{"id":4089,"date":"2026-04-06T06:04:07","date_gmt":"2026-04-05T22:04:07","guid":{"rendered":"https:\/\/www.go2posts.com\/ja\/uml-communication-diagram-symbols-explained\/"},"modified":"2026-04-06T06:04:07","modified_gmt":"2026-04-05T22:04:07","slug":"uml-communication-diagram-symbols-explained","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/ja\/uml-communication-diagram-symbols-explained\/","title":{"rendered":"\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5206\u89e3\uff1aUML \u901a\u4fe1\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u3059\u3079\u3066\u306e\u30b7\u30f3\u30dc\u30eb\u306e\u89e3\u8aac"},"content":{"rendered":"<p>UML 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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Kawaii cute vector infographic explaining UML communication diagram symbols: object instances as labeled rectangles, links as connecting lines, synchronous and asynchronous message arrows with sequence numbers, multiplicity indicators like 1..*, interaction frames for loops and conditions, plus best practice tips - all in pastel colors with rounded shapes for intuitive learning of object-oriented system interactions\" decoding=\"async\" src=\"https:\/\/www.go2posts.com\/wp-content\/uploads\/2026\/04\/uml-communication-diagram-symbols-kawaii-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfd7\ufe0f 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Customer<\/em>).<\/li>\n<li><strong>\u66f8\u5f0f\uff1a<\/strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d\u306f\u3001\u30af\u30e9\u30b9\u540d\u3068\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u901a\u5e38\u4e0b\u7dda\u304c\u5f15\u304b\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u591a\u91cd\u5ea6\uff1a<\/strong>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8868\u3059\u5834\u5408\u3001\u591a\u91cd\u5ea6\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e9\u30d9\u30eb\u306e\u8fd1\u304f\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30ce\u30fc\u30c9\u306f\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7d42\u70b9\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u306a\u3051\u308c\u3070\u3001\u901a\u4fe1\u306e\u6587\u8108\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u3092\u63cf\u753b\u3059\u308b\u969b\u306f\u3001\u66d6\u6627\u3055\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u7bc4\u56f2\u5185\u3067\u540d\u524d\u304c\u4e00\u610f\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. 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\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9577\u65b9\u5f62\u3092\u7d50\u3076\u5b9f\u7dda\u306e\u76f4\u7dda\u3002<\/li>\n<li><strong>\u65b9\u5411\u6027\uff1a<\/strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30ea\u30f3\u30af\u306f\u53cc\u65b9\u5411\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u7279\u5b9a\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u53ef\u80fd\u6027\u306f\u7dda\u4e0a\u306e\u77e2\u5370\u982d\u90e8\u3067\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u5f79\u5272\u540d\uff1a<\/strong>\u30ea\u30f3\u30af\u306e\u8fd1\u304f\u306b\u914d\u7f6e\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u63a5\u7d9a\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u679c\u305f\u3059\u5f79\u5272\u3092\u8aac\u660e\u3057\u307e\u3059\uff08\u4f8b\uff1a&#8221;<em>manager<\/em>, <em>client<\/em>).