{"id":1714,"date":"2025-03-24T08:50:06","date_gmt":"2025-03-23T23:50:06","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1714"},"modified":"2025-03-24T08:50:06","modified_gmt":"2025-03-23T23:50:06","slug":"c%e3%81%ae%e3%82%af%e3%83%a9%e3%82%b9%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e7%8f%be%e5%a0%b4%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e8%a8%ad","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1714","title":{"rendered":"C++\u306e\u30af\u30e9\u30b9\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u73fe\u5834\u3067\u4f7f\u3048\u308b\u5b9f\u8df5\u7684\u306a\u8a2d\u8a08\u624b\u6cd5\u3068\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af15\u9078"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">C++\u306b\u304a\u3051\u308b\u30af\u30e9\u30b9\u306e\u57fa\u672c\u6982\u5ff5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30af\u30e9\u30b9\u3068\u306f\u4f55\u304b\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6838\u5fc3<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u69cb\u9020\u4f53\u3068\u30af\u30e9\u30b9\u306e\u9055\u3044\uff1a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3068\u30ab\u30d7\u30bb\u30eb\u5316<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u30e1\u30f3\u30d0\u5909\u6570\u3068\u30e1\u30f3\u30d0\u95a2\u6570\u306e\u5f79\u5272\u3068\u4f7f\u3044\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">\u30af\u30e9\u30b9\u306e\u4f5c\u6210\u3068\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u7a2e\u985e\u3068\u4fbf\u5229<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u521d\u671f\u5316\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u91cd\u8981\u6027\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u591a\u614b\u6027\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u5358\u4e00\u7d99\u627f\u3068\u8907\u6570\u7d99\u627f\u306e\u4f7f\u3044\u3084\u3059\u3055<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u4eee\u60f3\u95a2\u6570\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u5bfe\u7b56<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u7ba1\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u6700\u9069\u5316<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u9ad8\u5ea6\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u6c4e\u7528\u30af\u30e9\u30b9\u306e\u4f5c\u6210\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3068\u30d5\u30ec\u30f3\u30c9\u30af\u30e9\u30b9\u306e\u9069\u5207\u306a\u4f7f\u7528\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u4f8b\u5916\u51e6\u7406\u3092\u8003\u616e\u3057\u305f\u5b89\u5168\u306a\u30af\u30e9\u30b9\u8a2d\u8a08<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-20\">\u30af\u30e9\u30b9\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">SOLID\u306e\u539f\u5247\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u8a2d\u8a08\u624b\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u4f9d\u5b58\u6027\u6ce8\u5165\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5206\u96e2\u306e\u5b9f\u8df5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u3088\u304f\u3042\u308b\u8a2d\u8a08\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">C++\u306b\u304a\u3051\u308b\u30af\u30e9\u30b9\u306e\u57fa\u672c\u6982\u5ff5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30af\u30e9\u30b9\u3068\u306f\u4f55\u304b\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6838\u5fc3<\/h3>\n\n\n\n<p>\u30af\u30e9\u30b9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff08OOP\uff09\u306e\u4e2d\u6838\u3068\u306a\u308b\u6982\u5ff5\u3067\u3001\u30c7\u30fc\u30bf\uff08\u30e1\u30f3\u30d0\u5909\u6570\uff09\u3068\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u95a2\u6570\uff08\u30e1\u30f3\u30d0\u95a2\u6570\uff09\u3092\u3072\u3068\u3064\u306e\u5358\u4f4d\u306b\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u3068\u305d\u308c\u3092\u64cd\u4f5c\u3059\u308b\u95a2\u6570\u3092\u8ad6\u7406\u7684\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3068\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u57fa\u672c\u7684\u306a\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Person {\nprivate:\n    \/\/ \u30e1\u30f3\u30d0\u5909\u6570\uff08\u30c7\u30fc\u30bf\uff09\n    std::string name;\n    int age;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Person(const std::string&amp; n, int a) : name(n), age(a) {}\n\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\uff08\u30e1\u30bd\u30c3\u30c9\uff09\n    void introduce() const {\n        std::cout &lt;&lt; \"\u79c1\u306e\u540d\u524d\u306f\" &lt;&lt; name &lt;&lt; \"\u3067\u3001\" \n                  &lt;&lt; age &lt;&lt; \"\u6b73\u3067\u3059\u3002\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\n    std::string getName() const { return name; }\n    void setAge(int newAge) { age = newAge; }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u69cb\u9020\u4f53\u3068\u30af\u30e9\u30b9\u306e\u9055\u3044\uff1a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3068\u30ab\u30d7\u30bb\u30eb\u5316<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u69cb\u9020\u4f53\uff08struct\uff09\u3068\u30af\u30e9\u30b9\uff08class\uff09\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u6307\u5b9a\u5b50\u306b\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n<div id=\"id-b12c1af8-fa12-49c8-84ad-132ebf46ae2a\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>struct<\/th><th>class<\/th><\/tr><\/thead><tbody><tr><td>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u6307\u5b9a\u5b50<\/td><td>public<\/td><td>private<\/td><\/tr><tr><td>\u7d99\u627f\u6642\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30bb\u30b9\u6307\u5b9a\u5b50<\/td><td>public<\/td><td>private<\/td><\/tr><tr><td>\u30e1\u30f3\u30d0\u5909\u6570\u3068\u30e1\u30f3\u30d0\u95a2\u6570\u306e\u5b9a\u7fa9<\/td><td>\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><\/tr><tr><td>\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9f\u73fe<\/td><td>\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u5b9f\u969b\u306e\u4f7f\u7528\u4f8b\u3067\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ struct\u306e\u4f8b\nstruct Point {\n    int x;  \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u3067public\n    int y;  \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u3067public\n\n    void move(int dx, int dy) {\n        x += dx;\n        y += dy;\n    }\n};\n\n\/\/ class\u306e\u4f8b\nclass Circle {\n    double radius;  \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u3067private\n    Point center;   \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u3067private\n\npublic:\n    Circle(double r, const Point&amp; p) : radius(r), center(p) {}\n\n    double getArea() const {\n        return 3.14159 * radius * radius;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u30e1\u30f3\u30d0\u5909\u6570\u3068\u30e1\u30f3\u30d0\u95a2\u6570\u306e\u5f79\u5272\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30e1\u30f3\u30d0\u5909\u6570\u3068\u30e1\u30f3\u30d0\u95a2\u6570\u306f\u3001\u30af\u30e9\u30b9\u306e2\u3064\u306e\u4e3b\u8981\u306a\u69cb\u6210\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30e1\u30f3\u30d0\u5909\u6570\uff08\u30c7\u30fc\u30bf\u30e1\u30f3\u30d0\uff09\u306e\u7279\u5fb4\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3092\u8868\u73fe\u3059\u308b<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u3088\u308a\u4fdd\u8b77\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u751f\u5b58\u671f\u9593\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u540c\u3058<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class BankAccount {\nprivate:\n    std::string accountNumber;  \/\/ \u53e3\u5ea7\u756a\u53f7\n    double balance;            \/\/ \u6b8b\u9ad8\n    std::string owner;         \/\/ \u53e3\u5ea7\u6240\u6709\u8005\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u30e1\u30f3\u30d0\u5909\u6570\u3092\u521d\u671f\u5316\n    BankAccount(const std::string&amp; num, const std::string&amp; own)\n        : accountNumber(num), balance(0.0), owner(own) {}\n\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u3067\u30e1\u30f3\u30d0\u5909\u6570\u3092\u64cd\u4f5c\n    void deposit(double amount) {\n        if (amount &gt; 0) {\n            balance += amount;\n        }\n    }\n\n    \/\/ const\u30e1\u30f3\u30d0\u95a2\u6570\u3067\u306e\u53c2\u7167\n    double getBalance() const {\n        return balance;\n    }\n};<\/pre>\n\n\n\n<p><strong>\u30e1\u30f3\u30d0\u95a2\u6570\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u306e\u7a2e\u985e\u3068\u7528\u9014\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u901a\u5e38\u306e\u30e1\u30f3\u30d0\u95a2\u6570<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">void deposit(double amount);  \/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3092\u5909\u66f4\u53ef\u80fd<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>const \u30e1\u30f3\u30d0\u95a2\u6570<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">double getBalance() const;    \/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3092\u5909\u66f4\u3057\u306a\u3044<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>static \u30e1\u30f3\u30d0\u95a2\u6570<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">static double getExchangeRate();  \/\/ \u30af\u30e9\u30b9\u5168\u4f53\u306b\u95a2\u9023\u3059\u308b\u64cd\u4f5c<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>\u4eee\u60f3\u30e1\u30f3\u30d0\u95a2\u6570<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">virtual void processTransaction();  \/\/ \u7d99\u627f\u6642\u306b\u4e0a\u66f8\u304d\u53ef\u80fd<\/pre>\n\n\n\n<p>\u30e1\u30f3\u30d0\u95a2\u6570\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305f\u5185\u90e8\u30c7\u30fc\u30bf\u306e\u9069\u5207\u306a\u64cd\u4f5c<\/li>\n\n\n\n<li>\u4e00\u8cab\u6027\u306e\u3042\u308b\u72b6\u614b\u7ba1\u7406<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u539f\u5247\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\uff1a\u30af\u30e9\u30b9\u306f1\u3064\u306e\u660e\u78ba\u306a\u8cac\u4efb\u306e\u307f\u3092\u6301\u3064\u3079\u304d<\/li>\n\n\n\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u539f\u5247\uff1a\u5185\u90e8\u30c7\u30fc\u30bf\u306f\u3067\u304d\u308b\u3060\u3051private\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u660e\u78ba\u6027\uff1apublic\u30e1\u30f3\u30d0\u95a2\u6570\u306f\u4f7f\u7528\u65b9\u6cd5\u304c\u660e\u78ba\u3067\u3042\u308b\u3079\u304d<\/li>\n\n\n\n<li>\u72b6\u614b\u306e\u4e00\u8cab\u6027\uff1a\u30e1\u30f3\u30d0\u95a2\u6570\u306f\u5e38\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6709\u52b9\u306a\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u3079\u304d<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">\u30af\u30e9\u30b9\u306e\u4f5c\u6210\u3068\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u7a2e\u985e\u3068\u4fbf\u5229<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f\u8907\u6570\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u521d\u671f\u5316\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u9078\u629e\u3068\u5b9f\u88c5\u306f\u3001\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u3084\u3059\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Example {\npublic:\n    \/\/ \u660e\u793a\u7684\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Example() : value(0) {}\n    \/\/ \u307e\u305f\u306f\n    Example() = default;  \/\/ \u30b3\u30f3\u30d1\u30a4\u30e9\u751f\u6210\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\n\nprivate:\n    int value;\n};<\/pre>\n\n\n\n<p><strong>2. \u30d1\u30e9\u30e1\u30fc\u30bf\u4ed8\u304d\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Rectangle {\npublic:\n    \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf\u4ed8\u304d\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Rectangle(double w, double h) \n        : width(w), height(h) {\n        validateDimensions();\n    }\n\nprivate:\n    double width;\n    double height;\n\n    void validateDimensions() {\n        if (width &lt;= 0 || height &lt;= 0) {\n            throw std::invalid_argument(\"\u30b5\u30a4\u30ba\u306f\u6b63\u306e\u5024\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n    }\n};<\/pre>\n\n\n\n<p><strong>3. \u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Resource {\npublic:\n    \/\/ \u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Resource(const Resource&amp; other) \n        : data(new int(*other.data)) {\n        std::cout &lt;&lt; \"\u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u307e\u3057\u305f\" &lt;&lt; std::endl;\n    }\n\nprivate:\n    std::unique_ptr&lt;int&gt; data;\n};<\/pre>\n\n\n\n<p><strong>4. \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Buffer {\npublic:\n    \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Buffer(Buffer&amp;&amp; other) noexcept \n        : ptr(other.ptr), size(other.size) {\n        other.ptr = nullptr;\n        other.size = 0;\n    }\n\nprivate:\n    int* ptr;\n    size_t size;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u521d\u671f\u5316\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210<\/h3>\n\n\n\n<p>\u521d\u671f\u5316\u30ea\u30b9\u30c8\u306f\u3001\u30e1\u30f3\u30d0\u5909\u6570\u3092\u52b9\u7387\u7684\u306b\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\uff08\u4e8c\u91cd\u521d\u671f\u5316\u306e\u56de\u907f\uff09<\/li>\n\n\n\n<li>const \u30e1\u30f3\u30d0\u5909\u6570\u306e\u521d\u671f\u5316\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u53c2\u7167\u30e1\u30f3\u30d0\u306e\u521d\u671f\u5316\u304c\u53ef\u80fd<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class EffectiveInit {\npublic:\n    \/\/ \u521d\u671f\u5316\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u521d\u671f\u5316\n    EffectiveInit(std::string n, int v, const double&amp; r)\n        : name(std::move(n))    \/\/ \u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306e\u6d3b\u7528\n        , value(v)              \/\/ \u57fa\u672c\u578b\u306e\u76f4\u63a5\u521d\u671f\u5316\n        , reference(r)          \/\/ \u53c2\u7167\u306e\u521d\u671f\u5316\n        , constValue(42)        \/\/ const \u30e1\u30f3\u30d0\u306e\u521d\u671f\u5316\n    {\n        \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u672c\u4f53\u306f\u7a7a\u3067\u3082OK\n    }\n\nprivate:\n    std::string name;\n    int value;\n    const double&amp; reference;\n    const int constValue;\n};<\/pre>\n\n\n\n<p><strong>\u521d\u671f\u5316\u30ea\u30b9\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30f3\u30d0\u5909\u6570\u306e\u5ba3\u8a00\u9806\u5e8f\u3068\u521d\u671f\u5316\u30ea\u30b9\u30c8\u306e\u9806\u5e8f\u3092\u4e00\u81f4\u3055\u305b\u308b<\/li>\n\n\n\n<li>\u53ef\u80fd\u306a\u9650\u308a\u5168\u3066\u306e\u30e1\u30f3\u30d0\u3092\u521d\u671f\u5316\u30ea\u30b9\u30c8\u3067\u521d\u671f\u5316\u3059\u308b<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u521d\u671f\u5316\u30ed\u30b8\u30c3\u30af\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u672c\u4f53\u306b\u8a18\u8ff0\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u91cd\u8981\u6027\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7834\u68c4\u3055\u308c\u308b\u969b\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u51e6\u7406\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u7279\u306b\u52d5\u7684\u306b\u78ba\u4fdd\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ResourceManager {\npublic:\n    ResourceManager() \n        : resource(new char[1024]) {\n        std::cout &lt;&lt; \"\u30ea\u30bd\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u307e\u3057\u305f\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    ~ResourceManager() {\n        cleanup();\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    ResourceManager(ResourceManager&amp;&amp; other) noexcept \n        : resource(other.resource) {\n        other.resource = nullptr;  \/\/ \u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u30ea\u30bd\u30fc\u30b9\u3092\u79fb\u52d5\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    ResourceManager&amp; operator=(ResourceManager&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            cleanup();  \/\/ \u65e2\u5b58\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\n            resource = other.resource;\n            other.resource = nullptr;\n        }\n        return *this;\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u3092\u7981\u6b62\n    ResourceManager(const ResourceManager&amp;) = delete;\n    ResourceManager&amp; operator=(const ResourceManager&amp;) = delete;\n\nprivate:\n    char* resource;\n\n    void cleanup() {\n        delete[] resource;\n        resource = nullptr;\n    }\n};<\/pre>\n\n\n\n<p><strong>RAII\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u8df5\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class FileHandler {\npublic:\n    FileHandler(const std::string&amp; filename) \n        : file(std::fopen(filename.c_str(), \"r\")) {\n        if (!file) {\n            throw std::runtime_error(\"\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3051\u307e\u305b\u3093\u3067\u3057\u305f\");\n        }\n    }\n\n    ~FileHandler() {\n        if (file) {\n            std::fclose(file);\n        }\n    }\n\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\n    bool readLine(std::string&amp; line) {\n        char buffer[256];\n        if (std::fgets(buffer, sizeof(buffer), file)) {\n            line = buffer;\n            return true;\n        }\n        return false;\n    }\n\nprivate:\n    std::FILE* file;\n};<\/pre>\n\n\n\n<p>\u521d\u671f\u5316\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>std::unique_ptr<\/code> \u3092\u4f7f\u7528\u3057\u305f\u6392\u4ed6\u7684\u6240\u6709\u6a29\u306e\u7ba1\u7406<\/li>\n\n\n\n<li><code>std::shared_ptr<\/code> \u3092\u4f7f\u7528\u3057\u305f\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306e\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u4f8b\u5916\u51e6\u7406<\/li>\n\n\n\n<li>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u4f8b\u5916\u3092\u6295\u3052\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306e\u9069\u5207\u306a\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u6a29\u79fb\u8ee2<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u306e\u56de\u907f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u78ba\u4fdd\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u89e3\u653e<\/li>\n\n\n\n<li>nullptr \u30c1\u30a7\u30c3\u30af\u306b\u3088\u308b\u4e8c\u91cd\u89e3\u653e\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u306a\u3044\u3001\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u591a\u614b\u6027\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u5358\u4e00\u7d99\u627f\u3068\u8907\u6570\u7d99\u627f\u306e\u4f7f\u3044\u3084\u3059\u3055<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u7d99\u627f\u306f\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306e\u6a5f\u80fd\u3092\u62e1\u5f35\u307e\u305f\u306f\u7279\u6b8a\u5316\u3059\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5358\u4e00\u7d99\u627f\u306e\u57fa\u672c\u5b9f\u88c5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u5e95\u30af\u30e9\u30b9\nclass Vehicle {\nprotected:\n    std::string brand;\n    int year;\n\npublic:\n    Vehicle(const std::string&amp; b, int y) \n        : brand(b), year(y) {}\n\n    virtual void startEngine() {\n        std::cout &lt;&lt; \"\u30a8\u30f3\u30b8\u30f3\u3092\u59cb\u52d5\u3057\u307e\u3059\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\n    virtual double calculateFuelEfficiency() const = 0;\n\n    virtual ~Vehicle() = default;\n};\n\n\/\/ \u6d3e\u751f\u30af\u30e9\u30b9\nclass Car : public Vehicle {\nprivate:\n    int numberOfDoors;\n\npublic:\n    Car(const std::string&amp; b, int y, int doors)\n        : Vehicle(b, y), numberOfDoors(doors) {}\n\n    void startEngine() override {\n        Vehicle::startEngine();  \/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u306e\u51e6\u7406\u3092\u547c\u3073\u51fa\u3057\n        std::cout &lt;&lt; \"\u8eca\u8f09\u30b7\u30b9\u30c6\u30e0\u3092\u8d77\u52d5\u3057\u307e\u3059\" &lt;&lt; std::endl;\n    }\n\n    double calculateFuelEfficiency() const override {\n        \/\/ \u8eca\u7a2e\u7279\u6709\u306e\u71c3\u8cbb\u8a08\u7b97\u30ed\u30b8\u30c3\u30af\n        return 15.5;  \/\/ km\/L\n    }\n};<\/pre>\n\n\n\n<p><strong>\u8907\u6570\u7d99\u627f\u306e\u5b9f\u88c5\u3068\u6ce8\u610f\u70b9<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b91\nclass ElectricPowered {\npublic:\n    virtual void chargeBattery() = 0;\n    virtual int getBatteryLevel() const = 0;\n    virtual ~ElectricPowered() = default;\n};\n\n\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b92\nclass PetrolPowered {\npublic:\n    virtual void refuelGas() = 0;\n    virtual int getFuelLevel() const = 0;\n    virtual ~PetrolPowered() = default;\n};\n\n\/\/ \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8eca\u30af\u30e9\u30b9\uff08\u8907\u6570\u7d99\u627f\uff09\nclass HybridCar : public Vehicle, public ElectricPowered, public PetrolPowered {\nprivate:\n    int batteryLevel;\n    