\u7dfb\u5316\u3057\u3001\u30d3\u30b8\u30cd\u30b9\u30a2\u30ca\u30ea\u30b9\u30c8\u3068\u691c\u8a3c\u3059\u308b\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83e\uddf1 2.\u00a0<strong>\u30b9\u30c6\u30fc\u30b82\uff1a\u5206\u6790\u3068\u9ad8\u30ec\u30d9\u30eb\u8a2d\u8a08\uff08\u4e2d\u9593\u6bb5\u968e\uff09<\/strong><\/h2>\n<h3>\ud83c\udfaf \u76ee\u7684\uff1a<\/h3>\n<ul>\n<li>\n<p>\u30c9\u30e1\u30a4\u30f3\u30e2\u30c7\u30eb\u3092\u3088\u308a\u69cb\u9020\u7684\u306a\u8a2d\u8a08\u306b\u6d17\u7df4\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c0e\u5165\u3059\u308b\uff1a<strong>\u5c5e\u6027<\/strong>,\u00a0<strong>\u57fa\u672c\u64cd\u4f5c<\/strong>\u3001\u304a\u3088\u3073<strong>\u95a2\u9023<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u8b58\u5225\u3092\u958b\u59cb\u3059\u308b\uff1a<strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>,\u00a0<strong>\u62bd\u8c61\u30af\u30e9\u30b9<\/strong>\u3001\u304a\u3088\u3073<strong>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u7279\u5fb4\uff1a<\/h3>\n<ul>\n<li>\n<p>\u8ffd\u52a0\u3059\u308b\uff1a<strong>\u5c5e\u6027<\/strong>\u00a0\u304a\u3088\u3073\u00a0<strong>\u64cd\u4f5c<\/strong>\u00a0\uff08\u6700\u5c0f\u9650\u306e\u578b\u3092\u4f7f\u7528\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\u00a0<strong>\u62bd\u8c61\u30af\u30e9\u30b9<\/strong>\u00a0\u304a\u3088\u3073\u00a0<strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u5c0e\u5165\u3059\u308b\u00a0<strong>\u591a\u91cd\u6027<\/strong>\u00a0\u304a\u3088\u3073\u00a0<strong>\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u6027<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u4ee5\u4e0b\u306b\u3064\u3044\u3066\u8003\u3048\u59cb\u3081\u308b\u00a0<strong>\u8cac\u4efb<\/strong>\u00a0\u304a\u3088\u3073\u00a0<strong>\u4e00\u8cab\u6027<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udccc \u4f8b\uff1aE\u30b3\u30de\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\uff08\u5206\u6790\u6bb5\u968e\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/fLDDQzmm4BqR_1y6Nv8cE2GzYX3IPWzT27JBzWzCv8ahgWzN6YqifV-zaknrzWjooCKmRzvetdkI7mEZvsXqNLt0DzN_QfzfGngUD8O02uMzHmCjh1bxWiy2lbZKsw12NTNLuqU6yIMmHyaW2_kxxyZ3txg2DE1oiLo8DEcLxVV01J89oDyHJ0euXdtYjKGjeqwCduvHNtvAT9BAe2xT3MhLfMR6lpgd2Mt10suAjd6ggwj_MU4ex2a6TkPDcvpgOtaM3HqYP53f0sdOTSNdPV4YHjFpqaJeYGiMifHd5VY-b0y7YbRUTJ45DmaQnl9zFODNaWxIoFav-Vj7HCkAjmAMbgadNxIeiBJht3wEAWuvmB65naNBy-2v08k39PFP2VvpRbqBqIfUdKZCaQpZ2v_SPTamNqvprq3RGdDxStFLJ8z9mA1HKdfjOxtZtBrnYYm1qbb6PNVCWixiPWvSWATNycJBeJlqpEhfM1m6GXz0sQnL9RF-DGc25MuDsMJMfOE2cvxMzJ3MKtUETdAyVmd5-v6fvlHO0J7G-AUIxT9_-Xy0\"\/><\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\">@startuml\r\n' \u9ad8\u30ec\u30d9\u30eb\u30af\u30e9\u30b9\u56f3 - \u30b9\u30c6\u30fc\u30b82\uff1a\u5206\u6790\r\n\r\n@startuml\r\n' \u9ad8\u30ec\u30d9\u30eb\u30af\u30e9\u30b9\u56f3 - \u30b9\u30c6\u30fc\u30b82\uff1a\u5206\u6790\r\n\r\nabstract class Order {\r\n  - orderID: String\r\n  - orderDate: Date\r\n  - status: String\r\n  +calculateTotal(): Decimal\r\n  +validate(): Boolean\r\n  +save(): void\r\n}\r\n\r\nclass Customer {\r\n  - customerID: String\r\n  - name: String\r\n  - email: String\r\n  +addOrder(order: Order): void\r\n  +getOrders(): List&lt;Order&gt;\r\n}\r\n\r\nclass Product {\r\n  - productID: String\r\n  - name: String\r\n  - price: Decimal\r\n  - stockQuantity: Integer\r\n  +isInStock(): Boolean\r\n  +updateStock(amount: Integer): void\r\n}\r\n\r\nclass OrderItem {\r\n  - quantity: Integer\r\n  - unitPrice: Decimal\r\n  +getSubtotal(): Decimal\r\n}\r\n\r\nCustomer \"1\" -- \"0..*\" Order : \u4f5c\u6210\r\nOrder \"1\" -- \"1..*\" OrderItem : \u542b\u3080\r\nOrderItem \"1\" -- \"1\" Product : \u53c2\u7167\r\nProduct \"1\" -- \"0..