{"id":1420,"date":"2026-03-28T06:58:20","date_gmt":"2026-03-28T06:58:20","guid":{"rendered":"https:\/\/www.viz-read.com\/ja\/object-diagrams-made-simple-student-guide\/"},"modified":"2026-03-28T06:58:20","modified_gmt":"2026-03-28T06:58:20","slug":"object-diagrams-made-simple-student-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/ja\/object-diagrams-made-simple-student-guide\/","title":{"rendered":"\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3092\u30b7\u30f3\u30d7\u30eb\u306b\uff1a\u4e0d\u8981\u306a\u60c5\u5831\u3092\u7701\u3044\u305f\u3001\u5b66\u751f\u5411\u3051\u306e\u308f\u304b\u308a\u3084\u3059\u3044\u5165\u9580"},"content":{"rendered":"<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u3084\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3092\u5b66\u3076\u969b\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u56f3\u306b\u51fa\u4f1a\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u3001<strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/strong>\u30b7\u30b9\u30c6\u30e0\u306e\u7279\u5b9a\u306e\u8996\u70b9\u3068\u3057\u3066\u969b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306e\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u6b63\u78ba\u306a\u77ac\u9593\u306e\u72b6\u614b\u3092\u6349\u3048\u307e\u3059\u3002\u9759\u7684\u306a\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u56f3\u304c\u4f55\u3067\u3042\u308b\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u8aad\u307f\u89e3\u304f\u304b\u3001\u305d\u3057\u3066\u4e0d\u8981\u306a\u8907\u96d1\u3055\u3092\u907f\u3051\u306a\u304c\u3089\u3069\u3046\u4f5c\u6210\u3059\u308b\u304b\u3092\u660e\u78ba\u306b\u3001\u6df1\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn whiteboard infographic explaining UML Object Diagrams: shows definition as system snapshot, class vs object diagram comparison table, library system example with connected instances (sarah_l:Librarian, tom_s:Student, book_101:Book), 5-step construction process, multiplicity symbols legend (1, 0..1, 1..*, 0..*), common mistakes warning box, and key takeaways for students learning software engineering and system design\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/object-diagrams-made-simple-infographic-whiteboard-style.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u3001UML\uff08\u7d71\u5408\u30e2\u30c7\u30eb\u5316\u8a00\u8a9e\uff09\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3042\u308b\u6642\u70b9\u3067\u306e\u8a73\u7d30\u306a\u72b6\u614b\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u793a\u3057\u307e\u3059\u3002\u52d5\u4f5c\u4e2d\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u5199\u771f\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30af\u30e9\u30b9\u56f3\u304c\u8a2d\u8a08\u56f3\uff08\u8a08\u753b\uff09\u3092\u793a\u3059\u306e\u306b\u5bfe\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u73fe\u5728\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u5b9f\u969b\u306b\u5b58\u5728\u3059\u308b\u30c7\u30fc\u30bf\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30af\u30e9\u30b9\u56f3\uff1a<\/strong>\u7269\u4e8b\u306e\u7a2e\u985e\u3092\u5b9a\u7fa9\u3057\u307e\u3059\uff08\u4f8b\uff1a<em>\u30e6\u30fc\u30b6\u30fc<\/em>, <em>\u6ce8\u6587<\/em>).<\/li>\n<li><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\uff1a<\/strong>\u5177\u4f53\u7684\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\uff08\u4f8b\uff1a<em>user_001<\/em>, <em>order_554<\/em>).