int fuelLevel;\n\npublic:\n    HybridCar(const std::string&amp; b, int y)\n        : Vehicle(b, y), batteryLevel(100), fuelLevel(100) {}\n\n    \/\/ ElectricPowered\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\n    void chargeBattery() override {\n        batteryLevel = 100;\n        std::cout &lt;&lt; \"\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u5145\u96fb\u3057\u307e\u3057\u305f\" &lt;&lt; std::endl;\n    }\n\n    int getBatteryLevel() const override {\n        return batteryLevel;\n    }\n\n    \/\/ PetrolPowered\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\n    void refuelGas() override {\n        fuelLevel = 100;\n        std::cout &lt;&lt; \"\u7d66\u6cb9\u3057\u307e\u3057\u305f\" &lt;&lt; std::endl;\n    }\n\n    int getFuelLevel() const override {\n        return fuelLevel;\n    }\n\n    double calculateFuelEfficiency() const override {\n        \/\/ \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30b7\u30b9\u30c6\u30e0\u306e\u71c3\u8cbb\u8a08\u7b97\n        return 30.0;  \/\/ km\/L\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u4eee\u60f3\u95a2\u6570\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\uff08vtable\uff09\u306e\u7406\u89e3<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Shape {\npublic:\n    virtual double getArea() const = 0;\n    virtual double getPerimeter() const = 0;\n    virtual void draw() const = 0;\n    virtual ~Shape() = default;\n};\n\nclass Circle : public Shape {\nprivate:\n    double radius;\n\npublic:\n    explicit Circle(double r) : radius(r) {}\n\n    double getArea() const override {\n        return 3.14159 * radius * radius;\n    }\n\n    double getPerimeter() const override {\n        return 2 * 3.14159 * radius;\n    }\n\n    void draw() const override {\n        std::cout &lt;&lt; \"\u5186\u3092\u63cf\u753b: \u534a\u5f84 \" &lt;&lt; radius &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u306a\u51e6\u7406\nvoid processShape(const Shape&amp; shape) {\n    std::cout &lt;&lt; \"\u9762\u7a4d: \" &lt;&lt; shape.getArea() &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"\u5468\u56f2\u9577: \" &lt;&lt; shape.getPerimeter() &lt;&lt; std::endl;\n    shape.draw();\n}<\/pre>\n\n\n\n<p><strong>2. \u4eee\u60f3\u95a2\u6570\u306e\u5b9f\u884c\u6642\u30b3\u30b9\u30c8\u306e\u6700\u9069\u5316<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class GameObject {\npublic:\n    \/\/ \u30db\u30c3\u30c8\u30d1\u30b9\u4e0a\u306b\u3042\u308b\u95a2\u6570\u306f\u975e\u4eee\u60f3\u306b\n    void update() {\n        updatePosition();  \/\/ \u975e\u4eee\u60f3\u95a2\u6570\n        if (shouldUpdatePhysics()) {\n            updatePhysics();  \/\/ \u4eee\u60f3\u95a2\u6570\n        }\n    }\n\nprotected:\n    \/\/ \u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u51e6\u7406\u306f\u975e\u4eee\u60f3\u306b\n    void updatePosition() {\n        x += velocityX;\n        y += velocityY;\n    }\n\n    \/\/ \u6d3e\u751f\u30af\u30e9\u30b9\u3054\u3068\u306b\u7570\u306a\u308b\u51e6\u7406\u306f\u4eee\u60f3\u95a2\u6570\u306b\n    virtual void updatePhysics() = 0;\n    virtual bool shouldUpdatePhysics() const = 0;\n\nprivate:\n    double x, y;\n    double velocityX, velocityY;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u305f\u52b9\u679c\u7684\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. Strategy \u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass PaymentStrategy {\npublic:\n    virtual bool processPayment(double amount) = 0;\n    virtual ~PaymentStrategy() = default;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\nclass CreditCardPayment : public PaymentStrategy {\npublic:\n    bool processPayment(double amount) override {\n        std::cout &lt;&lt; \"\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u3067 \" &lt;&lt; amount &lt;&lt; \" \u5186\u3092\u6c7a\u6e08\" &lt;&lt; std::endl;\n        return true;\n    }\n};\n\nclass PayPalPayment : public PaymentStrategy {\npublic:\n    bool processPayment(double amount) override {\n        std::cout &lt;&lt; \"PayPal\u3067 \" &lt;&lt; amount &lt;&lt; \" \u5186\u3092\u6c7a\u6e08\" &lt;&lt; std::endl;\n        return true;\n    }\n};\n\n\/\/ \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30af\u30e9\u30b9\nclass ShoppingCart {\nprivate:\n    std::unique_ptr&lt;PaymentStrategy&gt; paymentStrategy;\n    double total;\n\npublic:\n    void setPaymentStrategy(std::unique_ptr&lt;PaymentStrategy&gt; strategy) {\n        paymentStrategy = std::move(strategy);\n    }\n\n    bool checkout() {\n        if (paymentStrategy) {\n            return paymentStrategy-&gt;processPayment(total);\n        }\n        return false;\n    }\n};<\/pre>\n\n\n\n<p><strong>2. Template Method \u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u62bd\u8c61\u57fa\u5e95\u30af\u30e9\u30b9\nclass DataProcessor {\npublic:\n    \/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\n    void processData() {\n        loadData();\n        validateData();\n        transform();\n        save();\n    }\n\nprotected:\n    virtual void loadData() = 0;\n    virtual void validateData() = 0;\n\n    \/\/ \u30d5\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\uff08\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5b9f\u88c5\uff09\n    virtual void transform() {\n        \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\n    }\n\n    virtual void save() = 0;\n};\n\n\/\/ \u5177\u8c61\u30af\u30e9\u30b9\nclass CSVProcessor : public DataProcessor {\nprotected:\n    void loadData() override {\n        std::cout &lt;&lt; \"CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\" &lt;&lt; std::endl;\n    }\n\n    void validateData() override {\n        std::cout &lt;&lt; \"CSV\u5f62\u5f0f\u3092\u691c\u8a3c\" &lt;&lt; std::endl;\n    }\n\n    void save() override {\n        std::cout &lt;&lt; \"\u51e6\u7406\u7d50\u679c\u3092CSV\u3067\u4fdd\u5b58\" &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<p>\u7d99\u627f\u3068\u591a\u614b\u6027\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u969b\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7d99\u627f\u306e\u4f7f\u7528\u5224\u65ad<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>is-a\u95a2\u4fc2\u304c\u6210\u308a\u7acb\u3064\u5834\u5408\u306e\u307f\u7d99\u627f\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u8907\u6570\u7d99\u627f\u306f\u614e\u91cd\u306b\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4eee\u60f3\u95a2\u6570\u306e\u9069\u5207\u306a\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e<\/li>\n\n\n\n<li>\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3068\u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u3044\u5206\u3051<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u306b\u5f93\u3046<\/li>\n\n\n\n<li>\u51dd\u96c6\u5ea6\u306e\u9ad8\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4f5c\u6210<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u591a\u614b\u6027\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u578b\u5b89\u5168\u306a\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u5bfe\u7b56<\/h3>\n\n\n\n<p>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306f\u3001\u30e2\u30c0\u30f3C++\u306b\u304a\u3051\u308b\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u4e2d\u6838\u3092\u62c5\u3046\u6a5f\u80fd\u3067\u3059\u3002\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u304e\u306a\u304c\u3089\u5b89\u5168\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. std::unique_ptr\u306e\u6d3b\u7528<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ResourceManager {\nprivate:\n    \/\/ \u6392\u4ed6\u7684\u6240\u6709\u6a29\u3092\u6301\u3064\u30ea\u30bd\u30fc\u30b9\n    std::unique_ptr&lt;Resource&gt; resource;\n\npublic:\n    ResourceManager()\n        : resource(std::make_unique&lt;Resource&gt;()) {}\n\n    void processResource() {\n        if (resource) {\n            resource-&gt;process();\n        }\n    }\n\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u79fb\u52d5\n    std::unique_ptr&lt;Resource&gt; transferOwnership() {\n        return std::move(resource);\n    }\n};\n\n\/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u95a2\u6570\u3067\u306e\u6d3b\u7528\u4f8b\nstd::unique_ptr&lt;Widget&gt; createWidget(const std::string&amp; type) {\n    if (type == \"basic\") {\n        return std::make_unique&lt;BasicWidget&gt;();\n    } else if (type == \"advanced\") {\n        return std::make_unique&lt;AdvancedWidget&gt;();\n    }\n    return nullptr;\n}<\/pre>\n\n\n\n<p><strong>2. std::shared_ptr\u3068weak_ptr\u306e\u4f7f\u7528<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Observer {\npublic:\n    virtual void onUpdate() = 0;\n    virtual ~Observer() = default;\n};\n\nclass Subject {\nprivate:\n    \/\/ \u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u3078\u306e\u53c2\u7167\u3092\u4fdd\u6301\n    std::vector&lt;std::weak_ptr&lt;Observer&gt;&gt; observers;\n\npublic:\n    void addObserver(std::shared_ptr&lt;Observer&gt; observer) {\n        observers.push_back(observer);\n    }\n\n    void notifyObservers() {\n        \/\/ \u671f\u9650\u5207\u308c\u306e\u53c2\u7167\u3092\u81ea\u52d5\u7684\u306b\u524a\u9664\n        observers.erase(\n            std::remove_if(observers.begin(), observers.end(),\n                [](const std::weak_ptr&lt;Observer&gt;&amp; obs) {\n                    return obs.expired();\n                }),\n            observers.end()\n        );\n\n        \/\/ \u6709\u52b9\u306a\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306b\u901a\u77e5\n        for (const auto&amp; weakObs : observers) {\n            if (auto obs = weakObs.lock()) {\n                obs-&gt;onUpdate();\n            }\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u7ba1\u7406<\/h3>\n\n\n\n<p>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class BigData {\nprivate:\n    std::unique_ptr&lt;std::vector&lt;double&gt;&gt; data;\n    size_t size;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    BigData(size_t n) \n        : data(std::make_unique&lt;std::vector&lt;double&gt;&gt;(n))\n        , size(n) {}\n\n    \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    BigData(BigData&amp;&amp; other) noexcept\n        : data(std::move(other.data))\n        , size(other.size) {\n        other.size = 0;\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    BigData&amp; operator=(BigData&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            data = std::move(other.data);\n            size = other.size;\n            other.size = 0;\n        }\n        return *this;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\n    std::vector&lt;double&gt; extractData() {\n        std::vector&lt;double&gt; result;\n        if (data) {\n            result = std::move(*data);\n            size = 0;\n        }\n        return result;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u6700\u9069\u5316<\/h3>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30d4\u30fc\u3068\u30e0\u30fc\u30d6\u64cd\u4f5c\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u30b3\u30d4\u30fc\u306e\u6700\u9069\u5316<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class OptimizedString {\nprivate:\n    static const size_t SHORT_STRING_BUFFER = 16;\n    union {\n        char* longStr;\n        char shortStr[SHORT_STRING_BUFFER];\n    };\n    size_t length;\n    bool isLong;\n\npublic:\n    \/\/ \u5c0f\u3055\u3044\u6587\u5b57\u5217\u306e\u5834\u5408\u306f\u30b9\u30bf\u30c3\u30af\u4e0a\u306b\u4fdd\u6301\n    OptimizedString(const char* str) {\n        length = strlen(str);\n        if (length &lt; SHORT_STRING_BUFFER) {\n            isLong = false;\n            strcpy(shortStr, str);\n        } else {\n            isLong = true;\n            longStr = new char[length + 1];\n            strcpy(longStr, str);\n        }\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    OptimizedString(const OptimizedString&amp; other) \n        : length(other.length)\n        , isLong(other.isLong) {\n        if (isLong) {\n            longStr = new char[length + 1];\n            strcpy(longStr, other.longStr);\n        } else {\n            memcpy(shortStr, other.shortStr, SHORT_STRING_BUFFER);\n        }\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    ~OptimizedString() {\n        if (isLong) {\n            delete[] longStr;\n        }\n    }\n};<\/pre>\n\n\n\n<p><strong>2. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class DataProcessor {\nprivate:\n    \/\/ \u30e1\u30f3\u30d0\u5909\u6570\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u6700\u9069\u5316\n    alignas(64) std::vector&lt;double&gt; data;\n    std::vector&lt;int&gt; indices;\n\npublic:\n    \/\/ \u4e8b\u524d\u4e88\u7d04\u306b\u3088\u308b\u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u306e\u9632\u6b62\n    void prepare(size_t size) {\n        data.reserve(size);\n        indices.reserve(size);\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ffd\u52a0\n    void addData(double value, int index) {\n        data.emplace_back(value);\n        indices.emplace_back(index);\n    }\n\n    \/\/ \u4e26\u5217\u51e6\u7406\u306e\u305f\u3081\u306e\u6700\u9069\u5316\n    void processInParallel() {\n        #pragma omp parallel for\n        for (size_t i = 0; i &lt; data.size(); ++i) {\n            data[i] = std::pow(data[i], 2.0);\n        }\n    }\n};<\/pre>\n\n\n\n<p><strong>\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30d7\u30fc\u30eb\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   template&lt;typename T&gt;\n   class PoolAllocator {\n   private:\n       std::vector&lt;T*&gt; freeList;\n       static constexpr size_t POOL_SIZE = 1000;\n\n   public:\n       T* allocate() {\n           if (freeList.empty()) {\n               \/\/ \u30d7\u30fc\u30eb\u306b\u65b0\u3057\u3044\u30d6\u30ed\u30c3\u30af\u3092\u8ffd\u52a0\n               expandPool();\n           }\n           T* ptr = freeList.back();\n           freeList.pop_back();\n           return ptr;\n       }\n\n       void