{"id":790,"date":"2024-11-18T15:50:03","date_gmt":"2024-11-18T06:50:03","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=790"},"modified":"2025-03-24T08:52:50","modified_gmt":"2025-03-23T23:52:50","slug":"%e3%80%90java%e5%85%a5%e9%96%80%e3%80%91%e5%88%97%e6%8c%99%e5%9e%8benum%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%81%e5%9f%ba%e7%a4%8e%e3%81%8b%e3%82%89","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=790","title":{"rendered":"\u3010Java\u5165\u9580\u3011\u5217\u6319\u578b(enum)\u306e\u4f7f\u3044\u65b9\u5b8c\u5168\u30ac\u30a4\u30c9\uff01\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u307e\u30677\u3064\u306e\u6d3b\u7528\u8853"},"content":{"rendered":"<div id=\"sgb-css-id-1\">\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\">\u306f\u3058\u3081\u306b<\/a>  <\/li>  <li>    <a href=\"#i-1\">\uff11\uff0eJava\u306e\u5217\u6319\u578b\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">1.1 \u5217\u6319\u578b\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u554f\u984c\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">1.2 \u306a\u305c\u5217\u6319\u578b\u3092\u4f7f\u3046\u3079\u304d\u306a\u306e\u304b\uff1f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\uff12\uff0e\u5217\u6319\u578b\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u30b7\u30f3\u30bf\u30c3\u30af\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">2.1 \u5217\u6319\u578b\u306e\u5ba3\u8a00\u65b9\u6cd5\u3068\u57fa\u672c\u69cb\u6587<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">2.2 \u5217\u6319\u5b9a\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-21\">\uff13\uff0e\u5217\u6319\u578b\u306e7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-22\">3.1 \u5b9a\u6570\u30b0\u30eb\u30fc\u30d7\u306e\u7ba1\u7406\u306b\u3088\u308b\u53ef\u8aad\u6027\u306e\u5411\u4e0a<\/a>      <\/li>      <li>        <a href=\"#i-25\">3.2 switch\u6587\u3067\u306e\u52b9\u7387\u7684\u306a\u6761\u4ef6\u5206\u5c90<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-28\">3.3 \u5024\u3068\u632f\u308b\u821e\u3044\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305fEnum\u6d3b\u7528<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-32\">\uff14\uff0e\u5217\u6319\u578b\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3068\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-33\">4.1 \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u67d4\u8edf\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-36\">4.2 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\u306b\u3088\u308b\u6a5f\u80fd\u62e1\u5f35<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-39\">\uff15\uff0e\u5b9f\u52d9\u3067\u306e\u5217\u6319\u578b\u6d3b\u7528\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-40\">5.1 \u4fdd\u5b88\u6027\u3092\u9ad8\u3081\u308bEnum\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-45\">5.2 \u3088\u304f\u3042\u308b\u8a2d\u8a08\u30df\u30b9\u3068\u56de\u907f\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-50\">\uff16\uff0e\u5217\u6319\u578b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5225\u5b9f\u88c5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-51\">6.1 \u30b9\u30c6\u30fc\u30bf\u30b9\u7ba1\u7406\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-53\">6.2 \u8a2d\u5b9a\u5024\u306e\u7ba1\u7406\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-55\">\uff17\uff0e\u307e\u3068\u3081\uff1a\u5217\u6319\u578b\u30de\u30b9\u30bf\u30fc\u3078\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-56\">7.1 \u5217\u6319\u578b\u6d3b\u7528\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-59\">7.2 \u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u306e\u7d39\u4ecb<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-64\">\u307e\u3068\u3081<\/a>  <\/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\">\u306f\u3058\u3081\u306b<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-2\">\n<p>Java\u3067\u5805\u7262\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u4e0a\u3067\u3001\u5217\u6319\u578b\uff08enum\uff09\u306e\u7406\u89e3\u306f\u5fc5\u9808\u306e\u30b9\u30ad\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u300cenum\u3092\u4f7f\u3046\u3079\u304d\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u308f\u304b\u3089\u306a\u3044\u300d\u300c\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3057\u304b\u77e5\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u58f0\u3092\u3088\u304f\u8033\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-3\">\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5217\u6319\u578b\u306e\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3001\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u4ea4\u3048\u3066\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u306e\u65b9\u306b\u306f\u57fa\u672c\u3092\u3057\u3063\u304b\u308a\u62bc\u3055\u3048\u3066\u3044\u305f\u3060\u304d\u3001\u4e2d\u7d1a\u8005\u30fb\u4e0a\u7d1a\u8005\u306e\u65b9\u306b\u306f\u5b9f\u52d9\u3067\u4f7f\u3048\u308b\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7fd2\u5f97\u3057\u3066\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-8\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u672c\u8a18\u4e8b\u3067\u5b66\u3079\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-4\">\n<li>\u5217\u6319\u578b\u306e\u57fa\u672c\u6982\u5ff5\u3068\u5229\u70b9<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-5\">\n<li>\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3068\u6d3b\u7528\u4f8b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-6\">\n<li>\u5b9f\u52d9\u3067\u306e\u8a2d\u8a08\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-7\">\n<li>\u3088\u304f\u3042\u308b\u8a2d\u8a08\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5<\/li>\n<\/div>\n\n\n<li>\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5225\u306e\u5b9f\u88c5\u4f8b<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-9\">\n<p>\u3067\u306f\u3001Java\u306e\u5217\u6319\u578b\u306b\u3064\u3044\u3066\u3001\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3001\u9806\u3092\u8ffd\u3063\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-10\">\n<h2 