<\/li>\n<\/ul>\n<p>\u91cd\u8981\u306a\u70b9\u3068\u3057\u3066\u3001\u30ea\u30f3\u30af\u306f\u30b7\u30ca\u30ea\u30aa\u306e\u5b9f\u884c\u4e2d\u306b\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30ea\u30f3\u30af\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3088\u3063\u3066\u793a\u3055\u308c\u308b\u52d5\u7684\u306a\u632f\u308b\u821e\u3044\u3092\u53ef\u80fd\u306b\u3059\u308b\u9759\u7684\u306a\u69cb\u9020\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30b7\u30f3\u30dc\u30eb<\/th>\n<th>\u8996\u899a\u7684\u8868\u73fe<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/td>\n<td>\u30c6\u30ad\u30b9\u30c8\u4ed8\u304d\u306e\u77e9\u5f62<\/td>\n<td>\u76f8\u4e92\u4f5c\u7528\u306b\u53c2\u52a0\u3059\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u30ea\u30f3\u30af<\/td>\n<td>\u5b9f\u7dda<\/td>\n<td>\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3059\u308b\u69cb\u9020\u7684\u306a\u63a5\u7d9a<\/td>\n<\/tr>\n<tr>\n<td>\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u77e2\u5370<\/td>\n<td>\u7dda\u4e0a\u306e\u7a7a\u306e\u77e2\u5370\u982d<\/td>\n<td>\u95a2\u9023\u306e\u8d70\u67fb\u65b9\u5411\u3092\u793a\u3059<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u91cd\u5ea6<\/td>\n<td>1..*\u30010..1 \u306a\u3069\u306e\u6570\u5024<\/td>\n<td>\u63a5\u7d9a\u3067\u304d\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u6570\u3092\u5b9a\u7fa9\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udce9 \u30e1\u30c3\u30bb\u30fc\u30b8\u30b7\u30f3\u30dc\u30eb\u3068\u30d5\u30ed\u30fc<\/h2>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u901a\u4fe1\u56f3\u306e\u5fc3\u81d3\u90e8\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u5236\u5fa1\u3068\u30c7\u30fc\u30bf\u306e\u30d5\u30ed\u30fc\u3092\u793a\u3057\u307e\u3059\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u308c\u3089\u306f\u5782\u76f4\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u4e0a\u306b\u914d\u7f6e\u3055\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u63a5\u7d9a\u3059\u308b\u30ea\u30f3\u30af\u306b\u6cbf\u3063\u3066\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>3. \u30e1\u30c3\u30bb\u30fc\u30b8\u77e2\u5370<\/h3>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f 2 \u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7d50\u3076\u77e2\u5370\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u77e2\u5370\u306f\u9001\u4fe1\u8005\u304b\u3089\u53d7\u4fe1\u8005\u3078\u5411\u304b\u3044\u307e\u3059\u3002\u77e2\u5370\u982d\u306e\u30b9\u30bf\u30a4\u30eb\u306f\u901a\u4fe1\u306e\u7a2e\u985e\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u5b9f\u7dda\u306e\u77e2\u5370\u982d\uff1a<\/strong>\u540c\u671f\u547c\u3073\u51fa\u3057\u3092\u8868\u3057\u307e\u3059\u3002\u9001\u4fe1\u8005\u306f\u3001\u53d7\u4fe1\u8005\u304c\u64cd\u4f5c\u3092\u5b8c\u4e86\u3059\u308b\u307e\u3067\u5f85\u6a5f\u3057\u3066\u304b\u3089\u7d9a\u884c\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7834\u7dda\u306e\u77e2\u5370\u982d\uff1a<\/strong>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u3057\u307e\u3059\u3002\u9001\u4fe1\u8005\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u305f\u5f8c\u3001\u5f85\u6a5f\u305b\u305a\u306b\u3059\u3050\u306b\u7d9a\u884c\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5857\u308a\u3064\u3076\u3057\u306e\u77e2\u5370\u982d\uff1a<\/strong>\u8fd4\u5374\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u793a\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u660e\u78ba\u3055\u306e\u305f\u3081\u8fd4\u5374\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u7701\u7565\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u77e2\u5370\u306e\u30e9\u30d9\u30eb\u306b\u306f\u3001\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u64cd\u4f5c\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u62ec\u5f27\u5185\u306b\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<em>calculateTotal(price, tax)<\/em>.<\/p>\n<h3>4. \u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7<\/h3>\n<p>\u56f3\u304c\u6642\u9593\u9806\u306b\u7e26\u306b\u4e26\u3079\u3089\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u767a\u751f\u3059\u308b\u9806\u5e8f\u3092\u8aad\u8005\u306b\u4f1d\u3048\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5f62\u5f0f\uff1a<\/strong> \u6570\u5b57\u306e\u5f8c\u306b\u30d4\u30ea\u30aa\u30c9\u3092\u4ed8\u3051\u305f\u3082\u306e\uff08\u4f8b\uff1a&#8221;<em>1<\/em>, <em>1.1<\/em>, <em>2<\/em>).