deallocate(T* ptr) {\n           freeList.push_back(ptr);\n       }\n\n   private:\n       void expandPool() {\n           for (size_t i = 0; i &lt; POOL_SIZE; ++i) {\n               freeList.push_back(new T());\n           }\n       }\n   };<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   class CacheOptimized {\n   private:\n       static constexpr size_t CACHE_LINE = 64;\n       alignas(CACHE_LINE) std::array&lt;double, 1024&gt; data;\n\n   public:\n       void process() {\n           \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u3092\u8003\u616e\u3057\u305f\u30b9\u30c8\u30e9\u30a4\u30c9\n           for (size_t i = 0; i &lt; data.size(); i += CACHE_LINE\/sizeof(double)) {\n               \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n           }\n       }\n   };<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAII\u539f\u5247\u306e\u5fb9\u5e95<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u6280\u8853\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u5b89\u5168\u306a\u30e1\u30e2\u30ea\u7ba1\u7406\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u9ad8\u5ea6\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u6c4e\u7528\u30af\u30e9\u30b9\u306e\u4f5c\u6210\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u578b\u306b\u4f9d\u5b58\u3057\u306a\u3044\u6c4e\u7528\u7684\u306a\u30af\u30e9\u30b9\u3092\u8a2d\u8a08\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u57fa\u672c\u7684\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30af\u30e9\u30b9<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T&gt;\nclass Container {\nprivate:\n    std::vector&lt;T&gt; elements;\n\npublic:\n    void add(const T&amp; element) {\n        elements.push_back(element);\n    }\n\n    void add(T&amp;&amp; element) {\n        elements.push_back(std::move(element));\n    }\n\n    const T&amp; get(size_t index) const {\n        if (index &gt;= elements.size()) {\n            throw std::out_of_range(\"\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u7bc4\u56f2\u5916\u3067\u3059\");\n        }\n        return elements[index];\n    }\n\n    \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u30b5\u30dd\u30fc\u30c8\n    auto begin() { return elements.begin(); }\n    auto end() { return elements.end(); }\n    auto begin() const { return elements.begin(); }\n    auto end() const { return elements.end(); }\n};<\/pre>\n\n\n\n<p><strong>2. \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u7279\u6b8a\u5316<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d7\u30e9\u30a4\u30de\u30ea\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\ntemplate&lt;typename T&gt;\nclass TypeHandler {\npublic:\n    static std::string getTypeName() {\n        return \"unknown\";\n    }\n};\n\n\/\/ int\u578b\u306e\u7279\u6b8a\u5316\ntemplate&lt;&gt;\nclass TypeHandler&lt;int&gt; {\npublic:\n    static std::string getTypeName() {\n        return \"integer\";\n    }\n};\n\n\/\/ std::string\u578b\u306e\u7279\u6b8a\u5316\ntemplate&lt;&gt;\nclass TypeHandler&lt;std::string&gt; {\npublic:\n    static std::string getTypeName() {\n        return \"string\";\n    }\n};<\/pre>\n\n\n\n<p><strong>3. \u53ef\u5909\u5f15\u6570\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename... Args&gt;\nclass EventDispatcher {\nprivate:\n    std::function&lt;void(Args...)&gt; handler;\n\npublic:\n    void setHandler(const std::function&lt;void(Args...)&gt;&amp; h) {\n        handler = h;\n    }\n\n    void dispatch(Args... args) {\n        if (handler) {\n            handler(std::forward&lt;Args&gt;(args)...);\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nEventDispatcher&lt;int, std::string&gt; dispatcher;\ndispatcher.setHandler([](int id, const std::string&amp; message) {\n    std::cout &lt;&lt; \"ID: \" &lt;&lt; id &lt;&lt; \", Message: \" &lt;&lt; message &lt;&lt; std::endl;\n});\ndispatcher.dispatch(1, \"Hello\");<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3068\u30d5\u30ec\u30f3\u30c9\u30af\u30e9\u30b9\u306e\u9069\u5207\u306a\u4f7f\u7528\u6cd5<\/h3>\n\n\n\n<p>\u30d5\u30ec\u30f3\u30c9\u6a5f\u80fd\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u7279\u5b9a\u306e\u30af\u30e9\u30b9\u3084\u95a2\u6570\u306b\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Matrix {\nprivate:\n    std::vector&lt;std::vector&lt;double&gt;&gt; data;\n\n    \/\/ \u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u306e\u5ba3\u8a00\n    friend Matrix operator+(const Matrix&amp; lhs, const Matrix&amp; rhs);\n\n    \/\/ \u30d5\u30ec\u30f3\u30c9\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\n    friend class MatrixSerializer;\n\npublic:\n    Matrix(size_t rows, size_t cols) \n        : data(rows, std::vector&lt;double&gt;(cols, 0.0)) {}\n\n    double&amp; at(size_t row, size_t col) {\n        return data[row][col];\n    }\n\n    const double&amp; at(size_t row, size_t col) const {\n        return data[row][col];\n    }\n};\n\n\/\/ \u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u306e\u5b9f\u88c5\nMatrix operator+(const Matrix&amp; lhs, const Matrix&amp; rhs) {\n    \/\/ private \u30e1\u30f3\u30d0\u30fc\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    Matrix result(lhs.data.size(), lhs.data[0].size());\n    for (size_t i = 0; i &lt; lhs.data.size(); ++i) {\n        for (size_t j = 0; j &lt; lhs.data[0].size(); ++j) {\n            result.data[i][j] = lhs.data[i][j] + rhs.data[i][j];\n        }\n    }\n    return result;\n}\n\n\/\/ \u30d5\u30ec\u30f3\u30c9\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\nclass MatrixSerializer {\npublic:\n    static void serialize(const Matrix&amp; matrix, const std::string&amp; filename) {\n        \/\/ private \u30e1\u30f3\u30d0\u30fc\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n        std::ofstream file(filename);\n        for (const auto&amp; row : matrix.data) {\n            for (double value : row) {\n                file &lt;&lt; value &lt;&lt; \" \";\n            }\n            file &lt;&lt; \"\\n\";\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u4f8b\u5916\u51e6\u7406\u3092\u8003\u616e\u3057\u305f\u5b89\u5168\u306a\u30af\u30e9\u30b9\u8a2d\u8a08<\/h3>\n\n\n\n<p>\u4f8b\u5916\u5b89\u5168\u6027\u3092\u8003\u616e\u3057\u305f\u30af\u30e9\u30b9\u8a2d\u8a08\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u4e0a\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u4f8b\u5916\u5b89\u5168\u6027\u306e\u57fa\u672c\u539f\u5247<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ResourceHolder {\nprivate:\n    std::unique_ptr&lt;Resource&gt; resource;\n    std::vector&lt;Data&gt; dataItems;\n\npublic:\n    \/\/ \u5f37\u3044\u4f8b\u5916\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3059\u308b\u30e1\u30bd\u30c3\u30c9\n    void addItem(const Data&amp; item) {\n        \/\/ \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u4f8b\u5916\u5b89\u5168\u6027\u3092\u78ba\u4fdd\n        auto tempData = dataItems;\n        tempData.push_back(item);\n\n        \/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\u304c\u6210\u529f\u3057\u305f\u5f8c\u3067\n        \/\/ \u5143\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\n        dataItems = std::move(tempData);\n    }\n\n    \/\/ \u57fa\u672c\u7684\u306a\u4f8b\u5916\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3059\u308b\u30e1\u30bd\u30c3\u30c9\n    void processItems() {\n        for (auto&amp; item : dataItems) {\n            try {\n                item.process();\n            } catch (const std::exception&amp; e) {\n                \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u8a18\u9332\n                std::cerr &lt;&lt; \"\u51e6\u7406\u30a8\u30e9\u30fc: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n                \/\/ \u90e8\u5206\u7684\u306b\u51e6\u7406\u3092\u7d99\u7d9a\n                continue;\n            }\n        }\n    }\n};<\/pre>\n\n\n\n<p><strong>2. RAII \u3068\u4f8b\u5916\u51e6\u7406\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Transaction {\nprivate:\n    Database&amp; db;\n    bool committed;\n\npublic:\n    explicit Transaction(Database&amp; database) \n        : db(database), committed(false) {\n        db.beginTransaction();\n    }\n\n    void commit() {\n        db.commit();\n        committed = true;\n    }\n\n    ~Transaction() {\n        if (!committed) {\n            try {\n                db.rollback();\n            } catch (...) {\n                \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306f\u4f8b\u5916\u3092\u6291\u5236\n                std::cerr &lt;&lt; \"\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\" &lt;&lt; std::endl;\n            }\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid performDatabaseOperation(Database&amp; db) {\n    Transaction tx(db);  \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\n\n    try {\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\n        db.execute(\"INSERT INTO ...\");\n        db.execute(\"UPDATE ...\");\n\n        tx.commit();  \/\/ \u6210\u529f\u6642\u306b\u30b3\u30df\u30c3\u30c8\n    } catch (...) {\n        \/\/ \u4f8b\u5916\u767a\u751f\u6642\u306f\u81ea\u52d5\u7684\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\n        throw;\n    }\n}<\/pre>\n\n\n\n<p><strong>3. \u4f8b\u5916\u4e2d\u7acb\u7684\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30af\u30e9\u30b9<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T&gt;\nclass SafeContainer {\nprivate:\n    std::vector&lt;T&gt; elements;\n    mutable std::mutex mutex;\n\npublic:\n    \/\/ \u4f8b\u5916\u4e2d\u7acb\u7684\u306a\u8ffd\u52a0\u64cd\u4f5c\n    void add(const T&amp; element) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        elements.push_back(element);  \/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u3082mutex\u306f\u9069\u5207\u306b\u89e3\u653e\u3055\u308c\u308b\n    }\n\n    \/\/ noexcept\u30e1\u30bd\u30c3\u30c9\n    bool empty() const noexcept {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        return elements.empty();\n    }\n\n    \/\/ \u6761\u4ef6\u4ed8\u304dnoexcept\n    template&lt;typename U = T&gt;\n    typename std::enable_if&lt;std::is_nothrow_move_constructible&lt;U&gt;::value, U&gt;::type\n    removeFirst() noexcept {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        if (elements.empty()) {\n            return U{};\n        }\n\n        U result = std::move(elements.front());\n        elements.erase(elements.begin());\n        return result;\n    }\n};<\/pre>\n\n\n\n<p>\u9ad8\u5ea6\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u578b\u306e\u62bd\u8c61\u5316\u306b\u3088\u308b\u518d\u5229\u7528\u6027\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u7279\u6b8a\u5316\u306b\u3088\u308b\u578b\u56fa\u6709\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>SFINAE \u3084\u30b3\u30f3\u30bb\u30d7\u30c8\u306b\u3088\u308b\u5236\u7d04\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d5\u30ec\u30f3\u30c9\u6a5f\u80fd\u306e\u9069\u5207\u306a\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u7834\u58ca\u3057\u306a\u3044\u7bc4\u56f2\u3067\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u4ed8\u4e0e<\/li>\n\n\n\n<li>\u660e\u78ba\u306a\u4f7f\u7528\u76ee\u7684\u306e\u5b9a\u7fa9<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAII \u30d1\u30bf\u30fc\u30f3\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u5f37\u3044\u4f8b\u5916\u4fdd\u8a3c\u3068\u57fa\u672c\u7684\u306a\u4f8b\u5916\u4fdd\u8a3c\u306e\u4f7f\u3044\u5206\u3051<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u30af\u30e9\u30b9\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">SOLID\u306e\u539f\u5247\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u8a2d\u8a08\u624b\u6cd5<\/h3>\n\n\n\n<p>SOLID\u306e\u5404\u539f\u5247\u3092\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\uff08Single Responsibility Principle\uff09<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u60aa\u3044\u4f8b\nclass UserManager {\npublic:\n    void createUser(const std::string&amp; name) { \/* ... *\/ }\n    void saveToDatabase(const User&amp; user) { \/* ... *\/ }\n    void sendEmail(const User&amp; user) { \/* ... *\/ }\n    void generateReport() { \/* ... *\/ }\n};\n\n\/\/ \u826f\u3044\u4f8b\nclass UserManager {\npublic:\n    void createUser(const std::string&amp; name) { \/* ... *\/ }\n};\n\nclass UserRepository {\npublic:\n    void save(const User&amp; user) { \/* ... *\/ }\n};\n\nclass EmailService {\npublic:\n    void sendWelcomeEmail(const User&amp; user) { \/* ... *\/ }\n};\n\nclass ReportGenerator {\npublic:\n    void generateUserReport() { \/* ... *\/ }\n};<\/pre>\n\n\n\n<p><strong>2. \u30aa\u30fc\u30d7\u30f3\u30fb\u30af\u30ed\u30fc\u30ba\u30c9\u306e\u539f\u5247\uff08Open-Closed Principle\uff09<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass Shape {\npublic:\n    virtual double calculateArea() const = 0;\n    virtual ~Shape() = default;\n};\n\n\/\/ \u65b0\u3057\u3044\u56f3\u5f62\u3092\u8ffd\u52a0\u3057\u3066\u3082Shape\u30af\u30e9\u30b9\u306f\u5909\u66f4\u4e0d\u8981\nclass Circle : public Shape {\nprivate:\n    double radius;\n\npublic:\n    explicit Circle(double r) : radius(r) {}\n\n    double calculateArea() const override {\n        return 3.14159 * radius * radius;\n    }\n};\n\nclass Rectangle : public Shape {\nprivate:\n    double width;\n    double height;\n\npublic:\n    Rectangle(double w, double h) : width(w), height(h) {}\n\n    double calculateArea() const override {\n        return width * height;\n    }\n};<\/pre>\n\n\n\n<p><strong>3. \u30ea\u30b9\u30b3\u30d5\u306e\u7f6e\u63db\u539f\u5247\uff08Liskov Substitution Principle\uff09<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Bird {\npublic:\n    virtual void eat() = 0;\n    virtual ~Bird() = default;\n};\n\nclass FlyingBird : public Bird {\npublic:\n    virtual void fly() = 0;\n};\n\nclass Sparrow : public FlyingBird {\npublic:\n    void eat() override { \/* ... *\/ }\n    void fly() override { \/* ... *\/ }\n};\n\nclass Penguin : public Bird {  \/\/ FlyingBird\u306f\u7d99\u627f\u3057\u306a\u3044\npublic:\n    