*\" OrderItem : \u51fa\u73fe\r\n\r\ninterface PaymentProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nOrder \"1\" -- \"1\" PaymentProcessor : \u4f7f\u7528\r\n\r\n@enduml\r\n<\/code><\/pre>\n<blockquote>\n<p>\u2705\u00a0<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\uff1a\u8a2d\u8a08\u30ec\u30d3\u30e5\u30fc\u3001\u30c1\u30fc\u30e0\u306e\u6574\u5408\u3001\u521d\u671f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6c7a\u5b9a\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udd27 3.\u00a0<strong>\u30b9\u30c6\u30fc\u30b83\uff1a\u8a73\u7d30\u8a2d\u8a08\u304a\u3088\u3073\u5b9f\u88c5\uff08\u5f8c\u671f\u6bb5\u968e\uff09<\/strong><\/h2>\n<h3>\ud83c\udfaf \u76ee\u7684\uff1a<\/h3>\n<ul>\n<li>\n<p>\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u6e96\u5099\u3092\u884c\u3046\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u7fa9\u3059\u308b\u00a0<strong>\u6b63\u78ba\u306a\u5c5e\u6027<\/strong>,\u00a0<strong>\u30e1\u30bd\u30c3\u30c9<\/strong>,\u00a0<strong>\u30c7\u30fc\u30bf\u578b<\/strong>,\u00a0<strong>\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u542b\u3080\u00a0<strong>\u5236\u7d04<\/strong>,\u00a0<strong>\u4f9d\u5b58\u95a2\u4fc2<\/strong>,\u00a0<strong>\u95a2\u9023<\/strong>\u3001\u304a\u3088\u3073\u00a0<strong>\u5408\u6210<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\u00a0<strong>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3<\/strong>\u00a0(\u4f8b: \u30d5\u30a1\u30af\u30c8\u30ea\u3001\u6226\u7565\u3001\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3)\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u7279\u5fb4:<\/h3>\n<ul>\n<li>\n<p>\u5b8c\u5168\u306a\u30e1\u30bd\u30c3\u30c9\u30b7\u30b0\u30cd\u30c1\u30e3\u3068\u623b\u308a\u5024\u306e\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\u00a0<strong>\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50<\/strong>\u00a0(<code data-backticks=\"1\">+<\/code>,\u00a0<code data-backticks=\"1\">-<\/code>,\u00a0<code data-backticks=\"1\">#<\/code>).<\/p>\n<\/li>\n<li>\n<p><strong>\u4f9d\u5b58\u95a2\u4fc2<\/strong>,\u00a0<strong>\u7d99\u627f<\/strong>,\u00a0<strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\u306f\u5b8c\u5168\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u542b\u3080\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<strong>\u5236\u7d04<\/strong>\uff08\u4f8b\uff1a<code data-backticks=\"1\">&lt;&lt;\u5236\u7d04&gt;&gt;<\/code>).<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udccc \u4f8b\uff1aE\u30b3\u30de\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\uff08\u8a73\u7d30\u8a2d\u8a08\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/hLLDRzim3BqRy7yGScctD4MBtOoYo9Ri4630CcItOWTLOXnX-l0aka2nxR-FacmdpWTss2w1-VX4yf6KCW_8FRP6byKLMm9ofK6oXUOXiANYjUU6pTW6UGtiNSLMfj5Wm297vMnPbCNyNmE8H5sq0Pq1ptwM1QC3ehDNoueEUsNhZ5jkO8o0ePHZY4lf8OH3S4hOPo_1NxluMx5alAdOYrCo4Mh0X8LhGZ-fW0_9V4pE5wwLv0WVOx98-E2S1au2Vkyr97ul8AKvhZw1IufJiVYRGMeWjg6hQ9ECx427d9GjGIZ3TQf3S2rQJKU_HbyivD3RLpagaF30Nn8sQ1NS2j1xw5Z42i7qGdwqtAB2LvgTHQZ1PxYr2jTU2HYNG5tSjCzuKjr1XhLtiXNOns-o-VT1DoVPOk-S-FxbN8LJ5LPs4zt7tMYRsAFiuiQr5eU3H_kGz5sKmL_Z7fCQGRlcki5FcsnttY515-72vYmyI8KBxkL_2TUnXmvdyxZ3Hx4oQ01tJew9g0pGaffclxLJuUnMUNDw5Qwebplm2kEAbSLmhnz-pMOqUZ2gDJtOyn7ybfFCiZXfQZfsfZsNg8IkkJwWnGplwLEezEA4Wv8cznD6HoPtjxTl9ztjhLYZSodPxZdtUqww71MZ3j1ZPtjcGWVsPDZoYddOWWTxBkXa65N5TloS_hFKRYbYm2XlGRBGKor8W7K8pAjwXynjSy5nO9lkaNbQWvKqsPjuAauGv0tRx5JJn8z5UXVe0VzM5iHZCLZCCGxQISjXwHOnGnrbpy0UsHqzMl4hE2t78UPaqB_47m00\"\/><\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\">@startuml\r\n' \u8a73\u7d30\u30af\u30e9\u30b9\u56f3 - \u30b9\u30c6\u30fc\u30b83\uff1a\u5b9f\u88c5\r\n\r\n@startuml\r\n' \u8a73\u7d30\u30af\u30e9\u30b9\u56f3 - \u30b9\u30c6\u30fc\u30b83\uff1a\u5b9f\u88c5\r\n\r\nclass Customer {\r\n  - customerID: String\r\n  - name: String\r\n  - email: String\r\n  - address: String\r\n  +addOrder(order: Order): void\r\n  +getOrders(): List&lt;Order&gt;\r\n  +validateEmail(): Boolean\r\n}\r\n\r\nclass Order {\r\n  - orderID: String\r\n  - orderDate: Date\r\n  - status: OrderStatus\r\n  - total: Decimal\r\n  +calculateTotal(): Decimal\r\n  +validate(): Boolean\r\n  +save(): void\r\n  +cancel(): void\r\n}\r\n\r\nclass OrderItem {\r\n  - quantity: Integer\r\n  - unitPrice: Decimal\r\n  +getSubtotal(): Decimal\r\n}\r\n\r\nclass Product {\r\n  - productID: String\r\n  - name: String\r\n  - price: Decimal\r\n  - stockQuantity: Integer\r\n  +isInStock(): Boolean\r\n  +updateStock(amount: Integer): void\r\n  +getPrice(): Decimal\r\n}\r\n\r\nclass PaymentProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass CreditCardProcessor {\r\n  +processPayment(amount: Decimal): Boolean\r\n}\r\n\r\nclass Payment {\r\n  - paymentID: String\r\n  - amount: Decimal\r\n  - method: String\r\n  - timestamp: Date\r\n  +confirm(): Boolean\r\n}\r\n\r\n' \u7d99\u627f\r\nCustomer &lt;|-- PremiumCustomer\r\n\r\n' \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\r\nPaymentProcessor &lt;|-- CreditCardProcessor\r\nPaymentProcessor &lt;|-- PayPalProcessor\r\n\r\n' \u95a2\u9023\r\nCustomer \"1\" -- \"0..*\" Order : \u4f5c\u6210\u3059\u308b\r\nOrder \"1\" -- \"1..*\" OrderItem : \u542b\u3080\r\nOrderItem \"1\" -- \"1\" Product : \u53c2\u7167\u3059\u308b\r\nOrder \"1\" -- \"1\" Payment : \u6301\u3064\r\nPaymentProcessor \"1\" -- \"1\" Payment : \u51e6\u7406\u3059\u308b\r\n\r\n' \u5236\u7d04\r\nnote right of Order\r\n  \u72b6\u614b: [\u4fdd\u7559\u4e2d, \u78ba\u8a8d\u6e08, \u767a\u9001\u6e08, \u30ad\u30e3\u30f3\u30bb\u30eb]\r\nend note\r\n\r\nnote right of Product\r\n  \u5728\u5eab\u306f\u8ca9\u58f2\u306e\u305f\u3081\u306b0\u3088\u308a\u5927\u304d\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\r\nend note\r\n\r\n@enduml\r\n<\/code><\/pre>\n<blockquote>\n<p>\u2705\u00a0<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\uff1a\u958b\u767a\u8005\u3078\u306e\u5f15\u304d\u6e21\u3057\u3001\u30b3\u30fc\u30c9\u751f\u6210\u3001\u8a2d\u8a08\u6587\u66f8\u4f5c\u6210\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udee0\ufe0f 4.\u00a0<strong>\u30b9\u30c6\u30fc\u30b84\uff1a\u4fdd\u5b88\u3068\u9032\u5316\uff08\u30ea\u30ea\u30fc\u30b9\u5f8c\uff09<\/strong><\/h2>\n<h3>\ud83c\udfaf \u76ee\u7684\uff1a<\/h3>\n<ul>\n<li>\n<p>\u30b7\u30b9\u30c6\u30e0\u5185\u306e<strong>\u73fe\u5b9f\u4e16\u754c\u306e\u5909\u66f4\u3092\u53cd\u6620\u3059\u308b<\/strong>\u3092\u53cd\u6620\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3059\u308b<strong>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/strong>,\u00a0<strong>\u975e\u63a8\u5968\u5316<\/strong>,\u00a0<strong>\u65b0\u6a5f\u80fd<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u30b5\u30dd\u30fc\u30c8\u3059\u308b<strong>\u6280\u8853\u7684\u8ca0\u50b5\u306e\u8ffd\u8de1<\/strong>\u3000\u304a\u3088\u3073\u3000<strong>\u30b7\u30b9\u30c6\u30e0\u306e\u7406\u89e3<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udd0d \u7279\u5fb4\uff1a<\/h3>\n<ul>\n<li>\n<p>\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3000<strong>\u975e\u63a8\u5968<\/strong>\u3000\u30af\u30e9\u30b9\/\u30e1\u30bd\u30c3\u30c9\u3002<\/p>\n<\/li>\n<li>\n<p>\u8868\u793a\u3000<strong>\u65b0\u3057\u3044\u30af\u30e9\u30b9<\/strong>,\u00a0<strong>\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u305f\u8981\u7d20<\/strong>,\u00a0<strong>\u524a\u9664\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3000<strong>\u30b9\u30bfereotype<\/strong>\u00a0(<code data-backticks=\"1\">&lt;&lt;\u975e\u63a8\u5968&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;\u30d5\u30a1\u30af\u30c8\u30ea&gt;&gt;<\/code>).