{"id":3438,"date":"2026-03-26T10:01:16","date_gmt":"2026-03-26T02:01:16","guid":{"rendered":"https:\/\/www.go2posts.com\/ja\/polymorphism-guide-clean-code-implementation\/"},"modified":"2026-03-26T10:01:16","modified_gmt":"2026-03-26T02:01:16","slug":"polymorphism-guide-clean-code-implementation","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/ja\/polymorphism-guide-clean-code-implementation\/","title":{"rendered":"OOAD\u30ac\u30a4\u30c9\uff1a\u30af\u30ea\u30fc\u30f3\u30b3\u30fc\u30c9\u5b9f\u88c5\u306e\u305f\u3081\u306e\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3001\u5805\u7262\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u57fa\u76e4\u3067\u3059\u3002\u540c\u3058\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u901a\u3058\u3066\u3001\u7570\u306a\u308b\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u8907\u96d1\u3055\u304c\u8efd\u6e1b\u3055\u308c\u3001\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u9069\u5207\u306b\u9069\u7528\u3059\u308c\u3070\u3001\u62e1\u5f35\u3084\u4fee\u6b63\u304c\u5bb9\u6613\u306a\u30b3\u30fc\u30c9\u3078\u3068\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30af\u30ea\u30fc\u30f3\u30b3\u30fc\u30c9\u306e\u539f\u5247\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3092\u63a2\u308a\u307e\u3059\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Kawaii-style infographic explaining polymorphism for clean code implementation: features cute pastel coding robot mascot, visual comparison of compile-time vs runtime polymorphism, implementation methods (inheritance, interfaces, abstract classes), SOLID principles connection with shield badges, five key benefits (readability, testability, extensibility, maintainability, scalability), common pitfalls to avoid, and real-world examples (data pipelines, rendering engines, payment systems) - all in soft mint, lavender, peach and sky blue colors with sparkles, hearts, and playful English text on 16:9 layout\" decoding=\"async\" src=\"https:\/\/www.go2posts.com\/wp-content\/uploads\/2026\/03\/kawaii-polymorphism-clean-code-guide-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d 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\u5b9f\u88c5\u30af\u30e9\u30b9\u3059\u3079\u3066\u304c\u7279\u5b9a\u306e\u30e1\u30bd\u30c3\u30c9\u30b7\u30b0\u30cd\u30c1\u30e3\u306b\u5f93\u3046\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd39 \u62bd\u8c61\u30af\u30e9\u30b9<\/h3>\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u90e8\u5206\u7684\u306a\u5b9f\u88c5\u3068\u5171\u6709\u72b6\u614b\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3002\u5177\u4f53\u7684\u306a\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9593\u306b\u4f4d\u7f6e\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5171\u6709\u30b3\u30fc\u30c9\uff1a<\/strong> \u5171\u901a\u306e\u30ed\u30b8\u30c3\u30af\u3092\u89aa\u30af\u30e9\u30b9\u3067\u4e00\u5ea6\u3060\u3051\u8a18\u8ff0\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u72b6\u614b\u7ba1\u7406\uff1a<\/strong> \u30b5\u30d6\u30af\u30e9\u30b9\u304c\u7d99\u627f\u3059\u308b\u5909\u6570\u3092\u7dad\u6301\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u5236\u9650\uff1a<\/strong> \u30af\u30e9\u30b9\u306f\u901a\u5e38\u3001\u4e00\u3064\u306e\u62bd\u8c61\u30af\u30e9\u30b9\u3057\u304b\u7d99\u627f\u3067\u304d\u306a\u3044\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcca \u5b9f\u88c5\u6226\u7565\u306e\u6bd4\u8f03<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u9055\u3044\u3092\u5f37\u8abf\u3057\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/th>\n<th>\u62bd\u8c61\u30af\u30e9\u30b9<\/th>\n<th>\u5177\u8c61\u30af\u30e9\u30b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u591a\u91cd\u7d99\u627f<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044\uff08\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u7d4c\u7531\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u614b\u7ba1\u7406<\/td>\n<td>\u3044\u3044\u3048\uff08\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u8a31\u53ef\u3055\u308c\u306a\u3044\uff09<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u5b9f\u88c5<\/td>\n<td>\u306a\u3057\uff08\u62bd\u8c61\uff09<\/td>\n<td>\u90e8\u5206\u7684<\/td>\n<td>\u5b8c\u5168<\/td>\n<\/tr>\n<tr>\n<td>\u67d4\u8edf\u6027<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u30bf\u30a4\u30d7<\/td>\n<td>\u5b9f\u884c\u6642<\/td>\n<td>\u5b9f\u884c\u6642<\/td>\n<td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83e\uddf1 