void eat() override { \/* ... *\/ }\n};\n\n\/\/ \u6b63\u3057\u3044\u4f7f\u7528\u4f8b\nvoid feedBird(Bird&amp; bird) {\n    bird.eat();  \/\/ \u5168\u3066\u306e\u9ce5\u3067\u5b89\u5168\u306b\u52d5\u4f5c\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u4f9d\u5b58\u6027\u6ce8\u5165\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5206\u96e2\u306e\u5b9f\u8df5<\/h3>\n\n\n\n<p>\u4f9d\u5b58\u6027\u6ce8\u5165\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5206\u96e2\u3092\u5b9f\u8df5\u7684\u306b\u9069\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u4f9d\u5b58\u6027\u6ce8\u5165\u306e\u5b9f\u88c5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass Logger {\npublic:\n    virtual void log(const std::string&amp; message) = 0;\n    virtual ~Logger() = default;\n};\n\nclass FileLogger : public Logger {\npublic:\n    void log(const std::string&amp; message) override {\n        \/\/ \u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30ed\u30b0\u51fa\u529b\n    }\n};\n\nclass ConsoleLogger : public Logger {\npublic:\n    void log(const std::string&amp; message) override {\n        std::cout &lt;&lt; message &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u4f9d\u5b58\u6027\u6ce8\u5165\u3092\u4f7f\u7528\u3059\u308b\u30af\u30e9\u30b9\nclass OrderProcessor {\nprivate:\n    std::shared_ptr&lt;Logger&gt; logger;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\n    explicit OrderProcessor(std::shared_ptr&lt;Logger&gt; log)\n        : logger(std::move(log)) {}\n\n    void processOrder(const Order&amp; order) {\n        \/\/ \u6ce8\u6587\u51e6\u7406\n        logger-&gt;log(\"\u6ce8\u6587\u51e6\u7406\u5b8c\u4e86: \" + order.getId());\n    }\n};<\/pre>\n\n\n\n<p><strong>2. \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5206\u96e2\u306e\u5b9f\u8df5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5927\u304d\u3059\u304e\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\uff09\nclass Worker {\npublic:\n    virtual void work() = 0;\n    virtual void eat() = 0;\n    virtual void sleep() = 0;\n    virtual void calculateSalary() = 0;\n    virtual void reportHours() = 0;\n    virtual void takeVacation() = 0;\n};\n\n\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5206\u96e2\u306e\u9069\u7528\nclass Workable {\npublic:\n    virtual void work() = 0;\n    virtual ~Workable() = default;\n};\n\nclass Payable {\npublic:\n    virtual void calculateSalary() = 0;\n    virtual void reportHours() = 0;\n    virtual ~Payable() = default;\n};\n\nclass Employee : public Workable, public Payable {\npublic:\n    void work() override { \/* ... *\/ }\n    void calculateSalary() override { \/* ... *\/ }\n    void reportHours() override { \/* ... *\/ }\n};\n\n\/\/ \u5951\u7d04\u793e\u54e1\u306f\u7d66\u4e0e\u8a08\u7b97\u304c\u7570\u306a\u308b\nclass Contractor : public Workable {\npublic:\n    void work() override { \/* ... *\/ }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u3088\u304f\u3042\u308b\u8a2d\u8a08\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u8a2d\u8a08\u30df\u30b9\u3068\u305d\u306e\u5bfe\u7b56\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u30e1\u30f3\u30d0\u5909\u6570\u306e\u904e\u5270\u306a\u516c\u958b<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\nclass User {\npublic:\n    std::string name;  \/\/ \u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    int age;           \/\/ \u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass User {\nprivate:\n    std::string name;\n    int age;\n\npublic:\n    \/\/ \u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\n    const std::string&amp; getName() const { return name; }\n    void setName(const std::string&amp; n) { name = n; }\n\n    int getAge() const { return age; }\n    void setAge(int a) {\n        if (a &gt;= 0) {  \/\/ \u5024\u306e\u691c\u8a3c\n            age = a;\n        }\n    }\n};<\/pre>\n\n\n\n<p><strong>2. \u4e0d\u9069\u5207\u306a\u30b3\u30d4\u30fc\/\u30e0\u30fc\u30d6\u610f\u5473\u8ad6<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\nclass ResourceManager {\nprivate:\n    Resource* resource;\npublic:\n    ResourceManager() : resource(new Resource()) {}\n    ~ResourceManager() { delete resource; }\n    \/\/ \u30b3\u30d4\u30fc\/\u30e0\u30fc\u30d6\u6f14\u7b97\u5b50\u304c\u672a\u5b9a\u7fa9\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass ResourceManager {\nprivate:\n    std::unique_ptr&lt;Resource&gt; resource;\npublic:\n    ResourceManager() : resource(std::make_unique&lt;Resource&gt;()) {}\n\n    \/\/ \u30b3\u30d4\u30fc\u3092\u7981\u6b62\n    ResourceManager(const ResourceManager&amp;) = delete;\n    ResourceManager&amp; operator=(const ResourceManager&amp;) = delete;\n\n    \/\/ \u30e0\u30fc\u30d6\u3092\u8a31\u53ef\n    ResourceManager(ResourceManager&amp;&amp;) = default;\n    ResourceManager&amp; operator=(ResourceManager&amp;&amp;) = default;\n};<\/pre>\n\n\n\n<p><strong>3. \u4e0d\u9069\u5207\u306a\u7d99\u627f\u95a2\u4fc2<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\nclass Array {\npublic:\n    virtual void add(int element) { \/* ... *\/ }\n};\n\nclass Stack : public Array {  \/\/ is-a\u95a2\u4fc2\u304c\u6210\u7acb\u3057\u306a\u3044\n    \/\/ Array \u306e\u5b9f\u88c5\u3092\u518d\u5229\u7528\u3057\u305f\u3044\u3060\u3051\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass Stack {\nprivate:\n    std::vector&lt;int&gt; elements;  \/\/ \u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\npublic:\n    void push(int element) {\n        elements.push_back(element);\n    }\n};<\/pre>\n\n\n\n<p>\u30af\u30e9\u30b9\u8a2d\u8a08\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5fb9\u5e95<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30f3\u30d0\u5909\u6570\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\u306e\u63d0\u4f9b<\/li>\n\n\n\n<li>\u4e0d\u5909\u6761\u4ef6\u306e\u4fdd\u6301<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u660e\u78ba\u3067\u4f7f\u3044\u3084\u3059\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n\n\n\n<li>\u6700\u5c0f\u9650\u306e\u516c\u958b\u30e1\u30f3\u30d0<\/li>\n\n\n\n<li>\u4e00\u8cab\u6027\u306e\u3042\u308b\u547d\u540d\u898f\u5247<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>RAII\u539f\u5247\u306e\u9075\u5b88<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30b3\u30d4\u30fc\/\u30e0\u30fc\u30d6\u610f\u5473\u8ad6\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u5165\u529b\u5024\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u72b6\u614b\u306e\u9069\u5207\u306a\u4f1d\u64ad<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c8\u5bb9\u6613\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f9d\u5b58\u6027\u6ce8\u5165\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e2\u30c3\u30af\u53ef\u80fd\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n\n\n\n<li>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u306e\u9075\u5b88<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; 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