<\/p>\n<\/li>\n<li>\n<p>\u3057\u3070\u3057\u3070\u3000<strong>\u7c21\u7565\u5316\u3055\u308c\u308b<\/strong>\u3000\u53ef\u8aad\u6027\u306e\u305f\u3081\u306b\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\ud83d\udccc \u4f8b\uff1aE\u30b3\u30de\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\uff08\u4fdd\u5b88\u6bb5\u968e\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/hLR1Rjim3Bq7o3yGkTHTacAx1a7GBiM00XiMBBqDEwWMasYm9KEIindR_dsKPDcnunO1saDRYQB8zoZorRV6CctBF1kFhk0R7bbU88SDgtAK5hQLiPWlO6irixYlO0gVM6gLhiZ5MjHoF1gFRjyWnXKyI5hlM8hZKPenOsA0ZLOf6gCq_1cF0AP5sDUd2SjLAUq2xZ4LESkk5_1HgGmPHVqN0g-LJ3LQZ0W4cfXYhP4BksQQlp9BWtZ3iZS9HLX5WQ_cVbRfuT96jv25gaLrQWuJMnNetq_8FUNeN_PtzcZlZanax2d3H_8t2Nb-5iOkmxrL0scB-YXI17jW5ag3XbO8fkwEYF2hvgYZguSrXo9cV0P3mErl9cbfhCgHNDVrQWQ2-j3KgBpN0nbMXDDlV0Y3jXywUI4jtJqgmHjkiUVfHzYgL-s6HjW-tCUQ1dFlCOCnHtjGlEjeHOuqSNb1liGtK5To9tIU3BL_pH-Ov84f94RaHIPs0lbrCmhHhKOP2zY7ALcENGlczEwdfYdZFBo2Sh_h-ZQr2jtYRMsN-EsgCm81Qmt7H-fZyKPNWxOIS-eaPajJ9ztwJLqtPLdMgUyqPLbQPdJrqPqvCAUdHvO9JeUTghecOKTlQ-YaJAQO9VrksDB8eNBJOs17Cqoqj6-BCsLRBaLKlnKLOKYMbiiu8iwZhpJTqxvudDqT7FxbSXTMpgapVtG_hDn9qEe34XL7-qJO6v4PnFztFXyOspCYmsvdZ8RTJYKlg85fLSCyJttoOG8KqFqvUvj5Z1J2TmhZvOkrAI3XMA3aADCAXFo9gHLANlVA-N8s5_EvL4ufwqUYTWPIgpRtvKaYQsBcP6DVQWfz5AohOO690ILFSyJJIpdSaIKLp9M1B8t8nEllRsxUJUf9Nq2HqG2OcaYRelLnWXrWMoPazFJMKq1QyJArvAXnHoCeXu8skCdjm4ppgU0cXOQH35BHDuCM-uC5jMl_HsnhVVc-eVAG5CtSBIU-o6UmFOYYS8krbuGC-O_nYFp01NCvka5h22xibrhf9-tmJ6Om2VFXLc449XU4wp-qHrqMXTAMliky7bsI1nm9U4B0tzRrD8TVWZ2M5dB5nQuYxfqMxIAxfGrz4lu7\"\/><\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>@startuml<br \/>\n\u2018 \u6539\u826f\u3055\u308c\u305f\u6c7a\u6e08\u30b7\u30b9\u30c6\u30e0\uff1a\u6226\u7565\u30d1\u30bf\u30fc\u30f3\uff0b\u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>@startuml<br \/>\n\u2018 \u6539\u8a02\u3055\u308c\u305f\u6c7a\u6e08\u30b7\u30b9\u30c6\u30e0\uff1a\u6226\u7565\u30d1\u30bf\u30fc\u30f3\uff0b\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30d1\u30bf\u30fc\u30f3<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<br \/>\nclass PaymentProcessor {<br \/>\n+processPayment(amount: Decimal): Boolean<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u5177\u4f53\u7684\u306a\u6226\u7565<br \/>\nclass CreditCardProcessor {<br \/>\n+processPayment(amount: Decimal): Boolean<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>class PayPalProcessor {<br \/>\n+processPayment(amount: Decimal): Boolean<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>class StripeProcessor {<br \/>\n+processPayment(amount: Decimal): Boolean<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30d1\u30bf\u30fc\u30f3<br \/>\nclass PaymentProcessorFactory {<br \/>\n+createProcessor(type: String): PaymentProcessor<br \/>\n+getAvailableTypes(): List&lt;String&gt;<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u6226\u7565\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30fc\u30d3\u30b9<br \/>\nclass OrderService {<br \/>\n\u2013 processor: PaymentProcessor<br \/>\n+createOrder(customer: Customer, items: List&lt;OrderItem&gt;): Order<br \/>\n+setPaymentProcessor(processor: PaymentProcessor): void<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u6c7a\u6e08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<br \/>\nclass Payment {<br \/>\n\u2013 paymentID: String<br \/>\n\u2013 amount: Decimal<br \/>\n\u2013 method: \u6587\u5b57\u5217<br \/>\n\u2013 \u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7: \u65e5\u4ed8<br \/>\n+confirm(): \u30d6\u30fc\u30eb\u5024<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u30ab\u30b9\u30bf\u30de\u30fc\u3068\u6ce8\u6587\uff08\u7c21\u7565\u5316\u7248\uff09<br \/>\nclass Customer {<br \/>\n\u2013 customerID: \u6587\u5b57\u5217<br \/>\n\u2013 \u540d\u524d: \u6587\u5b57\u5217<br \/>\n\u2013 \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9: \u6587\u5b57\u5217<br \/>\n+addOrder(order: \u6ce8\u6587): \u7a7a<br \/>\n+getOrders(): List&lt;\u6ce8\u6587&gt;<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>class \u6ce8\u6587 {<br \/>\n\u2013 orderID: \u6587\u5b57\u5217<br \/>\n\u2013 \u6ce8\u6587\u65e5: \u65e5\u4ed8<br \/>\n\u2013 \u72b6\u614b: \u6ce8\u6587\u72b6\u614b<br \/>\n\u2013 \u5408\u8a08: \u5c0f\u6570<br \/>\n+calculateTotal(): \u5c0f\u6570<br \/>\n+validate(): \u30d6\u30fc\u30eb\u5024<br \/>\n+save(): \u7a7a<br \/>\n+cancel(): \u7a7a<br \/>\n}<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u660e\u78ba\u5316\u306e\u305f\u3081\u306e\u30b9\u30c6\u30ec\u30aa\u30bf\u30a4\u30d7<br \/>\nPaymentProcessor &lt;&lt;\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9&gt;&gt;<br \/>\n\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;&lt;\u6226\u7565&gt;&gt;<br \/>\nPayPal\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;&lt;\u6226\u7565&gt;&gt;<br \/>\nStripe\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;&lt;\u6226\u7565&gt;&gt;<br \/>\nPaymentProcessorFactory &lt;&lt;\u30d5\u30a1\u30af\u30c8\u30ea&gt;&gt;<br \/>\nOrderService &lt;&lt;\u30b5\u30fc\u30d3\u30b9&gt;&gt;<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u7d99\u627f\uff1a\u6226\u7565\u30d1\u30bf\u30fc\u30f3<br \/>\n\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;|\u2013 \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5<br \/>\nPayPal\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;|\u2013 \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5<br \/>\nStripe\u30d7\u30ed\u30bb\u30c3\u30b5 &lt;|\u2013 \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u30d5\u30a1\u30af\u30c8\u30ea\u306f\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f5c\u6210\u3059\u308b<br \/>\n\u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5\u30d5\u30a1\u30af\u30c8\u30ea \u201c1\u201d \u2014 \u201c1\u201d \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5 : \u4f5c\u6210<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u306f\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u7528\u3059\u308b\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09<br \/>\n\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9 \u201c1\u201d \u2014 \u201c1\u201d \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5 : \u4f7f\u7528<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u306f\u30d5\u30a1\u30af\u30c8\u30ea\u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u8a2d\u5b9a\u3059\u308b<br \/>\n\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9 \u201c1\u201d \u2014 \u201c1\u201d \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5\u30d5\u30a1\u30af\u30c8\u30ea : \u30d5\u30a1\u30af\u30c8\u30ea\u7d4c\u7531\u3067\u8a2d\u5b9a<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u652f\u6255\u3044\u306f\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u4f9d\u5b58\u3059\u308b<br \/>\n\u652f\u6255\u3044 \u201c1\u201d \u2014 \u201c1\u201d \u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5 : \u4f7f\u7528<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u95a2\u9023<br \/>\n\u9867\u5ba2 \u201c1\u201d \u2014 \u201c0..*\u201d \u6ce8\u6587 : \u767a\u6ce8<br \/>\n\u6ce8\u6587 \u201c1\u201d \u2014 \u201c1..*\u201d \u6ce8\u6587\u9805\u76ee : \u542b\u3080<br \/>\n\u6ce8\u6587\u9805\u76ee \u201c1\u201d \u2014 \u201c1\u201d \u5546\u54c1 : \u53c2\u7167<br \/>\n\u6ce8\u6587 \u201c1\u201d \u2014 \u201c1\u201d \u652f\u6255\u3044 : \u6301\u6709<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u2018 \u5236\u7d04<br \/>\n\u6ce8\u6587\u306e\u53f3\u5074\u306b\u30e1\u30e2<br \/>\n\u30b9\u30c6\u30fc\u30bf\u30b9: [\u4fdd\u7559\u4e2d, \u78ba\u8a8d\u6e08\u307f, \u767a\u9001\u6e08\u307f, \u30ad\u30e3\u30f3\u30bb\u30eb\u6e08\u307f]<br \/>\n\u30e1\u30e2\u7d42\u4e86<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u652f\u6255\u3044\u306e\u53f3\u5074\u306b\u30e1\u30e2<br \/>\n\u65b9\u6cd5: \u300c\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u300d, \u300cPayPal\u300d, \u300cStripe\u300d<br \/>\n\u30e1\u30e2\u7d42\u4e86<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>\u30da\u30a4\u30e1\u30f3\u30c8\u30d7\u30ed\u30bb\u30c3\u30b5\u30d5\u30a1\u30af\u30c8\u30ea\u306e\u53f3\u5074\u306b\u30e1\u30e2<br \/>\n\u5bfe\u5fdc\u30bf\u30a4\u30d7: \u300c\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u300d, \u300cPayPal\u300d, \u300cStripe\u300d<br \/>\n\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u3092\u5909\u66f4\u305b\u305a\u306b\u62e1\u5f35\u53ef\u80fd<br \/>\n\u30e1\u30e2\u7d42\u4e86<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\"><\/code><\/pre>\n<p>@enduml<\/p>\n<pre class=\"lang-plantuml\"><code data-language=\"plantuml\">\r\n<\/code><\/pre>\n<blockquote>\n<p>\u2705\u00a0<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>: \u65b0\u898f\u958b\u767a\u8005\u306e\u30aa\u30f3\u30dc\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u518d\u69cb\u7bc9\u3001\u76e3\u67fb\u30c8\u30ec\u30fc\u30b9\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udd04 \u6982\u8981: \u30af\u30e9\u30b9\u56f3\u306e\u9032\u5316<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u6bb5\u968e<\/th>\n<th>\u7126\u70b9<\/th>\n<th>\u8a73\u7d30\u30ec\u30d9\u30eb<\/th>\n<th>\u4e3b\u8981\u306a\u8981\u7d20<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. \u8981\u4ef6<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u6982\u5ff5<\/td>\n<td>\u9ad8\u30ec\u30d9\u30eb<\/td>\n<td>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u95a2\u9023<\/td>\n<\/tr>\n<tr>\n<td>2. \u5206\u6790<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u69cb\u9020<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<td>\u5c5e\u6027\u3001\u64cd\u4f5c\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/td>\n<\/tr>\n<tr>\n<td>3. \u5b9f\u88c5<\/td>\n<td>\u30b3\u30fc\u30c9\u6e96\u5099\u5b8c\u4e86<\/td>\n<td>\u9ad8<\/td>\n<td>\u578b\u3001\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u3001\u30d1\u30bf\u30fc\u30f3<\/td>\n<\/tr>\n<tr>\n<td>4. \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306e\u9032\u5316<\/td>\n<td>\u9069\u5fdc\u7684<\/td>\n<td>\u30b9\u30c6\u30ec\u30aa\u30bf\u30a4\u30d7\u3001\u975e\u63a8\u5968\u3001\u7c21\u7565\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>\ud83d\udee0\ufe0f PlantUML\u306e\u4f7f\u7528\u306b\u95a2\u3059\u308b\u30d2\u30f3\u30c8<\/h2>\n<ul>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\uff1a<code data-backticks=\"1\">@startuml<\/code>\u3068<code data-backticks=\"1\">@enduml<\/code>\u56f3\u3092\u56f2\u3080\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\uff1a<code data-backticks=\"1\">&lt;&lt;\u30b9\u30c6\u30ec\u30aa\u30bf\u30a4\u30d7&gt;&gt;<\/code>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3084\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u305f\u3081\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\uff1a<code data-backticks=\"1\">\u53f3\u5074\u306b\u30e1\u30e2\uff1a<\/code>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u305f\u3081\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\uff1a<code data-backticks=\"1\">+<\/code>,\u00a0<code data-backticks=\"1\">-<\/code>,\u00a0<code data-backticks=\"1\">#<\/code>\u53ef\u8996\u6027\u306e\u305f\u3081\uff08<code data-backticks=\"1\">\u30d1\u30d6\u30ea\u30c3\u30af<\/code>,\u00a0<code data-backticks=\"1\">\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8<\/code>,\u00a0<code data-backticks=\"1\">\u30d7\u30ed\u30c6\u30af\u30c8<\/code>).