<\/li>\n<li><strong>\u30eb\u30fc\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\uff1a<\/strong> \u958b\u59cb\u306f <em>1<\/em>.<\/li>\n<li><strong>\u518d\u5e30\u30e1\u30c3\u30bb\u30fc\u30b8\uff1a<\/strong>\u3042\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6700\u521d\u306e\u547c\u3073\u51fa\u3057\u5185\u306b\u30cd\u30b9\u30c8\u3055\u308c\u305f\u5225\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5c0f\u6570\u70b9\u4ed8\u304d\u756a\u53f7\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a&#8221;<em>1.1<\/em>, <em>1.2<\/em>.<\/li>\n<li><strong>\u4e26\u5217\u30e1\u30c3\u30bb\u30fc\u30b8\uff1a<\/strong>\u540c\u6642\u306b\u767a\u751f\u3059\u308b\u304c\u30cd\u30b9\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u9806\u6b21\u756a\u53f7\u3092\u632f\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff08\u4f8b\uff1a&#8221;<em>2<\/em>, <em>3<\/em>).<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u756a\u53f7\u306b\u3088\u308a\u3001\u8aad\u8005\u306f\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u518d\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u77e2\u5370\u306e\u8fd1\u304f\u3001\u901a\u5e38\u306f\u77e2\u5370\u7dda\u306e\u59cb\u70b9\u307e\u305f\u306f\u7d42\u70b9\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>5. \u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u7d50\u679c\u304c\u547c\u3073\u51fa\u3057\u5143\u306b\u8fd4\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u901a\u4fe1\u56f3\u3067\u306f\u3001\u3053\u308c\u3089\u306f\u4efb\u610f\u3067\u3059\u3002\u542b\u3081\u308b\u5834\u5408\u3001\u901a\u5e38\u306f\u9001\u4fe1\u8005\u3078\u5411\u304b\u3046\u70b9\u7dda\u306e\u77e2\u5370\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u7279\u5b9a\u306e\u623b\u308a\u5024\u304c\u91cd\u8981\u3067\u306a\u3044\u9650\u308a\u3001\u901a\u5e38\u306f\u30e9\u30d9\u30eb\u306f\u4ed8\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u3067\u3001\u5236\u5fa1\u306e\u6d41\u308c\u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u304b\u3089\u63a8\u6e2c\u3067\u304d\u308b\u305f\u3081\u3001\u56f3\u304c\u3088\u308a\u7c21\u6f54\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd22 \u591a\u91cd\u5ea6\u3068\u5236\u7d04<\/h2>\n<p>\u901a\u4fe1\u56f3\u3067\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u96c6\u5408\u3092\u6271\u3044\u307e\u3059\u3002\u591a\u91cd\u5ea6\u8a18\u53f7\u306f\u3001\u30ea\u30f3\u30af\u306b\u95a2\u4e0e\u3059\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u6570\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5358\u4e00\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9:<\/strong> \u8a18\u53f7\u306a\u3057\u3001\u307e\u305f\u306f <em>1<\/em>.<\/li>\n<li><strong>\u591a\u6570\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9:<\/strong> \u30a2\u30b9\u30bf\u30ea\u30b9\u30af <em>*<\/em> \u307e\u305f\u306f <em>0..*<\/em> \u306f\u30bc\u30ed\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7279\u5b9a\u306e\u7bc4\u56f2:<\/strong> <em>2..5<\/em> \u306f\u7279\u5b9a\u306e\u500b\u6570\u7bc4\u56f2\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u914d\u7f6e:<\/strong> \u591a\u91cd\u6027\u306f\u3001\u30ea\u30f3\u30af\u306e\u7aef\u306b\u914d\u7f6e\u3055\u308c\u3001\u8a18\u8ff0\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u96a3\u306b\u7f6e\u304b\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304c\u8907\u6570\u306e\u5f93\u696d\u54e1\u3092\u76e3\u7763\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u969b\u3001\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u5f93\u696d\u54e1\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u30ea\u30f3\u30af\u306b\u306f\u3001<em>1<\/em> \u304c\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u5074\u306b\u3001<em>0..