class=\"wp-block-heading\" id=\"i-1\">\uff11\uff0eJava\u306e\u5217\u6319\u578b\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-11\">\n<p>\u5217\u6319\u578b\uff08enum\uff09\u306f\u3001<strong>\u95a2\u9023\u3059\u308b\u5b9a\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u30af\u30e9\u30b9<\/strong>\u3067\u3059\u3002Java 5.0\u3067\u5c0e\u5165\u3055\u308c\u305f\u3053\u306e\u6a5f\u80fd\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u53ef\u8aad\u6027\u3068\u578b\u5b89\u5168\u6027\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-12\">\n<h3 class=\"wp-block-heading\" id=\"i-2\">1.1 \u5217\u6319\u578b\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u554f\u984c\u70b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-13\">\n<h4 class=\"wp-block-heading\" id=\"i-3\">1. \u5b9a\u6570\u7ba1\u7406\u306e\u554f\u984c<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-14\">\n<p>\u5f93\u6765\u306e\u5b9a\u6570\u5b9a\u7fa9\uff08<code>public static final<\/code>\uff09\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<\/div>\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=\"\">\/\/ \u5f93\u6765\u306e\u5b9a\u6570\u5b9a\u7fa9\u65b9\u6cd5\npublic class UserStatus {\n    public static final int ACTIVE = 1;\n    public static final int INACTIVE = 2;\n    public static final int SUSPENDED = 3;\n}<\/pre>\n\n\n<div id=\"sgb-css-id-15\">\n<p>\u3053\u306e\u65b9\u6cd5\u306b\u306f\u4ee5\u4e0b\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-16\">\n<p>\u3000\u25cf \u578b\u306e\u5b89\u5168\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\uff08int\u578b\u306a\u3089\u4f55\u3067\u3082\u4ee3\u5165\u53ef\u80fd\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-17\">\n<p>\u3000\u25cf \u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u5b9a\u6570\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3067\u304d\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-18\">\n<p>\u3000\u25cf \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u578b\u30c1\u30a7\u30c3\u30af\u304c\u4e0d\u5341\u5206<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-19\">\n<h4 class=\"wp-block-heading\" id=\"i-4\">2. \u30b3\u30fc\u30c9\u306e\u5b89\u5168\u6027\u306e\u554f\u984c<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-20\">\n<p>\u5f93\u6765\u306e\u65b9\u6cd5\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d0\u30b0\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u72b6\u6cc1\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<\/div>\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=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\u4f8b\nint status = 4; \/\/ \u5b58\u5728\u3057\u306a\u3044\u5024\u3067\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\nif (status == UserStatus.ACTIVE) { \/* ... *\/ }<\/pre>\n\n\n<div id=\"sgb-css-id-21\">\n<h4 class=\"wp-block-heading\" id=\"i-5\">3. \u62e1\u5f35\u6027\u306e\u554f\u984c<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-22\">\n<p>\u5b9a\u6570\u306b\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u3084\u632f\u308b\u821e\u3044\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u3001\u30b3\u30fc\u30c9\u304c\u8907\u96d1\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-23\">\n<h3 class=\"wp-block-heading\" id=\"i-6\">1.2 \u306a\u305c\u5217\u6319\u578b\u3092\u4f7f\u3046\u3079\u304d\u306a\u306e\u304b\uff1f<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-24\">\n<p>\u5217\u6319\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e0a\u8a18\u306e\u554f\u984c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\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=\"\">\/\/ \u5217\u6319\u578b\u306b\u3088\u308b\u5b9a\u7fa9\npublic enum UserStatus {\n    ACTIVE,    \/\/ \u6d3b\u52d5\u4e2d\n    INACTIVE,  \/\/ \u975e\u6d3b\u52d5\n    SUSPENDED  \/\/ \u4e00\u6642\u505c\u6b62\n}<\/pre>\n\n\n<div id=\"sgb-css-id-25\">\n<h4 class=\"wp-block-heading\" id=\"i-7\">\u5217\u6319\u578b\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-26\">\n<p>\u30001. <strong>\u578b\u5b89\u5168\u6027\u306e\u4fdd\u8a3c<\/strong><\/p>\n<\/div>\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=\"\">   UserStatus status = UserStatus.ACTIVE; \/\/ OK\n   UserStatus invalid = 4; \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc<\/pre>\n\n\n<div id=\"sgb-css-id-27\">\n<p>\u30002. <strong>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u5411\u4e0a<\/strong><\/p>\n<\/div>\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=\"\">   \/\/ switch\u6587\u3068\u306e\u76f8\u6027\u304c\u826f\u3044\n   switch (status) {\n       case ACTIVE:\n           System.out.println(\"\u30e6\u30fc\u30b6\u30fc\u306f\u6d3b\u52d5\u4e2d\u3067\u3059\");\n           break;\n       case INACTIVE:\n           System.out.println(\"\u30e6\u30fc\u30b6\u30fc\u306f\u975e\u6d3b\u52d5\u3067\u3059\");\n           