<\/li>\n<\/ul>\n<p>\u3053\u306e\u9055\u3044\u306f\u5b66\u751f\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30af\u30e9\u30b9\u56f3\u306f\u69cb\u9020\u3092\u8a2d\u8a08\u3059\u308b\u305f\u3081\u306b\u4f7f\u3044\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u3001\u305d\u306e\u69cb\u9020\u304c\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u304b\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<h2>\ud83e\uddf1 \u30b3\u30a2\u3068\u306a\u308b\u69cb\u6210\u8981\u7d20\u3068\u69cb\u6587<\/h2>\n<p>\u3053\u308c\u3089\u306e\u56f3\u3092\u8aad\u3080\u304b\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u8996\u899a\u8a00\u8a9e\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u8981\u7d20\u306f\u53b3\u5bc6\u306a\u30eb\u30fc\u30eb\u306b\u5f93\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30eb\u30fc\u30eb\u304b\u3089\u9038\u8131\u3059\u308b\u3068\u3001\u4ed6\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u56f3\u3092\u8aad\u3081\u306a\u304f\u306a\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<h3>1. \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u9577\u65b9\u5f62\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u9577\u65b9\u5f62\u306e\u4e2d\u306b\u306f\u3001\u7279\u5b9a\u306e\u30c6\u30ad\u30b9\u30c8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\uff1a<\/strong>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304b\u308c\u307e\u3059\uff1a<em>\u659c\u4f53<\/em>\u3067\u3001\u4e0b\u7dda\u3092\u5f15\u304d\u307e\u3059\u3002\u4f8b\uff1a<em>john_doe<\/em>.<\/li>\n<li><strong>\u30af\u30e9\u30b9\u540d\uff1a<\/strong> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u306e\u4e0b\u306b\u30b3\u30ed\u30f3\u3067\u533a\u5207\u3063\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4f8b\uff1a<em>john_doe<\/em> : <strong>\u30e6\u30fc\u30b6\u30fc<\/strong>.<\/li>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> \u30af\u30e9\u30b9\u540d\u306e\u4e0b\u306b\u8a18\u8f09\u3055\u308c\u307e\u3059\u3002\u73fe\u5728\u306e\u5024\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u5c5e\u6027\u3068\u5024<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306f\u5358\u306a\u308b\u578b\u3067\u306f\u306a\u304f\u3001\u5024\u3067\u3059\u3002\u30af\u30e9\u30b9\u304c\u300c<em>name: String<\/em>\u300d\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3001\u305f\u3068\u3048\u3070\u300c<em>name: \u201cAlice\u201d<\/em>.<\/p>\n<ul>\n<li><strong>\u53ef\u8996\u6027\uff1a<\/strong> \u516c\u958b\u306b\u306f\u300c<code>+<\/code>\u300d\u3001\u975e\u516c\u958b\u306b\u306f\u300c<code>-<\/code>\u300d\u306e\u3088\u3046\u306a\u8a18\u53f7\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u578b\uff1a<\/strong> \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u5024\u306e\u96a3\u306b\u578b\u3092\u8a18\u8f09\u3057\u307e\u3059\uff08\u4f8b\uff1a<code>age: 25<\/code>).<\/li>\n<li><strong>null\u5024\uff1a<\/strong> \u5024\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u6a19\u6e96\u306b\u3088\u3063\u3066\u306f\u300c<code>null<\/code>\u300d\u3068\u3057\u3066\u8868\u3055\u308c\u305f\u308a\u3001\u7a7a\u767d\u306e\u307e\u307e\u306b\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>3. \u95a2\u4fc2\u3068\u95a2\u9023<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4ed6\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7dda\u306f\u95a2\u4fc2\u3092\u8868\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u56f3\u306b\u304a\u3051\u308b\u3082\u306e\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u9593\u306e\u7279\u5b9a\u306e\u30ea\u30f3\u30af\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u95a2\u9023\uff1a<\/strong> 2\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3064\u306a\u3050\u7dda\u3002\u304a\u4e92\u3044\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u3002<\/li>\n<li><strong> \u591a\u91cd\u6027\uff1a<\/strong> \u7dda\u306e\u7aef\u306b\u3042\u308b\u6570\u5b57\u3002\u4f55\u500b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u63a5\u7d9a\u3067\u304d\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u4f8b\uff1a<code>1<\/code>, <code>0..1<\/code>, <code>1..*<\/code>.<\/li>\n<li><strong>\u5f79\u5272\u540d\uff1a<\/strong> \u7dda\u306b\u8a18\u8f09\u3055\u308c\u305f\u95a2\u4fc2\u3092\u8aac\u660e\u3059\u308b\u30c6\u30ad\u30b9\u30c8\uff08\u4f8b\uff1a<em>\u6240\u6709\u3059\u308b<\/em>, <em>\u7ba1\u7406\u3059\u308b<\/em>).