*<\/em> \u304c\u5f93\u696d\u54e1\u5074\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u7684\u5bb9\u91cf\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd04 \u8907\u96d1\u306a\u69cb\u9020<\/h2>\n<p>\u6a19\u6e96\u7684\u306a\u901a\u4fe1\u56f3\u306f\u7dda\u5f62\u30d5\u30ed\u30fc\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u304c\u3001UML\u3067\u306f\u3088\u308a\u8907\u96d1\u306a\u30e2\u30c7\u30eb\u5316\u69cb\u6587\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u5185\u306e\u6761\u4ef6\u4ed8\u304d\u30ed\u30b8\u30c3\u30af\u3084\u30eb\u30fc\u30d7\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>6. \u76f8\u4e92\u4f5c\u7528\u30d5\u30ec\u30fc\u30e0\uff08\u30eb\u30fc\u30d7\u3068Alt\uff09<\/h3>\n<p>\u7d14\u7c8b\u306a\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u56f3\u3067\u306f\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d5\u30ec\u30fc\u30e0\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3089\u306f\u3001\u95a2\u9023\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u56f2\u3080\u5927\u304d\u306a\u56db\u89d2\u5f62\u3068\u3057\u3066\u63cf\u753b\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30eb\u30fc\u30d7\u30d5\u30ec\u30fc\u30e0:<\/strong> \u56f2\u307e\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<em>loop<\/em> \u307e\u305f\u306f <em>while (condition)<\/em> \u3068\u3044\u3046\u30e9\u30d9\u30eb\u304c\u30d5\u30ec\u30fc\u30e0\u306e\u4e0a\u90e8\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>Alt \u30d5\u30ec\u30fc\u30e0:<\/strong> \u4ee3\u66ff\u30d1\u30b9\uff08if\/else\uff09\u3092\u8868\u3057\u307e\u3059\u3002\u6c34\u5e73\u7dda\u3067\u533a\u5207\u3089\u308c\u305f\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001\u89d2\u62ec\u5f27\u3067\u56f2\u307e\u308c\u305f\u30ac\u30fc\u30c9\u6761\u4ef6\uff08\u4f8b\uff1a&#8221;\uff09\u3067\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u307e\u3059\u3002<em>[\u6709\u52b9]<\/em> \u307e\u305f\u306f &#8220;<em>[\u7121\u52b9]<\/em>.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u8907\u96d1\u3055\u3092\u7ba1\u7406\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4f7f\u3044\u3059\u304e\u308b\u3068\u56f3\u304c\u8aad\u307f\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u304c\u5927\u5e45\u306b\u5206\u5c90\u3059\u308b\u5834\u5408\u306e\u307f\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\ud83e\udded \u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u8cac\u4efb<\/h2>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4e92\u3044\u3092\u898b\u3064\u3051\u5408\u3046\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u56f3\u306e\u30ed\u30b8\u30c3\u30af\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001\u30ea\u30f3\u30af\u77e2\u5370\u306e\u65b9\u5411\u306b\u3088\u3063\u3066\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u65b9\u5411:<\/strong> \u77e2\u5370\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 A \u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 B \u3092\u6307\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 A \u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 B \u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 B \u304c\u5fc5\u305a\u3057\u3082\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 A \u3092\u77e5\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u53cc\u65b9\u5411:<\/strong> \u77e2\u5370\u306e\u306a\u3044\u5b9f\u7dda\u306f\u3001\u4e21\u65b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4e92\u3044\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u5506\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u533a\u5225\u306f\u7d50\u5408\u3092\u7de9\u304f\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u56f3\u306b&#8221;\u304b\u3089&#8221;\u3078\u306e\u76f4\u63a5\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001<em>Order<\/em>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089&#8221;\u3078\