break;\n       case SUSPENDED:\n           System.out.println(\"\u30e6\u30fc\u30b6\u30fc\u306f\u4e00\u6642\u505c\u6b62\u4e2d\u3067\u3059\");\n           break;\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-28\">\n<p>\u30003. <strong>\u6a5f\u80fd\u62e1\u5f35\u304c\u5bb9\u6613<\/strong><\/p>\n<\/div>\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=\"\">   public enum UserStatus {\n       ACTIVE(\"\u6d3b\u52d5\u4e2d\"),\n       INACTIVE(\"\u975e\u6d3b\u52d5\"),\n       SUSPENDED(\"\u4e00\u6642\u505c\u6b62\");\n\n       private final String japaneseDescription;\n\n       UserStatus(String japaneseDescription) {\n           this.japaneseDescription = japaneseDescription;\n       }\n\n       public String getJapaneseDescription() {\n           return japaneseDescription;\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-29\">\n<p>\u30004. <strong>\u5217\u6319\u5b9a\u6570\u306e\u4e00\u89a7\u53d6\u5f97\u304c\u53ef\u80fd<\/strong><\/p>\n<\/div>\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=\"\">   \/\/ \u5168\u3066\u306e\u5b9a\u6570\u3092\u53d6\u5f97\n   UserStatus[] allStatuses = UserStatus.values();\n   for (UserStatus status : allStatuses) {\n       System.out.println(status.name() + \": \" + status.getJapaneseDescription());\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-30\">\n<p>\u5217\u6319\u578b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-31\">\n<p>\u3000\u25cf \u56fa\u5b9a\u3055\u308c\u305f\u9078\u629e\u80a2\u3092\u8868\u73fe\u3059\u308b\u5834\u5408\uff08\u66dc\u65e5\u3001\u6708\u3001\u65b9\u89d2\u306a\u3069\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-32\">\n<p>\u3000\u25cf \u30b9\u30c6\u30fc\u30bf\u30b9\u3084\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\u5834\u5408<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\u5024\u3092\u7ba1\u7406\u3059\u308b\u5834\u5408<\/p>\n\n\n<div id=\"sgb-css-id-33\">\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u5217\u6319\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5168\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5217\u6319\u578b\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-34\">\n<h2 class=\"wp-block-heading\" id=\"i-8\">\uff12\uff0e\u5217\u6319\u578b\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u30b7\u30f3\u30bf\u30c3\u30af\u30b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-35\">\n<h3 class=\"wp-block-heading\" id=\"i-9\">2.1 \u5217\u6319\u578b\u306e\u5ba3\u8a00\u65b9\u6cd5\u3068\u57fa\u672c\u69cb\u6587<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-36\">\n<p>\u5217\u6319\u578b\u306e\u5ba3\u8a00\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u57fa\u672c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-37\">\n<h4 class=\"wp-block-heading\" id=\"i-10\">\u57fa\u672c\u7684\u306a\u5ba3\u8a00<\/h4>\n<\/div>\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=\"\">\/\/ \u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u5217\u6319\u578b\u306e\u5ba3\u8a00\npublic enum Direction {\n    NORTH, SOUTH, EAST, WEST\n}<\/pre>\n\n\n<div id=\"sgb-css-id-38\">\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3064\u5ba3\u8a00<\/h4>\n<\/div>\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=\"\">public enum Planet {\n    MERCURY(3.303e+23, 2.4397e6),\n    VENUS(4.869e+24, 6.0518e6),\n    EARTH(5.976e+24, 6.37814e6);\n\n    private final double mass;   \/\/ \u30ad\u30ed\u30b0\u30e9\u30e0\u5358\u4f4d\n    private final double radius; \/\/ \u30e1\u30fc\u30c8\u30eb\u5358\u4f4d\n\n    \/\/ private\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff08enum\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u5fc5\u305aprivate\uff09\n    Planet(double mass, double radius) {\n        this.mass = mass;\n        this.radius = radius;\n    }\n\n    \/\/ getter\u30e1\u30bd\u30c3\u30c9\n    public double getMass() { return mass; }\n    public double getRadius() { return radius; }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-39\">\n<h4 class=\"wp-block-heading\" id=\"i-12\">\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-40\">\n<p>\u30001. <strong>\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-41\">\n<p>\u3000\u3000\u25cf enum\u30af\u30e9\u30b9\u81ea\u4f53\u306f<code>public<\/code>\u307e\u305f\u306f<code>package-private<\/code>\u3092\u6307\u5b9a\u53ef\u80fd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-42\">\n<p>\u3000\u3000\u25cf \u5217\u6319\u5b9a\u6570\u306f\u5e38\u306b<code>public static final<\/code><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-43\">\n<p>\u30002. <strong>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u7279\u5fb4<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-44\">\n<p>\u3000\u3000\u25cf \u5fc5\u305a<code>private<\/code>\uff08\u660e\u793a\u7684\u306b\u66f8\u304b\u306a\u304f\u3066\u3082<code>private<\/code>\u306b\u306a\u308b\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-45\">\n<p>\u3000\u3000\u25cf \u5217\u6319\u5b9a\u6570\u306e\u5ba3\u8a00\u5f8c\u306b\u306e\u307f\u547c\u3073\u51fa\u3057\u53ef\u80fd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-46\">\n<p>\u30003. <strong>\u7d99\u627f\u95a2\u4fc2<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-47\">\n<p>\u3000\u3000\u25cf \u3059\u3079\u3066\u306e\u5217\u6319\u578b\u306f<code>java.lang.Enum<\/code>\u30af\u30e9\u30b9\u3092\u6697\u9ed9\u7684\u306b\u7d99\u627f<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-48\">\n<p>\u3000\u3000\u25cf \u4ed6\u306e\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-49\">\n<h3 class=\"wp-block-heading\" id=\"i-13\">2.2 \u5217\u6319\u5b9a\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-50\">\n<h4 class=\"wp-block-heading\" id=\"i-14\">1. \u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/h4>\n<\/div>\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=\"\">public enum Season {\n    SPRING, SUMMER, AUTUMN, WINTER\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nSeason current = Season.SUMMER;<\/pre>\n\n\n<div id=\"sgb-css-id-51\">\n<h4 class=\"wp-block-heading\" id=\"i-15\">2. \u7d44\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u306e\u6d3b\u7528<\/h4>\n<\/div>\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=\"\">\/\/ \u5217\u6319\u578b\u306e\u4e3b\u8981\u306a\u7d44\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\npublic class EnumDemo {\n    public static void main(String[] args) {\n        \/\/ name(): \u5b9a\u6570\u540d\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u53d6\u5f97\n        String seasonName = Season.SPRING.name(); \/\/ \"SPRING\"\n\n        \/\/ ordinal(): \u5b9a\u7fa9\u9806\u5e8f\u3092\u53d6\u5f97\uff080\u304b\u3089\u958b\u59cb\uff09\n        int order = Season.SUMMER.ordinal(); \/\/ 1\n\n        \/\/ valueOf(): \u6587\u5b57\u5217\u304b\u3089\u5217\u6319\u5b9a\u6570\u3092\u53d6\u5f97\n        Season season = Season.valueOf(\"AUTUMN\"); \/\/ Season.AUTUMN\n\n        \/\/ values(): \u3059\u3079\u3066\u306e\u5b9a\u6570\u3092\u914d\u5217\u3068\u3057\u3066\u53d6\u5f97\n        Season[] allSeasons = Season.values();\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-52\">\n<h4 class=\"wp-block-heading\" id=\"i-16\">3. \u9ad8\u5ea6\u306a\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-53\">\n<h4 class=\"wp-block-heading\" id=\"i-17\">\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u5217\u6319\u578b<\/h4>\n<\/div>\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=\"\">public enum Operation {\n    PLUS(\"+\") {\n        public double apply(double x, double y) { return x + y; }\n    },\n    MINUS(\"-\") {\n        public double apply(double x, double y) { return x - y; }\n    },\n    TIMES(\"*\") {\n        public double apply(double x, double y) { return x * y; }\n    },\n    DIVIDE(\"\/\") {\n        public double apply(double x, double y) { return x \/ y; }\n    };\n\n    private final String symbol;\n\n    Operation(String symbol) {\n        this.symbol = symbol;\n    }\n\n    public String getSymbol() { return symbol; }\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u5404\u5b9a\u6570\u3067\u5b9f\u88c5\u5fc5\u9808\uff09\n    public abstract double apply(double x, double y);\n}<\/pre>\n\n\n<div id=\"sgb-css-id-54\">\n<h4 class=\"wp-block-heading\" id=\"i-18\">4. \u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u4fbf\u5229\u306a\u30d1\u30bf\u30fc\u30f3<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-55\">\n<h4 class=\"wp-block-heading\" id=\"i-19\">\u6587\u5b57\u5217\u5909\u63db\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h4>\n<\/div>\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=\"\">public enum DayOfWeek {\n    MONDAY(\"\u6708\u66dc\u65e5\"),\n    TUESDAY(\"\u706b\u66dc\u65e5\"),\n    WEDNESDAY(\"\u6c34\u66dc\u65e5\"),\n    THURSDAY(\"\u6728\u66dc\u65e5\"),\n    FRIDAY(\"\u91d1\u66dc\u65e5\"),\n    SATURDAY(\"\u571f\u66dc\u65e5\"),\n    SUNDAY(\"\u65e5\u66dc\u65e5\");\n\n    private final String japaneseName;\n\n    DayOfWeek(String japaneseName) {\n        this.japaneseName = japaneseName;\n    }\n\n    @Override\n    public String toString() {\n        return this.japaneseName;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nDayOfWeek today = DayOfWeek.MONDAY;\nSystem.out.println(today); \/\/ \"\u6708\u66dc\u65e5\"<\/pre>\n\n\n<div id=\"sgb-css-id-56\">\n<h4 class=\"wp-block-heading\" id=\"i-20\">static import\u306e\u6d3b\u7528<\/h4>\n<\/div>\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=\"\">import static com.example.DayOfWeek.*;\n\npublic class CalendarDemo {\n    public void showToday() {\n        \/\/ static import\u306b\u3088\u308a\u3001\u5217\u6319\u578b\u540d\u3092\u7701\u7565\u53ef\u80fd\n        DayOfWeek today = MONDAY;\n        \/\/ DayOfWeek.MONDAY\u3068\u66f8\u304f\u5fc5\u8981\u304c\u306a\u3044\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-57\">\n<p>\u3053\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3059\u308b\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5217\u6319\u578b\u306f\u5358\u306a\u308b\u5b9a\u6570\u306e\u96c6\u307e\u308a\u4ee5\u4e0a\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-58\">\n<h2 class=\"wp-block-heading\" id=\"i-21\">\uff13\uff0e\u5217\u6319\u578b\u306e7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-59\">\n<p>\u3053\u3053\u3067\u306f\u3001\u5b9f\u52d9\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u5217\u6319\u578b\u306e\u52b9\u679c\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-60\">\n<h3 class=\"wp-block-heading\" id=\"i-22\">3.1 \u5b9a\u6570\u30b0\u30eb\u30fc\u30d7\u306e\u7ba1\u7406\u306b\u3088\u308b\u53ef\u8aad\u6027\u306e\u5411\u4e0a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-61\">\n<h4 class=\"wp-block-heading\" id=\"i-23\">\u30d1\u30bf\u30fc\u30f31\uff1a \u95a2\u9023\u3059\u308b\u5b9a\u6570\u306e\u30b0\u30eb\u30fc\u30d7\u5316<\/h4>\n<\/div>\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=\"\">\/\/ \u8a2d\u5b9a\u5024\u306e\u7ba1\u7406\npublic enum ConfigurationKey {\n    DB_URL(\"database.url\"),\n    DB_USER(\"database.user\"),\n    DB_PASSWORD(\"database.password\"),\n    APP_NAME(\"application.name\"),\n    APP_VERSION(\"application.version\");\n\n    private final String key;\n\n    ConfigurationKey(String key) {\n        this.key = key;\n    }\n\n    public String getKey() {\n        return key;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nString dbUrl = configuration.get(ConfigurationKey.DB_URL);<\/pre>\n\n\n<div id=\"sgb-css-id-62\">\n<h4 class=\"wp-block-heading\" id=\"i-24\">\u30d1\u30bf\u30fc\u30f32\uff1a \u5024\u306e\u7bc4\u56f2\u306e\u5b9a\u7fa9<\/h4>\n<\/div>\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=\"\">public enum HttpStatus {\n    \/\/ \u60c5\u5831\u30ec\u30b9\u30dd\u30f3\u30b9 (1xx)\n    CONTINUE(100),\n    SWITCHING_PROTOCOLS(101),\n\n    \/\/ \u6210\u529f\u30ec\u30b9\u30dd\u30f3\u30b9 (2xx)\n    OK(200),\n    CREATED(201),\n    ACCEPTED(202),\n\n    \/\/ \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a8\u30e9\u30fc (4xx)\n    BAD_REQUEST(400),\n    UNAUTHORIZED(401),\n    FORBIDDEN(403),\n    NOT_FOUND(404);\n\n    private final int code;\n\n    HttpStatus(int code) {\n        this.code = code;\n    }\n\n    public int getCode() {\n        return code;\n    }\n\n    public static HttpStatus fromCode(int code) {\n        for (HttpStatus status : values()) {\n            if (status.getCode() == code) {\n                return status;\n            }\n        }\n        throw new IllegalArgumentException(\"Invalid HTTP status code: \" + code);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-63\">\n<h3 class=\"wp-block-heading\" id=\"i-25\">3.2 switch\u6587\u3067\u306e\u52b9\u7387\u7684\u306a\u6761\u4ef6\u5206\u5c90<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-64\">\n<h4 class=\"wp-block-heading\" id=\"i-26\">\u30d1\u30bf\u30fc\u30f33\uff1a \u72b6\u614b\u9077\u79fb\u306e\u7ba1\u7406<\/h4>\n<\/div>\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=\"\">public enum OrderStatus {\n    PENDING {\n        @Override\n        public boolean canTransitionTo(OrderStatus newStatus) {\n            return newStatus == PROCESSING || newStatus == CANCELLED;\n        }\n    },\n    PROCESSING {\n        @Override\n        public boolean canTransitionTo(OrderStatus newStatus) {\n            return newStatus == SHIPPED || newStatus == CANCELLED;\n        }\n    },\n    SHIPPED {\n        @Override\n        public boolean canTransitionTo(OrderStatus newStatus) {\n            return newStatus == DELIVERED;\n        }\n    },\n    DELIVERED {\n        @Override\n        public boolean canTransitionTo(OrderStatus newStatus) {\n            return false; \/\/ \u6700\u7d42\u72b6\u614b\n        }\n    },\n    CANCELLED {\n        @Override\n        public boolean canTransitionTo(OrderStatus newStatus) {\n            return false; \/\/ \u6700\u7d42\u72b6\u614b\n        }\n    };\n\n    public abstract boolean canTransitionTo(OrderStatus newStatus);\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class Order {\n    private OrderStatus status;\n\n    public void updateStatus(OrderStatus newStatus) {\n        if (!status.canTransitionTo(newStatus)) {\n            throw new IllegalStateException(\n                \"Cannot transition from \" + status + \" to \" + newStatus\n            );\n        }\n        this.status = newStatus;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-65\">\n<h4 class=\"wp-block-heading\" id=\"i-27\">\u30d1\u30bf\u30fc\u30f34\uff1a \u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h4>\n<\/div>\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=\"\">public enum PaymentMethod {\n    CREDIT_CARD {\n        @Override\n        public void processPayment(double amount) {\n            \/\/ \u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u6c7a\u6e08\u306e\u51e6\u7406\n            System.out.println(\"Processing \" + amount + \" via Credit Card\");\n        }\n    },\n    BANK_TRANSFER {\n        @Override\n        public void processPayment(double amount) {\n            \/\/ \u9280\u884c\u632f\u8fbc\u306e\u51e6\u7406\n            System.out.println(\"Processing \" + amount + \" via Bank Transfer\");\n        }\n    },\n    DIGITAL_WALLET {\n        @Override\n        public void processPayment(double amount) {\n            \/\/ \u30c7\u30b8\u30bf\u30eb\u30a6\u30a9\u30ec\u30c3\u30c8\u306e\u51e6\u7406\n            System.out.println(\"Processing \" + amount + \" via Digital Wallet\");\n        }\n    };\n\n    public abstract void processPayment(double amount);\n}<\/pre>\n\n\n<div id=\"sgb-css-id-66\">\n<h3 class=\"wp-block-heading\" id=\"i-28\">3.3 \u5024\u3068\u632f\u308b\u821e\u3044\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305fEnum\u6d3b\u7528<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-67\">\n<h4 class=\"wp-block-heading\" id=\"i-29\">\u30d1\u30bf\u30fc\u30f35\uff1a \u8907\u96d1\u306a\u8a08\u7b97\u306e\u30ab\u30d7\u30bb\u30eb\u5316<\/h4>\n<\/div>\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=\"\">public enum Currency {\n    USD(1.0),\n    EUR(1.18),\n    GBP(1.38),\n    JPY(0.0091);\n\n    private final double rateToUSD;\n\n    Currency(double rateToUSD) {\n        this.rateToUSD = rateToUSD;\n    }\n\n    public double convertToUSD(double amount) {\n        return amount * rateToUSD;\n    }\n\n    public double convertFromUSD(double amount) {\n        return amount \/ rateToUSD;\n    }\n\n    public double