<\/li>\n<\/ul>\n<h2>\ud83d\udcca \u30af\u30e9\u30b9\u56f3 vs. \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/h2>\n<p>\u5b66\u751f\u306f\u3088\u304f\u3053\u308c\u3089\u3092\u6df7\u540c\u3059\u308b\u3002\u6bd4\u8f03\u8868\u3092\u4f7f\u3046\u3068\u3001\u9055\u3044\u3092\u3059\u3070\u3084\u304f\u660e\u78ba\u306b\u3067\u304d\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u30af\u30e9\u30b9\u56f3<\/th>\n<th>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6ce8\u76ee\u70b9<\/strong><\/td>\n<td>\u69cb\u9020\u3068\u8a2d\u8a08\u56f3<\/td>\n<td>\u7279\u5b9a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6642\u9593<\/strong><\/td>\n<td>\u6642\u9593\u306b\u4f9d\u5b58\u3057\u306a\u3044\uff08\u9759\u7684\u8a08\u753b\uff09<\/td>\n<td>\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\uff08\u6642\u9593\u306e\u4e00\u70b9\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u540d\u524d<\/strong><\/td>\n<td>\u30af\u30e9\u30b9\u540d\uff08\u592a\u5b57\u3001\u5927\u6587\u5b57\uff09<\/td>\n<td>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d\uff08\u659c\u4f53\u3001\u5c0f\u6587\u5b57\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c5e\u6027<\/strong><\/td>\n<td>\u578b\uff08\u4f8b\uff1a<em>int<\/em>)<\/td>\n<td>\u5024\uff08\u4f8b\uff1a<em>42<\/em>)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/td>\n<td>\u8a2d\u8a08\u30d5\u30a7\u30fc\u30ba<\/td>\n<td>\u30c6\u30b9\u30c8\u3001\u30c7\u30d0\u30c3\u30b0\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4f5c\u6210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udee0\ufe0f \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u4f5c\u6210\u65b9\u6cd5<\/h2>\n<p>\u56f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u8ad6\u7406\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u660e\u78ba\u306a\u982d\u8133\u3068\u30b0\u30ea\u30c3\u30c9\u304c\u3042\u308c\u3070\u5341\u5206\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b7\u30ca\u30ea\u30aa\u306e\u7279\u5b9a<\/h3>\n<p>\u30e2\u30c7\u30ea\u30f3\u30b0\u3059\u308b\u5177\u4f53\u7684\u306a\u72b6\u6cc1\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u53d6\u5f15\u306e\u958b\u59cb\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u30ed\u30b0\u30a4\u30f3\u306e\u7d42\u4e86\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30ab\u30fc\u30c8\u306e\u72b6\u614b\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u30b7\u30ca\u30ea\u30aa\u306b\u3088\u3063\u3066\u3001\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d72\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9078\u629e<\/h3>\n<p>\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u3092\u542b\u3081\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5728\u306e\u72b6\u614b\u306b\u95a2\u4fc2\u3059\u308b\u3082\u306e\u3060\u3051\u3092\u542b\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u5b8c\u4e86\u3057\u305f\u6ce8\u6587\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u3001<em>\u652f\u6255\u3044<\/em>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<em>\u30ab\u30fc\u30c8<\/em>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u7a7a\u3067\u3042\u308b\u304b\u3001\u5b58\u5728\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d73\uff1a\u95a2\u4fc2\u306e\u5b9a\u7fa9<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9593\u306b\u7dda\u3092\u5f15\u304d\u307e\u3059\u3002\u7dda\u304c\u30af\u30e9\u30b9\u56f3\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30eb\u30fc\u30eb\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30af\u30e9\u30b9\u56f3\u304c\u300c<em>\u30e6\u30fc\u30b6\u30fc<\/em>\u306f\u8907\u6570\u306e<em>\u6ce8\u6587<\/em>\u3092\u6301\u3064\u3068\u8ff0\u3079\u3066\u3044\u308b\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u6709\u52b9\u306a\u591a\u91cd\u5ea6\u3092\u53cd\u6620\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\uff08\u4f8b\uff1a1\u3064\u306e\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c3\u3064\u306e\u6ce8\u6587\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