u306e<em>Database<\/em>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u5f37\u3044\u7d50\u5408\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3088\u308a\u826f\u3044\u8a2d\u8a08\u3067\u306f\u3001&#8221;\u3092\u7d4c\u7531\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<em>OrderService<\/em>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u30ea\u30f3\u30af\u306e\u8996\u899a\u7684\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u3001\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u4e0a\u306e\u6c7a\u5b9a\u3092\u53cd\u6620\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<h2>\ud83c\udd9a \u6bd4\u8f03\uff1a\u901a\u4fe1\u56f3 vs. \u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/h2>\n<p>\u8a18\u53f7\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u305d\u308c\u3089\u304c\u4f55\u3067\u306a\u3044\u304b\u3092\u77e5\u308b\u3053\u3068\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002&#8221; <em>\u3067\u306a\u3044<\/em>\u3002\u901a\u4fe1\u56f3\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u6bd4\u8f03\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u901a\u4fe1\u56f3<\/th>\n<th>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7126\u70b9<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u95a2\u4fc2<\/td>\n<td>\u6642\u9593\u3068\u9806\u5e8f<\/td>\n<\/tr>\n<tr>\n<td>\u30ec\u30a4\u30a2\u30a6\u30c8<\/td>\n<td>\u69cb\u9020\u7684\/\u5e7e\u4f55\u5b66\u7684<\/td>\n<td>\u5782\u76f4\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u9593<\/td>\n<td>\u6697\u9ed9\u7684\uff08\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u7d4c\u7531\uff09<\/td>\n<td>\u660e\u793a\u7684\uff08\u5782\u76f4\u4f4d\u7f6e\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc<\/td>\n<td>\u4f7f\u7528\u3057\u306a\u3044<\/td>\n<td>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u5b9f\u884c\u3092\u793a\u3059\u305f\u3081\u306b\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u9069\u306a\u7528\u9014<\/td>\n<td>\u8907\u96d1\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3<\/td>\n<td>\u8a73\u7d30\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u5206\u6790<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u901a\u4fe1\u56f3\u306e\u30b7\u30f3\u30dc\u30eb\u30bb\u30c3\u30c8\u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u30bb\u30c3\u30c8\u306e\u90e8\u5206\u96c6\u5408\u3067\u3059\u3002\u5782\u76f4\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3084\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a7a\u9593\u7684\u914d\u7f6e\u3068\u30ea\u30f3\u30af\u30e9\u30a4\u30f3\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udee0\ufe0f \u660e\u78ba\u3055\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p>\u30b7\u30f3\u30dc\u30eb\u3092\u6b63\u3057\u304f\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u4e00\u3064\u306e\u3053\u3068\u3067\u3059\u304c\u3001\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u5225\u306e\u3053\u3068\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u56f3\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u8aad\u307f\u3084\u3059\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<h3>7. \u30ec\u30a4\u30a2\u30a6\u30c8\u6226\u7565<\/h3>\n<ul>\n<li><strong>\u4e2d\u592e\u914d\u7f6e:<\/strong>\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u307e\u305f\u306f\u958b\u59cb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4e2d\u592e\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b0\u30eb\u30fc\u30d7\u5316:<\/strong>\u95a2\u9023\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd1\u304f\u306b\u914d\u7f6e\u3057\u3066\u3001\u7dda\u306e\u4ea4\u5dee\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li>\n<li><strong>\u30d5\u30ed\u30fc:<\/strong>\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5de6\u304b\u3089\u53f3\u3001\u307e\u305f\u306f\u4e0a\u304b\u3089\u4e0b\u3078\u8ad