<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u3059\u308b\uff1a<code data-backticks=\"1\">&lt;&lt;\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;\u62bd\u8c61&gt;&gt;<\/code>,\u00a0<code data-backticks=\"1\">&lt;&lt;\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3&gt;&gt;<\/code>\u660e\u78ba\u3055\u306e\u305f\u3081\u3002<\/p>\n<\/li>\n<li>\n<p>\u753b\u50cf\u306f\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u751f\u6210\u3059\u308b\uff1a<a href=\"https:\/\/www.plantuml.com\/plantuml\/\">PlantUML Online<\/a>\u307e\u305f\u306fIDE\u30d7\u30e9\u30b0\u30a4\u30f3\uff08VS Code\u3001IntelliJ\uff09\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2>\ud83d\udcda \u6700\u5f8c\u306e\u8003\u3048<\/h2>\n<p>\u30af\u30e9\u30b9\u56f3\u306f<strong>\u9759\u7684\u3067\u306f\u306a\u3044<\/strong>\u2014 \u305d\u308c\u3089\u306f<strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u5171\u306b\u9032\u5316\u3059\u308b<\/strong>\u3002\u6226\u7565\u7684\u306b\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u521d\u671f<\/strong>\uff1a\u6280\u8853\u7684\u3067\u306a\u3044\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u9023\u643a\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e2d\u76e4<\/strong>\uff1a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3064\u3044\u3066\u958b\u767a\u8005\u3092\u4e00\u8cab\u3055\u305b\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f8c\u671f<\/strong>\uff1a\u5b9f\u88c5\u3068\u30b3\u30fc\u30c9\u54c1\u8cea\u3092\u6307\u5c0e\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ea\u30ea\u30fc\u30b9\u5f8c<\/strong>\uff1a\u30b7\u30b9\u30c6\u30e0\u306e\u77e5\u8b58\u3092\u7dad\u6301\u3059\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u2705\u00a0<strong>\u30d7\u30ed\u306e\u30d2\u30f3\u30c8<\/strong>\uff1aPlantUML\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30fc\u30c9\u3068\u4e00\u7dd2\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3057\u3066\u304f\u3060\u3055\u3044\u2014\u2014\u305d\u308c\u306f\u751f\u304d\u3066\u3044\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3059\uff01<\/p>\n<\/blockquote>\n<hr\/>\n<h2 dir=\"auto\">\u2705 \u7d50\u8ad6\uff1a\u30af\u30e9\u30b9\u3060\u3051\u3067\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068<\/h2>\n<p dir=\"auto\">\u30af\u30e9\u30b9\u56f3\u306f\u5358\u306a\u308b\u56f3\u9762\u4ee5\u4e0a\u306e\u3082\u306e\u2014\u2014\u305d\u308c\u3089\u306f<strong>\u610f\u56f3\u306e\u5730\u56f3<\/strong>, <strong>\u5354\u50cd\u306e\u8a2d\u8a08\u56f3<\/strong>\u3001\u305d\u3057\u3066<strong>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u9032\u5316\u3092\u8a18\u9332\u3059\u308b\u751f\u304d\u3066\u3044\u308b\u8a18\u9332<\/strong>\u3002\u79c1\u305f\u3061\u304c\u898b\u305f\u3088\u3046\u306b\u3001\u305d\u308c\u3089\u306e\u4fa1\u5024\u306f\u521d\u671f\u306e\u5f62\u306b\u3042\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u3069\u306e\u3088\u3046\u306b<strong>\u9069\u5fdc\u3059\u308b\u304b<\/strong>\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u3067\u2014\u2014\u8981\u4ef6\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u62bd\u8c61\u304b\u3089\u3001\u5f8c\u671f\u8a2d\u8a08\u306e\u5b9f\u88c5\u6e96\u5099\u5b8c\u4e86\u306e\u7cbe\u5bc6\u306a\u30e2\u30c7\u30eb\u307e\u3067<\/p>\n<p dir=\"auto\">\u72ec\u7acb\u3057\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u30af\u30e9\u30b9\u304b\u3089\u63a5\u7d9a\u3055\u308c\u3001\u6226\u7565\u306b\u57fa\u3065\u304f\u30b7\u30b9\u30c6\u30e0\u3078\u3068\u81f3\u308b\u9053\u306e\u308a\u306f\u3001\u6839\u672c\u7684\u306a\u771f\u5b9f\u3092\u793a\u3057\u3066\u3044\u308b\uff1a<strong>\u826f\u3044\u8a2d\u8a08\u3068\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3060\u3051\u3067\u306f\u306a\u3044\u2014\u2014\u305d\u308c\u3089\u304c\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3059\u308b\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3042\u308b<\/strong>\u3002\u3044\u3064<code