\uff09\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d74\uff1a\u5024\u306e\u5272\u308a\u5f53\u3066<\/h3>\n<p>\u5c5e\u6027\u306b\u5024\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u578b\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5024\u304c\u8ad6\u7406\u7684\u306b\u610f\u5473\u3092\u6301\u3064\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001<em>\u65e5\u4ed8<\/em>\u5c5e\u6027\u306f\u65e5\u4ed8\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3079\u304d\u3067\u3042\u308a\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d75\uff1a\u591a\u91cd\u5ea6\u306e\u78ba\u8a8d<\/h3>\n<p>\u95a2\u9023\u7dda\u306e\u7aef\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5236\u7d04\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u95a2\u4fc2\u304c\u6b63\u78ba\u306b1\u3064\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u308b\u5834\u5408\u30012\u3064\u63cf\u3044\u3066\u3057\u307e\u3046\u3068\u56f3\u306f\u8aa4\u308a\u3067\u3059\u3002<\/p>\n<h2>\ud83c\udf0d \u5b9f\u969b\u306e\u4f8b\uff1a\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0<\/h2>\n<p>\u7406\u89e3\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306b\u5177\u4f53\u7684\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56f3\u66f8\u9928\u304c\u958b\u9928\u3059\u308b\u7279\u5b9a\u306e\u671d\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b7\u30ca\u30ea\u30aa<\/h3>\n<p>\u30b5\u30e9\u3068\u3044\u3046\u540d\u524d\u306e\u56f3\u66f8\u9928\u54e1\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059\u3002\u5f7c\u5973\u306f\u30c8\u30e0\u3068\u3044\u3046\u540d\u524d\u306e\u5b66\u751f\u306b\u672c\u3092\u5272\u308a\u5f53\u3066\u307e\u3057\u305f\u3002\u305d\u306e\u672c\u306f\u73fe\u5728\u8cb8\u51fa\u4e2d\u3067\u3059\u3002<\/p>\n<h3>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/h3>\n<ul>\n<li><em>sarah_l<\/em> : <strong>\u56f3\u66f8\u9928\u54e1<\/strong><\/li>\n<li><em>tom_s<\/em> : <strong>\u5b66\u751f<\/strong><\/li>\n<li><em>book_101<\/em> : <strong>\u672c<\/strong><\/li>\n<\/ul>\n<h3>\u5c5e\u6027<\/h3>\n<ul>\n<li><em>sarah_l<\/em>: <code>id: \"L001\"<\/code>, <code>status: \"\u6709\u52b9\"<\/code><\/li>\n<li><em>tom_s<\/em>: <code>id: \"S055\"<\/code>, <code>status: \"\u8cb8\u51fa\u4e2d\"<\/code><\/li>\n<li><em>book_101<\/em>: <code>title: \"\u9ad8\u5ea6\u306aUML\"<\/code>, <code>\u30b9\u30c6\u30fc\u30bf\u30b9: \"\u8cb8\u51fa\u4e2d\"<\/code><\/li>\n<\/ul>\n<h3>\u63a5\u7d9a\u95a2\u4fc2<\/h3>\n<ul>\n<li>\u884c\uff1a<em>sarah_l<\/em>\u304b\u3089<em>tom_s<\/em>\u30e9\u30d9\u30eb:<em>\u7ba1\u7406\u3059\u308b<\/em>\uff08\u591a\u91cd\u6027\uff1a\u5b66\u751f\u5074\u30671..*\uff09\u3002<\/li>\n<li>\u884c\uff1a<em>tom_s<\/em>\u304b\u3089<em>book_101<\/em>\u30e9\u30d9\u30eb:<em>\u501f\u308a\u308b<\/em>\uff08\u591a\u91cd\u6027\uff1a\u672c\u5074\u30671\uff09\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u8996\u899a\u7684\u8868\u73fe\u306f\u3001\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u304b\u3092\u6b63\u78ba\u306b\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002\u30b5\u30e9\u3001\u30c8\u30e0\u3001\u305d\u3057\u3066\u672c\u304c\u898b\u3048\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5b9a\u306eID\u304c\u898b\u3048\u307e\u3059\u3002\u305d\u308c\u3089\u306e\u9593\u306e\u95a2\u4fc2\u304c\u898b\u3048\u307e\u3059\u3002\u3053\u308c\u306f\u30c6\u30ad\u30b9\u30c8\u3060\u3051\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u60c5\u5831\u91cf\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<h2>\ud83d\udeab \u907f\u3051\u308b\u3079\u304d\u4e00\u822c\u7684\u306a\u30df\u30b9<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30c7\u30b6\u30a4\u30ca\u30fc\u3067\u3059\u3089\u30df\u30b9\u3092\u72af\u3057\u307e\u3059\u3002\u5b66\u751f\u3068\u3057\u3066\u3053\u308c\u3089\u306e\u7f60\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u3001\u6210\u7e3e\u3068\u30c7\u30b6\u30a4\u30f3\u30b9\u30ad\u30eb\u306e\u4e21\u65b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7a2e\u985e\u306e\u6df7\u540c\uff1a<\/strong> \u30af\u30e9\u30b9\u306e\u5c5e\u6027\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5024\u306e\u96a3\u306b\u7f6e\u304b\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u305e\u308c\u3092\u660e\u78ba\u306b\u533a\u5225\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u591a\u91cd\u6027\u306e\u7121\u8996\uff1a<\/strong> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6570\u304c\u30af\u30e9\u30b9\u56f3\u3067\u8a31\u53ef\u3055\u308c\u305f\u7bc4\u56f2\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u591a\u3059\u304e\u308b\uff1a<\/strong> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u3059\u3050\u306b\u3054\u3061\u3083\u3054\u3061\u3083\u306b\u306a\u308a\u307e\u3059\u3002\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u30d3\u30e5\u30fc\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5168\u4f53\u3092\u8868\u793a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30e9\u30d9\u30eb\u306e\u6b20\u843d\uff1a<\/strong> \u5e38\u306b\u7dda\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u30e9\u30d9\u30eb\u306e\u306a\u3044\u7dda\u306f\u66d6\u6627\u3067\u3059\u3002<\/li>\n<li><strong>\u4e0d\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff1a<\/strong> \u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u306f\u659c\u4f53\u3067\u4e0b\u7dda\u3092\u5f15\u304d\u307e\u3059\u3002\u30af\u30e9\u30b9\u540d\u306f\u592a\u5b57\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd17 \u591a\u91cd\u6027\u306e\u6df1\u3044\u7406\u89e3<\/h2>\n<p>\u591a\u91cd\u6027\u306f\u3001\u3042\u306a\u305f\u306e\u56f3\u306e\u6570\u5b66\u3067\u3059\u3002\u5236\u7d04\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u8a18\u53f7\u306e\u8aac\u660e\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>1:<\/strong>\u6b63\u78ba\u306b1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30021\u3064\u3060\u3051\u5b58\u5728\u3057\u307e\u3059\u3002<\/li>\n<li><strong>0..1:<\/strong>0\u500b\u307e\u305f\u306f1\u500b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u304c\u3001\u5b58\u5728\u3059\u308b\u5834\u5408\u30011\u3064\u3060\u3051\u3067\u3059\u3002<\/li>\n<li><strong>1..*:<\/strong>1\u3064\u4ee5\u4e0a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3002\u5fc5\u9808\u3067\u3042\u308a\u3001\u8907\u6570\u5b58\u5728\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><strong>0..*:<\/strong>0\u500b\u4ee5\u4e0a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3042\u308a\u3001\u8907\u6570\u5b58\u5728\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><strong>2..5:<\/strong>\u7279\u5b9a\u306e\u7bc4\u56f2\u30022\u3064\u304b\u30895\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u63cf\u753b\u3059\u308b\u969b\u306f\u3001\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u3001\u8a72\u5f53\u30af\u30e9\u30b9\u3092\u8aac\u660e\u3059\u308b\u95a2\u9023\u7dda\u306e\u7aef\u3001\u3064\u307e\u308a\u30af\u30e9\u30b9\u306b\u8fd1\u3044\u65b9\u306b\u914d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u306e\u7279\u5b9a\u306e\u30af\u30e9\u30b9\u304c\u4ed6\u306e\u30af\u30e9\u30b9\u306b\u30ea\u30f3\u30af\u3067\u304d\u308b\u6570\u304c\u8aad\u307f\u624b\u306b\u4f1d\u308f\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udcc8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u304c\u91cd\u8981\u306a\u7406\u7531<\/h2>\n<p>\u306a\u305c\u3053\u308c\u3089\u306e\u56f3\u3092\u63cf\u304f\u6642\u9593\u3092\u8cbb\u3084\u3059\u306e\u304b\uff1f\u3053\u308c\u3089\u306f\u5358\u306a\u308b\u5bbf\u984c\u306e\u6f14\u7fd2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3044\u3066\u5b9f\u7528\u7684\u306a\u76ee\u7684\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>1. \u691c\u8a3c<\/h3>\n<p>\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u524d\u306b\u3001\u8ad6\u7406\u304c\u6210\u308a\u7acb\u3064\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u56f3\u304c\u300