convert(double amount, Currency target) {\n        \/\/ \u4e00\u65e6USD\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u76ee\u6a19\u306e\u901a\u8ca8\u306b\u5909\u63db\n        double usdAmount = this.convertToUSD(amount);\n        return target.convertFromUSD(usdAmount);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\ndouble amount = Currency.JPY.convert(10000, Currency.USD);<\/pre>\n\n\n<div id=\"sgb-css-id-68\">\n<h4 class=\"wp-block-heading\" id=\"i-30\">\u30d1\u30bf\u30fc\u30f36\uff1a \u30d3\u30eb\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h4>\n<\/div>\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=\"\">public enum PizzaSize {\n    SMALL {\n        @Override\n        public Pizza.Builder createBuilder() {\n            return new Pizza.Builder()\n                .setBasePrice(1000)\n                .setPreparationTime(15);\n        }\n    },\n    MEDIUM {\n        @Override\n        public Pizza.Builder createBuilder() {\n            return new Pizza.Builder()\n                .setBasePrice(1500)\n                .setPreparationTime(20);\n        }\n    },\n    LARGE {\n        @Override\n        public Pizza.Builder createBuilder() {\n            return new Pizza.Builder()\n                .setBasePrice(2000)\n                .setPreparationTime(25);\n        }\n    };\n\n    public abstract Pizza.Builder createBuilder();\n}<\/pre>\n\n\n<div id=\"sgb-css-id-69\">\n<h4 class=\"wp-block-heading\" id=\"i-31\">\u30d1\u30bf\u30fc\u30f37\uff1a \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u96c6\u7d04<\/h4>\n<\/div>\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=\"\">public enum PasswordStrength {\n    WEAK {\n        @Override\n        public boolean validate(String password) {\n            return password.length() &gt;= 8;\n        }\n    },\n    MEDIUM {\n        @Override\n        public boolean validate(String password) {\n            return password.length() &gt;= 8 &amp;&amp;\n                   password.matches(\".*[a-z].*\") &amp;&amp;\n                   password.matches(\".*[A-Z].*\");\n        }\n    },\n    STRONG {\n        @Override\n        public boolean validate(String password) {\n            return password.length() &gt;= 8 &amp;&amp;\n                   password.matches(\".*[a-z].*\") &amp;&amp;\n                   password.matches(\".*[A-Z].*\") &amp;&amp;\n                   password.matches(\".*\\\\d.*\") &amp;&amp;\n                   password.matches(\".*[!@#$%^&amp;*()].*\");\n        }\n    };\n\n    public abstract boolean validate(String password);\n\n    public static PasswordStrength check(String password) {\n        for (PasswordStrength strength : values()) {\n            if (strength.validate(password)) {\n                return strength;\n            }\n        }\n        return WEAK;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nString password = \"MySecurePass123!\";\nPasswordStrength strength = PasswordStrength.check(password);<\/pre>\n\n\n<div id=\"sgb-css-id-70\">\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5358\u72ec\u3067\u3082\u307e\u305f\u7d44\u307f\u5408\u308f\u305b\u3066\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u8981\u4ef6\u3084\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u3055\u3089\u306b\u767a\u5c55\u3055\u305b\u305f\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3068\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-71\">\n<h2 class=\"wp-block-heading\" id=\"i-32\">\uff14\uff0e\u5217\u6319\u578b\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3068\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-72\">\n<h3 class=\"wp-block-heading\" id=\"i-33\">4.1 \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u67d4\u8edf\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-73\">\n<h4 class=\"wp-block-heading\" id=\"i-34\">\u632f\u308b\u821e\u3044\u306e\u62bd\u8c61\u5316<\/h4>\n<\/div>\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=\"\">public enum FileType {\n    CSV {\n        @Override\n        public DataParser createParser() {\n            return new CSVParser();\n        }\n\n        @Override\n        public String getFileExtension() {\n            return \".csv\";\n        }\n\n        @Override\n        public void validate(File file) throws InvalidFileException {\n            \/\/ CSV\u30d5\u30a1\u30a4\u30eb\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\n            if (!file.getName().endsWith(\".csv\")) {\n                throw new InvalidFileException(\"Invalid CSV file\");\n            }\n        }\n    },\n    JSON {\n        @Override\n        public DataParser createParser() {\n            return new JSONParser();\n        }\n\n        @Override\n        public String getFileExtension() {\n            return \".json\";\n        }\n\n        @Override\n        public void validate(File file) throws InvalidFileException {\n            \/\/ JSON\u30d5\u30a1\u30a4\u30eb\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\n            if (!isValidJson(file)) {\n                throw new InvalidFileException(\"Invalid JSON file\");\n            }\n        }\n    },\n    XML {\n        @Override\n        public DataParser createParser() {\n            return new XMLParser();\n        }\n\n        @Override\n        public String getFileExtension() {\n            return \".xml\";\n        }\n\n        @Override\n        public void validate(File file) throws InvalidFileException {\n            \/\/ XML\u30d5\u30a1\u30a4\u30eb\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\n            if (!isValidXml(file)) {\n                throw new InvalidFileException(\"Invalid XML file\");\n            }\n        }\n    };\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\n    public abstract DataParser createParser();\n    public abstract String getFileExtension();\n    public abstract void validate(File file) throws InvalidFileException;\n\n    \/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\n    public static FileType fromFileName(String fileName) {\n        for (FileType type : values()) {\n            if (fileName.endsWith(type.getFileExtension())) {\n                return type;\n            }\n        }\n        throw new IllegalArgumentException(\"Unsupported file type\");\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-74\">\n<h4 class=\"wp-block-heading\" id=\"i-35\">\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h4>\n<\/div>\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=\"\">public enum DatabaseConnection {\n    INSTANCE;  \/\/ \u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\n\n    private Connection connection;\n    private final Properties properties;\n\n    DatabaseConnection() {\n        properties = new Properties();\n        \/\/ \u521d\u671f\u5316\u51e6\u7406\n    }\n\n    public synchronized Connection getConnection() throws SQLException {\n        if (connection == null || connection.isClosed()) {\n            connection = createConnection();\n        }\n        return connection;\n    }\n\n    private Connection createConnection() throws SQLException {\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u4f5c\u6210\n        return DriverManager.getConnection(\n            properties.getProperty(\"url\"),\n            properties.getProperty(\"user\"),\n            properties.getProperty(\"password\")\n        );\n    }\n\n    public void setProperty(String key, String value) {\n        properties.setProperty(key, value);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nConnection conn = DatabaseConnection.INSTANCE.getConnection();<\/pre>\n\n\n<div id=\"sgb-css-id-75\">\n<h3 class=\"wp-block-heading\" id=\"i-36\">4.2 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\u306b\u3088\u308b\u6a5f\u80fd\u62e1\u5f35<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-76\">\n<h4 class=\"wp-block-heading\" id=\"i-37\">\u30b3\u30de\u30f3\u30c9\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h4>\n<\/div>\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=\"\">public interface Command {\n    void execute();\n    void undo();\n}\n\npublic enum TextEditorCommand implements Command {\n    COPY {\n        @Override\n        public void execute() {\n            System.out.println(\"\u30c6\u30ad\u30b9\u30c8\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3057\u305f\");\n        }\n\n        @Override\n        public void undo() {\n            System.out.println(\"\u30b3\u30d4\u30fc\u3092\u53d6\u308a\u6d88\u3057\u307e\u3057\u305f\");\n        }\n    },\n    CUT {\n        @Override\n        public void execute() {\n            System.out.println(\"\u30c6\u30ad\u30b9\u30c8\u3092\u5207\u308a\u53d6\u308a\u307e\u3057\u305f\");\n        }\n\n        @Override\n        public void undo() {\n            System.out.println(\"\u5207\u308a\u53d6\u308a\u3092\u53d6\u308a\u6d88\u3057\u307e\u3057\u305f\");\n        }\n    },\n    PASTE {\n        @Override\n        public void execute() {\n            System.out.println(\"\u30c6\u30ad\u30b9\u30c8\u3092\u8cbc\u308a\u4ed8\u3051\u307e\u3057\u305f\");\n        }\n\n        @Override\n        public void undo() {\n            System.out.println(\"\u8cbc\u308a\u4ed8\u3051\u3092\u53d6\u308a\u6d88\u3057\u307e\u3057\u305f\");\n        }\n    };\n}<\/pre>\n\n\n<div id=\"sgb-css-id-77\">\n<h4 class=\"wp-block-heading\" id=\"i-38\">\u8907\u6570\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5<\/h4>\n<\/div>\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=\"\">public interface Validator {\n    boolean isValid(String input);\n}\n\npublic interface Converter&lt;T&gt; {\n    T convert(String input);\n}\n\npublic enum DataType implements Validator, Converter&lt;Object&gt; {\n    INTEGER {\n        @Override\n        public boolean isValid(String input) {\n            try {\n                Integer.parseInt(input);\n                return true;\n            } catch (NumberFormatException e) {\n                return false;\n            }\n        }\n\n        @Override\n        public Object convert(String input) {\n            return Integer.parseInt(input);\n        }\n    },\n    BOOLEAN {\n        @Override\n        public boolean isValid(String input) {\n            return input.equalsIgnoreCase(\"true\") || \n                   input.equalsIgnoreCase(\"false\");\n        }\n\n        @Override\n        public Object convert(String input) {\n            return Boolean.parseBoolean(input);\n        }\n    },\n    DATE {\n        private final DateTimeFormatter formatter = \n            DateTimeFormatter.ISO_LOCAL_DATE;\n\n        @Override\n        public boolean isValid(String input) {\n            try {\n                LocalDate.parse(input, formatter);\n                return true;\n            } catch (DateTimeParseException e) {\n                return false;\n            }\n        }\n\n        @Override\n        public Object convert(String