class=\"codespan cursor-pointer\">CreditCardProcessor<\/code>, <code class=\"codespan cursor-pointer\">PayPalProcessor<\/code>\u3001\u304a\u3088\u3073<code class=\"codespan cursor-pointer\">StripeProcessor<\/code>\u306f\u76f8\u4e92\u306b\u7f6e\u304d\u63db\u3048\u53ef\u80fd\u306a\u6226\u7565\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u2014\u2014\u30d5\u30a1\u30af\u30c8\u30ea\u306b\u3088\u3063\u3066\u8abf\u6574\u3055\u308c\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u6ce8\u5165\u3055\u308c\u308b\u2014\u2014\u305d\u306e\u7d50\u679c\u3001\u56f3\u306f\u9759\u7684\u306a\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3067\u306f\u306a\u304f\u306a\u308b\u3002\u305d\u308c\u306f<strong>\u67d4\u8edf\u6027\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30e2\u30c7\u30eb<\/strong>\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u4fdd\u5b88\u6027\u306e<\/p>\n<p dir=\"auto\">\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067<strong>\u6226\u7565<\/strong>, <strong>\u30d5\u30a1\u30af\u30c8\u30ea<\/strong>\u3001\u304a\u3088\u3073<strong>\u4f9d\u5b58\u95a2\u4fc2\u306e\u6ce8\u5165<\/strong>\u3001\u79c1\u305f\u3061\u306f\u5b64\u7acb\u3057\u305f\u30af\u30e9\u30b9\u3092\u4e00\u8cab\u6027\u304c\u3042\u308a\u62e1\u5f35\u53ef\u80fd\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u5909\u63db\u3059\u308b\u3002\u3053\u308c\u306f\u3088\u308a\u826f\u3044\u56f3\u3092\u63cf\u304f\u3053\u3068\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u3088\u308a\u826f\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u30c1\u30fc\u30e0\u306f\u4ee5\u4e0b\u3092\u5b9f\u73fe\u3067\u304d\u308b\uff1a<\/p>\n<ul dir=\"auto\">\n<li class=\"text-start\">\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u305b\u305a\u306b\u65b0\u3057\u3044\u6c7a\u6e08\u65b9\u6cd5\u3092\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/li>\n<li class=\"text-start\">\u632f\u308b\u821e\u3044\u3092\u72ec\u7acb\u3057\u3066\u30c6\u30b9\u30c8\u3067\u304d\u308b\u3002<\/li>\n<li class=\"text-start\">\u30ea\u30ea\u30fc\u30b9\u5f8c\u4f55\u5e74\u7d4c\u3063\u3066\u3082\u3001\u81ea\u4fe1\u3092\u6301\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u3092\u9032\u5316\u3055\u305b\u3089\u308c\u308b\u3002<\/li>\n<\/ul>\n<p dir=\"auto\">\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u6700\u3082\u5f37\u529b\u306a\u30af\u30e9\u30b9\u56f3\u306f\u3001\u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u8a73\u7d30\u306b\u793a\u3059\u3082\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u7269\u8a9e\u3092\u8a9e\u308b<\/strong>\u2014\u2014\u5354\u50cd\u3001\u9069\u5fdc\u6027\u3001\u305d\u3057\u3066\u5148\u898b\u7684\u306a\u8a2d\u8a08\u306e\u7269\u8a9e\u3092\u8a9e\u308b<\/p>\n<p dir=\"auto\">\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306b\u30af\u30e9\u30b9\u56f3\u3092\u63cf\u304f\u969b\u306b\u306f\u3001\u81ea\u5206\u81ea\u8eab\u306b\u554f\u3044\u304b\u3051\u3066\u307f\u3088\u3046\uff1a<\/p>\n<blockquote dir=\"auto\">\n<p dir=\"auto\"><em>\u79c1\u306e\u30af\u30e9\u30b9\u306f\u5358\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u306e\u304b\uff1f<\/em><br \/>\n<em>\u305d\u308c\u3089\u306f\u5b64\u7acb\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u6210\u9577\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u306a\u306e\u304b\uff1f<\/em><\/p>\n<\/blockquote>\n<p dir=\"auto\">\u306a\u305c\u306a\u3089\u6700\u7d42\u7684\u306b\u3001\u6700\u9ad8\u306e\u30af\u30e9\u30b9\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u5358\u306b\u8aac\u660e\u3059\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001<strong>\u3069\u3046\u306a\u308b\u3079\u304d\u304b\u3092\u60f3\u8d77\u3055\u305b\u308b<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udcd8 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