c<em>\u30e6\u30fc\u30b6\u30fc<\/em>\u300d\u304c\u300c<em>500\u4ef6\u306e\u6ce8\u6587\u300d\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u5236\u9650\u304c\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306b\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6c17\u3065\u304f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/em>\u5236\u9650\u306a\u3057\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306b\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6c17\u3065\u304f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>2. \u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306f\u3001\u62bd\u8c61\u7684\u306a\u30af\u30e9\u30b9\u56f3\u306b\u82e6\u52b4\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u30c7\u30fc\u30bf\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u793a\u3059\u56f3\u306f\u3001\u6280\u8853\u306b\u8a73\u3057\u304f\u306a\u3044\u4eba\u306b\u3068\u3063\u3066\u7406\u89e3\u3057\u3084\u3059\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u305d\u308c\u306f\u300c\u898b\u305f\u76ee\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u300d\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u300c\u3069\u306e\u3088\u3046\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b\u304b\u300d\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>3. \u30c6\u30b9\u30c8<\/h3>\n<p>\u30c6\u30b9\u30c8\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3092\u4f7f\u3063\u3066\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u306b\u7279\u5b9a\u306e\u72b6\u614b\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u304c\u305d\u306e\u72b6\u614b\u3092\u6b63\u78ba\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u691c\u8a3c\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>4. \u30c7\u30d0\u30c3\u30b0<\/h3>\n<p>\u30d0\u30b0\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u72b6\u614b\u304c\u7834\u7dbb\u3057\u307e\u3059\u3002\u30d0\u30b0\u767a\u751f\u6642\u306e\u72b6\u614b\u3092\u56f3\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u306e\u539f\u56e0\u3092\u8ffd\u8de1\u3067\u304d\u307e\u3059\u3002\u671f\u5f85\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\ud83d\uded1 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\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3001\u72b6\u614b\u6a5f\u68b0\u56f3\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3002<\/li>\n<\/ul>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u9759\u7684\u69cb\u9020\u56f3\u3067\u3059\u3002\u52d5\u304d\u3092\u793a\u3057\u307e\u305b\u3093\u3002\u6642\u9593\u306e\u7d4c\u904e\u3092\u793a\u3057\u307e\u305b\u3093\u3002\u6642\u9593\u3092\u51cd\u7d50\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u305d\u306e\u72ec\u81ea\u306e\u5f37\u307f\u3067\u3042\u308a\u3001\u9650\u754c\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u2705 \u5b66\u751f\u5411\u3051\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p>\u3042\u306a\u305f\u306e\u4f5c\u696d\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u660e\u78ba\u306b\u306a\u308b\u3088\u3046\u306b\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u7c21\u6f54\u306b\u4fdd\u3064\uff1a<\/strong>\u53ef\u80fd\u306a\u9650\u308a\u7dda\u306e\u4ea4\u5dee\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u659c\u3081\u306e\u7dda\u306e\u4ee3\u308f\u308a\u306b\u3001\u76f4\u89d2\u306e\u7dda\uff08\u76f4\u4ea4\u7dda\uff09\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u4e00\u8cab\u6027\uff1a<\/strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5168\u4f53\u3067\u540c\u3058\u30d5\u30a9\u30f3\u30c8\u3068\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\uff1a<\/strong>\u95a2\u4fc2\u304c\u8907\u96d1\u306a\u5834\u5408\u306f\u3001\u56f3\u306e\u5916\u5074\u306b\u6ce8\u8a18\u3092\u8ffd\u52a0\u3057\u3066\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30b9\u30b3\u30fc\u30d7\u306e\u5236\u5fa1\uff1a<\/strong> 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