SOLID\u539f\u5247\u3068\u306e\u95a2\u9023<\/h2>\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u5b64\u7acb\u3057\u305f\u6982\u5ff5\u3067\u306f\u306a\u3044\u3002\u65e2\u5b58\u306e\u8a2d\u8a08\u539f\u5247\u3068\u9023\u643a\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002<\/p>\n<h3>\ud83d\udfe2 \u958b\u653e\u30fb\u9589\u9396\u306e\u539f\u5247<\/h3>\n<p>\u3053\u306e\u539f\u5247\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u62e1\u5f35\u306b\u5bfe\u3057\u3066\u958b\u653e\u7684\u3067\u3001\u5909\u66f4\u306b\u5bfe\u3057\u3066\u9589\u9396\u7684\u3067\u3042\u308b\u3079\u304d\u3060\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3001\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u305b\u305a\u306b\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u65b0\u3057\u3044\u632f\u308b\u821e\u3044\u3092\u8ffd\u52a0\u3067\u304d\u308b\u305f\u3081\u3001\u3053\u306e\u539f\u5247\u3092\u652f\u63f4\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u4f8b\uff1a<\/strong>\u30ec\u30dd\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5909\u66f4\u305b\u305a\u306b\u3001\u65b0\u3057\u3044\u30ec\u30dd\u30fc\u30c8\u30bf\u30a4\u30d7\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<li><strong>\u7d50\u679c\uff1a<\/strong>\u5b89\u5b9a\u3057\u305f\u30b3\u30fc\u30c9\u306b\u30d0\u30b0\u3092\u5c0e\u5165\u3059\u308b\u30ea\u30b9\u30af\u304c\u4f4e\u4e0b\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udfe2 \u4f9d\u5b58\u95a2\u4fc2\u306e\u9006\u8ee2\u306e\u539f\u5247<\/h3>\n<p>\u9ad8\u30ec\u30d9\u30eb\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u4f4e\u30ec\u30d9\u30eb\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u4e21\u65b9\u3068\u3082\u62bd\u8c61\u5316\u306b\u4f9d\u5b58\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u30ed\u30b8\u30c3\u30af\u304c\u62bd\u8c61\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u4f9d\u5b58\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5229\u70b9\uff1a<\/strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u7d50\u5408\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002<\/li>\n<li><strong>\u7d50\u679c\uff1a<\/strong>\u30c6\u30b9\u30c8\u3084\u4fdd\u5b88\u306e\u969b\u306b\u5b9f\u88c5\u3092\u7c21\u5358\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udfe2 \u30ea\u30b9\u30b3\u30d5\u306e\u7f6e\u63db\u539f\u5247<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7f6e\u304d\u63db\u3048\u53ef\u80fd\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u4e88\u671f\u3057\u306a\u3044\u632f\u308b\u821e\u3044\u3092\u5f15\u304d\u8d77\u3053\u3055\u306a\u3044\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5236\u7d04\uff1a<\/strong>\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u89aa\u30af\u30e9\u30b9\u306e\u5951\u7d04\u3092\u5c0a\u91cd\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<li><strong>\u8b66\u544a\uff1a<\/strong>\u4e8b\u524d\u6761\u4ef6\u3084\u4e8b\u5f8c\u6761\u4ef6\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u3053\u306e\u30eb\u30fc\u30eb\u306b\u9055\u53cd\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<h2>\u2705 \u30af\u30ea\u30fc\u30f3\u30b3\u30fc\u30c9\u3078\u306e\u5229\u70b9<\/h2>\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u54c1\u8cea\u306b\u5b9f\u8cea\u7684\u306a\u5411\u4e0a\u304c\u3082\u305f\u3089\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li><strong>\u53ef\u8aad\u6027\uff1a<\/strong>\u30b3\u30fc\u30c9\u304c\u3088\u308a\u5ba3\u8a00\u7684\u306b\u306a\u308b\u3002\u7279\u5b9a\u306e\u578b\u3092\u6c17\u306b\u305b\u305a\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u308b\u3002<\/li>\n<li><strong>\u30c6\u30b9\u30c8\u6027\uff1a<\/strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3088\u308a\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u4f9d\u5b58\u95a2\u4fc2\u3092\u7c21\u5358\u306b\u30e2\u30c3\u30af\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u62e1\u5f35\u6027\uff1a<\/strong>\u65b0\u3057\u3044\u6a5f\u80fd\u306f\u3001\u65e2\u5b58\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5909\u66f4\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u65b0\u3057\u3044\u5b9f\u88c5\u3068\u3057\u3066\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u4fdd\u5b88\u6027\uff1a<\/strong>\u3042\u308b\u9818\u57df\u3067\u306e\u5909\u66f4\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u6ce2\u53ca\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\uff1a<\/strong>\u30b7\u30b9\u30c6\u30e0\u306f\u8907\u96d1\u3055\u3092\u5897\u3057\u3066\u3082\u3001\u7ba1\u7406\u4e0d\u80fd\u306a\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u30b3\u30fc\u30c9\u306b\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<h2>\u26a0\ufe0f \u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3068\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/h2>\n<p>\u5f37\u529b\u3067\u306f\u3042\u308b\u304c\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u8aa4\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3069\u306e\u3088\u3046\u306b\u4f7f\u3046\u304b\u3092\u77e5\u308b\u3053\u3068\u3068\u540c\u3058\u304f\u3089\u3044\u3001\u4f55\u3092\u907f\u3051\u308b\u3079\u304d\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002<\/p>\n<h3>\ud83d\udd34 \u904e\u5270\u8a2d\u8a08<\/h3>\n<p>\u5358\u7d14\u306a\u30bf\u30b9\u30af\u306b\u8907\u96d1\u306a\u968e\u5c64\u69cb\u9020\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u4e0d\u8981\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3059\u308b\u3002\u3059\u3079\u3066\u306e\u554f\u984c\u306b\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u5fc5\u8981\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u5146\u5019\uff1a<\/strong>\u5171\u6709\u30ed\u30b8\u30c3\u30af\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u6df1\u3044\u7d99\u627f\u30c4\u30ea\u30fc\u3002<\/li>\n<li><strong>\u4fee\u6b63\uff1a<\/strong> \u9069\u5207\u306a\u5834\u9762\u3067\u306f\u5358\u7d14\u306a\u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\u307e\u305f\u306f\u69cb\u6210\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd34 \u9ad8\u3044\u7d50\u5408\u5ea6<\/h3>\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u7528\u3044\u3066\u3082\u3001\u30af\u30e9\u30b9\u304c\u7279\u5b9a\u306e\u5b9f\u88c5\u8a73\u7d30\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u9ad8\u3044\u7d50\u5408\u5ea6\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5146\u5019\uff1a<\/strong> \u30e1\u30bd\u30c3\u30c9\u304c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u306a\u304f\u5177\u4f53\u7684\u306a\u578b\u3092\u8fd4\u3059\u3002<\/li>\n<li><strong>\u5bfe\u7b56\uff1a<\/strong> \u30b7\u30b0\u30cd\u30c1\u30e3\u304c\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd34 \u300c\u795e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d<\/h3>\n<p>\u591a\u6570\u306e\u591a\u614b\u7684\u632f\u308b\u821e\u3044\u3092\u51e6\u7406\u3059\u308b\u5358\u4e00\u306e\u30af\u30e9\u30b9\u306f\u3001\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u306b\u9055\u53cd\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5146\u5019\uff1a<\/strong> \u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u6570\u767e\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u30af\u30e9\u30b9\u3002<\/li>\n<li><strong>\u5bfe\u7b56\uff1a<\/strong> \u6a5f\u80fd\u3092\u5c0f\u3055\u306a\u3001\u7126\u70b9\u3092\u7d5e\u3063\u305f\u30af\u30e9\u30b9\u306b\u5206\u5272\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd34 \u904e\u5270\u306a\u62bd\u8c61\u5316<\/h3>\n<p>\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u306b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u96e3\u3057\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5146\u5019\uff1a<\/strong> \u5b9f\u88c5\u304c\u4e00\u3064\u3057\u304b\u306a\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u591a\u3059\u304e\u308b\u3002<\/li>\n<li><strong>\u5bfe\u7b56\uff1a<\/strong> \u8907\u6570\u306e\u5b9f\u88c5\u304c\u60f3\u5b9a\u3055\u308c\u308b\u5834\u5408\u306b\u306e\u307f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\ud83d\ude80 \u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u5b9f\u88c5\u6226\u7565<\/h2>\n<p>\u3053\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u5f93\u3063\u3066\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u52b9\u679c\u7684\u306b\u591a\u614b\u6027\u3092\u5c0e\u5165\u3059\u308b\u3002<\/p>\n<ol>\n<li><strong>\u5909\u5316\u70b9\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/strong>\u308f\u305a\u304b\u306a\u9055\u3044\u3092\u4f34\u3063\u3066\u7e70\u308a\u8fd4\u3055\u308c\u308b\u30b3\u30fc\u30c9\u3092\u63a2\u3059\u3002\u3053\u308c\u3089\u306f\u62bd\u8c61\u5316\u306e\u5bfe\u8c61\u3068\u306a\u308b\u5019\u88dc\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u5951\u7d04\u3092\u5b9a\u7fa9\u3059\u308b\uff1a<\/strong> \u5fc5\u8981\u306a\u632f\u308b\u821e\u3044\u3092\u8a18\u8ff0\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<li><strong>\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\uff1a<\/strong> \u5951\u7d04\u3092\u6e80\u305f\u3059\u5177\u4f53\u7684\u306a\u30af\u30e9\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u3002<\/li>\n<li><strong>\u4f9d\u5b58\u95a2\u4fc2\u3092\u6ce8\u5165\u3059\u308b\uff1a<\/strong> \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u307e\u305f\u306f\u30bb\u30c3\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b63\u3057\u3044\u5b9f\u88c5\u3092\u6e21\u3059\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7b87\u6240\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\uff1a<\/strong> \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u3066\u3001\u5177\u8c61\u578b\u306e\u4ee3\u308f\u308a\u306b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u578b\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li><strong>\u691c\u8a3c\uff1a<\/strong> \u5b9f\u88c5\u9593\u3067\u52d5\u4f5c\u304c\u4e00\u8cab\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3002<\/li>\n<\/ol>\n<h2>\ud83e\uddea \u30c6\u30b9\u30c8\u3078\u306e\u5f71\u97ff<\/h2>\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30c6\u30b9\u30c8\u65b9\u6cd5\u3092\u5927\u304d\u304f\u5909\u3048\u308b\u3002\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u9694\u96e2\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30e2\u30c3\u30af\u5316\uff1a<\/strong>\u5916\u90e8\u4f9d\u5b58\u95a2\u4fc2\u306a\u3057\u306b\u30ed\u30b8\u30c3\u30af\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u507d\u5b9f\u88c5\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<li><strong>\u7d71\u5408\u30c6\u30b9\u30c8\uff1a<\/strong>\u7570\u306a\u308b\u5b9f\u88c5\u304c\u540c\u3058\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3068\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u3002<\/li>\n<li><strong>\u30ea\u30b0\u30ec\u30c3\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\uff1a<\/strong>\u65b0\u3057\u3044\u5b9f\u88c5\u306f\u53e4\u3044\u3082\u306e\u3068\u306f\u72ec\u7acb\u3057\u3066\u30c6\u30b9\u30c8\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u306a\u3051\u308c\u3070\u3001\u30c6\u30b9\u30c8\u306f\u3057\u3070\u3057\u3070\u8907\u96d1\u306a\u73fe\u5b9f\u4e16\u754c\u306e\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u3042\u308c\u3070\u3001\u30c6\u30b9\u30c8\u306f\u9ad8\u901f\u304b\u3064\u4fe1\u983c\u6027\u304c\u4fdd\u305f\u308c\u308b\u3002<\/p>\n<h2>\ud83d\udd04 \u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u305f\u3081\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/h2>\n<p>\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u6025\u306a\u5909\u66f4\u306f\u6a5f\u80fd\u3092\u7834\u58ca\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30e1\u30bd\u30c3\u30c9\u306e\u62bd\u51fa\uff1a<\/strong>\u5171\u901a\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u307e\u305f\u306f\u5171\u6709\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u79fb\u52d5\u3059\u308b\u3002<\/li>\n<li><strong>\u578b\u30b3\u30fc\u30c9\u306e\u7f6e\u63db\uff1a<\/strong>\u578b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u6761\u4ef6\u5206\u5c90\u30ed\u30b8\u30c3\u30af\u3092\u524a\u9664\u3057\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u306b\u7f6e\u304d\u63db\u3048\u308b\u3002<\/li>\n<li><strong>\u30d1\u30e9\u30e1\u30fc\u30bf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5c0e\u5165\uff1a<\/strong>\u95a2\u9023\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u30921\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u307e\u3068\u3081\u3001\u30e1\u30bd\u30c3\u30c9\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u8907\u96d1\u3055\u3092\u8efd\u6e1b\u3059\u308b\u3002<\/li>\n<li><strong>\u7d99\u7d9a\u7684\u306a\u691c\u8a3c\uff1a<\/strong>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u5404\u30b9\u30c6\u30c3\u30d7\u5f8c\u306b\u5b9f\u884c\u3055\u308c\u308b\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u3092\u7dad\u6301\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udf10 \u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa<\/h2>\n<p>\u3053\u3053\u3067\u306f\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u4e00\u822c\u7684\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u306e\u6982\u5ff5\u7684\u306a\u4f8b\u3092\u793a\u3059\u3002<\/p>\n<h3>\ud83d\udce6 \u30c7\u30fc\u30bf\u51e6\u7406\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/h3>\n<p>\u3055\u307e\u3056\u307e\u306a\u30bd\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u60f3\u50cf\u3057\u3066\u307f\u3088\u3046\u3002\u5404\u30bd\u30fc\u30b9\u306b\u306f\u7570\u306a\u308b\u30d1\u30fc\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff1a<\/strong> <code>DataSource<\/code> \u3068\u30e1\u30bd\u30c3\u30c9 <code>fetchData()<\/code>.<\/li>\n<li><strong>\u5b9f\u88c5:<\/strong> <code>\u30d5\u30a1\u30a4\u30eb\u30bd\u30fc\u30b9<\/code>, <code>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bd\u30fc\u30b9<\/code>, <code>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30bd\u30fc\u30b9<\/code>.<\/li>\n<li><strong>\u5229\u70b9:<\/strong> \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u30b3\u30fc\u30c9\u306f <code>fetchData()<\/code> \u30bd\u30fc\u30b9\u306e\u7a2e\u985e\u3092\u77e5\u3089\u305a\u306b\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\ud83c\udfa8 \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3<\/h3>\n<p>\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u7570\u306a\u308b\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306b\u56f3\u5f62\u3092\u63cf\u753b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9:<\/strong> <code>\u30ec\u30f3\u30c0\u30e9\u30fc<\/code> \u306b\u30e1\u30bd\u30c3\u30c9 <code>draw(shape)<\/code>.<\/li>\n<li><strong>\u5b9f\u88c5:<\/strong> <code>\u30d9\u30af\u30bf\u30fc\u30ec\u30f3\u30c0\u30e9\u30fc<\/code>, <code>\u30e9\u30b9\u30bf\u30fc\u30ec\u30f3\u30c0\u30e9\u30fc<\/code>.<\/li>\n<li><strong>\u5229\u70b9:<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u3092\u5909\u66f4\u305b\u305a\u306b\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6226\u7565\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udcb3 \u652f\u6255\u3044\u30b7\u30b9\u30c6\u30e0<\/h3>\n<p>\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u652f\u6255\u3044\u65b9\u6cd5\u3092\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9:<\/strong> <code>\u652f\u6255\u3044\u30d7\u30ed\u30bb\u30c3\u30b5<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u3066 <code>charge(amount)<\/code>.<\/li>\n<li><strong>\u5b9f\u88c5:<\/strong> <code>CreditCardProcessor<\/code>, <code>PayPalProcessor<\/code>.<\/li>\n<li><strong>\u5229\u70b9:<\/strong> \u30af\u30a4\u30c3\u30af\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u306e\u6d41\u308c\u3092\u5909\u66f4\u305b\u305a\u306b\u3001\u65b0\u3057\u3044\u6c7a\u6e08\u65b9\u6cd5\u3092\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcdd \u6c7a\u5b9a\u30de\u30c8\u30ea\u30af\u30b9<\/h2>\n<p>\u591a\u614b\u6027\u3092\u5b9f\u88c5\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u3081\u308b\u969b\u306b\u306f\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u540c\u3058\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u632f\u308b\u821e\u3044\u304c\u3042\u308b\u304b\uff1f<\/strong> \u306f\u3044 \u279d \u591a\u614b\u6027\u3002<\/li>\n<li><strong> \u632f\u308b\u821e\u3044\u304c\u983b\u7e41\u306b\u5909\u5316\u3059\u308b\u304b\uff1f<\/strong> \u306f\u3044 \u279d \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u307e\u305f\u306f\u62bd\u8c61\u30af\u30e9\u30b9\u3002<\/li>\n<li><strong> \u632f\u308b\u821e\u3044\u304c\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u3067\u5171\u6709\u3055\u308c\u3066\u3044\u308b\u304b\uff1f<\/strong> \u306f\u3044 \u279d \u62bd\u8c61\u30af\u30e9\u30b9\u3002<\/li>\n<li><strong> \u632f\u308b\u821e\u3044\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u304b\uff1f<\/strong> \u306f\u3044 \u279d \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002<\/li>\n<li><strong> \u30b7\u30b9\u30c6\u30e0\u306f\u5358\u7d14\u3067\u9759\u7684\u304b\uff1f<\/strong> \u306f\u3044 \u279d \u591a\u614b\u6027\u3092\u907f\u3051\u308b\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udee1\ufe0f 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