6\u7406\u7684\u306b\u6d41\u308c\u308b\u3088\u3046\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>8. \u8868\u8a18\u898f\u7d04<\/h3>\n<ul>\n<li><strong>\u4e00\u8cab\u3057\u305f\u547d\u540d:<\/strong>\u56f3\u5168\u4f53\u3067\u540c\u3058\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30e1\u30bd\u30c3\u30c9\u540d:<\/strong>\u30b3\u30fc\u30c9\u898f\u7d04\u306b\u5408\u308f\u305b\u3066\u30e1\u30bd\u30c3\u30c9\u540d\u306b\u306f\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u756a\u53f7:<\/strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u304c\u4e00\u610f\u3067\u8ad6\u7406\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>9. \u6df7\u4e71\u306e\u56de\u907f<\/h3>\n<ul>\n<li><strong>\u30ea\u30f3\u30af\u306e\u7c21\u7565\u5316:<\/strong>\u76f8\u4e92\u4f5c\u7528\u306b\u95a2\u4e0e\u3057\u3066\u3044\u306a\u3044\u30ea\u30f3\u30af\u306f\u8868\u793a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u8996\u899a\u7684\u306a\u30ce\u30a4\u30ba\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5236\u9650:<\/strong>\u76f8\u4e92\u4f5c\u7528\u304c\u8907\u96d1\u3059\u304e\u308b\u5834\u5408\u306f\u3001\u8907\u6570\u306e\u56f3\u306b\u5206\u5272\u3057\u3066\u304f\u3060\u3055\u3044\u30021 \u3064\u306e\u56f3\u306f 1 \u3064\u306e\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u30ab\u30d0\u30fc\u3059\u3079\u304d\u3067\u3059\u3002<\/li>\n<li><strong>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u975e\u8868\u793a:<\/strong>\u5fc5\u8981\u3067\u306a\u3044\u9650\u308a\u3001\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u77e2\u5370\u306f\u63cf\u753b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30b9\u30da\u30fc\u30b9\u3092\u7bc0\u7d04\u3057\u3001\u6df7\u4e71\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcdd \u8a73\u7d30\u306a\u8a18\u53f7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<p>\u4ee5\u4e0b\u306e\u30ea\u30b9\u30c8\u306f\u3001\u906d\u9047\u3059\u308b\u7279\u5b9a\u306e\u8996\u899a\u8981\u7d20\u306e\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d:<\/strong>\u56db\u89d2\u5f62\u5185\u306e\u30c6\u30ad\u30b9\u30c8\u3002\u7279\u5b9a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30af\u30e9\u30b9\u540d:<\/strong>\u30b3\u30ed\u30f3\u5f8c\u306e\u30c6\u30ad\u30b9\u30c8\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30bf\u30a4\u30d7\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30f3\u30af\u7dda:<\/strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u63a5\u7d9a\u3059\u308b\u5b9f\u7dda\u3002<\/li>\n<li><strong>\u95a2\u9023\u4ed8\u3051\u77e2\u5370:<\/strong>\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u53ef\u80fd\u6027\u3092\u793a\u3059\u30ea\u30f3\u30af\u7dda\u4e0a\u306e\u77e2\u5370\u982d\u3002<\/li>\n<li><strong>\u30e1\u30c3\u30bb\u30fc\u30b8\u77e2\u5370:<\/strong>\u547c\u3073\u51fa\u3057\u3092\u793a\u3059\u77e2\u5370\u3002<\/li>\n<li><strong>\u30e1\u30c3\u30bb\u30fc\u30b8\u30e9\u30d9\u30eb:<\/strong>\u64cd\u4f5c\u3092\u8aac\u660e\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u3002<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7:<\/strong>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5148\u982d\u306b\u3042\u308b\u6570\u5024\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3002<\/li>\n<li><strong>\u591a\u91cd\u5ea6:<\/strong>\u30ea\u30f3\u30af\u306e\u672b\u5c3e\u306b\u3042\u308b\u6570\u5024\u3002<\/li>\n<li><strong>\u30d5\u30ec\u30fc\u30e0:<\/strong>\u30eb\u30fc\u30d7\u307e\u305f\u306f\u6761\u4ef6\u306e\u305f\u3081\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u56f2\u3080\u30dc\u30c3\u30af\u30b9\u3002<\/li>\n<li><strong>\u30ac\u30fc\u30c9\u6761\u4ef6:<\/strong>\u30d5\u30ec\u30fc\u30e0\u5185\u306e\u89d2\u62ec\u5f27\u5185\u306e\u30c6\u30ad\u30b9\u30c8\uff08\u4f8b\uff1a&#8221;<em>[if open]<\/em>).<\/li>\n<\/ul>\n<h2>\ud83e\udde9 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