input) {\n            return LocalDate.parse(input, formatter);\n        }\n    };\n\n    \/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\n    public static DataType getTypeFor(String input) {\n        for (DataType type : values()) {\n            if (type.isValid(input)) {\n                return type;\n            }\n        }\n        throw new IllegalArgumentException(\"No valid data type found for: \" + input);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nString input = \"2024-01-01\";\nDataType type = DataType.getTypeFor(input);\nObject value = type.convert(input);<\/pre>\n\n\n<div id=\"sgb-css-id-78\">\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5217\u6319\u578b\u306f\u3088\u308a\u67d4\u8edf\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u5b9f\u52d9\u3067\u6d3b\u7528\u3059\u308b\u969b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-79\">\n<h2 class=\"wp-block-heading\" id=\"i-39\">\uff15\uff0e\u5b9f\u52d9\u3067\u306e\u5217\u6319\u578b\u6d3b\u7528\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-80\">\n<h3 class=\"wp-block-heading\" id=\"i-40\">5.1 \u4fdd\u5b88\u6027\u3092\u9ad8\u3081\u308bEnum\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-81\">\n<h4 class=\"wp-block-heading\" id=\"i-41\">1. \u547d\u540d\u898f\u5247\u306e\u7d71\u4e00<\/h4>\n<\/div>\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=\"\">\/\/ \u826f\u3044\u4f8b\uff1a\u76ee\u7684\u304c\u660e\u78ba\u3067\u4e00\u8cab\u6027\u306e\u3042\u308b\u547d\u540d\npublic enum PaymentStatus {\n    PENDING,\n    PROCESSING,\n    COMPLETED,\n    FAILED,\n    REFUNDED\n}\n\n\/\/ \u60aa\u3044\u4f8b\uff1a\u4e00\u8cab\u6027\u304c\u306a\u304f\u7406\u89e3\u3057\u3065\u3089\u3044\u547d\u540d\npublic enum Status {\n    WAIT,\n    NOW_PROCESSING,\n    done,\n    Error,\n    MoneyBack\n}<\/pre>\n\n\n<div id=\"sgb-css-id-82\">\n<h4 class=\"wp-block-heading\" id=\"i-42\">2. \u30e1\u30bd\u30c3\u30c9\u306e\u9069\u5207\u306a\u5206\u5272\u3068\u8cac\u52d9\u306e\u660e\u78ba\u5316<\/h4>\n<\/div>\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=\"\">\/\/ \u826f\u3044\u4f8b\uff1a\u8cac\u52d9\u304c\u660e\u78ba\u3067\u518d\u5229\u7528\u53ef\u80fd\npublic enum TaskPriority {\n    LOW(1),\n    MEDIUM(2),\n    HIGH(3),\n    URGENT(4);\n\n    private final int level;\n\n    TaskPriority(int level) {\n        this.level = level;\n    }\n\n    public int getLevel() {\n        return level;\n    }\n\n    public boolean isHigherThan(TaskPriority other) {\n        return this.level &gt; other.level;\n    }\n\n    public boolean needsImediateAction() {\n        return this == URGENT;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-83\">\n<h4 class=\"wp-block-heading\" id=\"i-43\">3. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u5145\u5b9f<\/h4>\n<\/div>\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=\"\">\/**\n * \u30b7\u30b9\u30c6\u30e0\u5185\u3067\u306e\u6a29\u9650\u30ec\u30d9\u30eb\u3092\u8868\u3059\u5217\u6319\u578b\u3002\n * \u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u6a29\u9650\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\n *\/\npublic enum Permission {\n    \/**\n     * \u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u6a29\u9650\u3002\n     * \u30c7\u30fc\u30bf\u306e\u53c2\u7167\u306e\u307f\u53ef\u80fd\u3067\u3001\u5909\u66f4\u306f\u3067\u304d\u306a\u3044\u3002\n     *\/\n    READ_ONLY(1, \"\u8aad\u53d6\u306e\u307f\"),\n\n    \/**\n     * \u57fa\u672c\u7684\u306a\u7de8\u96c6\u304c\u53ef\u80fd\u306a\u6a29\u9650\u3002\n     * \u30c7\u30fc\u30bf\u306e\u4f5c\u6210\u3068\u66f4\u65b0\u304c\u53ef\u80fd\u3060\u304c\u3001\u524a\u9664\u306f\u3067\u304d\u306a\u3044\u3002\n     *\/\n    EDIT(2, \"\u7de8\u96c6\u53ef\u80fd\"),\n\n    \/**\n     * \u7ba1\u7406\u8005\u6a29\u9650\u3002\n     * \u3059\u3079\u3066\u306e\u64cd\u4f5c\u304c\u53ef\u80fd\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\u306e\u5909\u66f4\u3082\u53ef\u80fd\u3002\n     *\/\n    ADMIN(3, \"\u7ba1\u7406\u8005\");\n\n    private final int level;\n    private final String description;\n\n    Permission(int level, String description) {\n        this.level = level;\n        this.description = description;\n    }\n\n    public int getLevel() { return level; }\n    public String getDescription() { return description; }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-84\">\n<h4 class=\"wp-block-heading\" id=\"i-44\">4. \u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u6027\u306e\u4fdd\u6301<\/h4>\n<\/div>\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=\"\">\/\/ \u826f\u3044\u4f8b\uff1a\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u8a2d\u8a08\npublic enum Configuration {\n    INSTANCE;\n\n    private final Map&lt;String, String&gt; properties;\n\n    Configuration() {\n        properties = new HashMap&lt;&gt;();\n        loadDefaultProperties();\n    }\n\n    \/\/ \u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u30d3\u30e5\u30fc\u3092\u8fd4\u3059\n    public Map&lt;String, String&gt; getProperties() {\n        return Collections.unmodifiableMap(properties);\n    }\n\n    \/\/ \u5909\u66f4\u64cd\u4f5c\u306f\u65b0\u3057\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u8fd4\u3059\n    public Configuration withProperty(String key, String value) {\n        Configuration newConfig = Configuration.INSTANCE;\n        newConfig.properties.put(key, value);\n        return newConfig;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-85\">\n<h3 class=\"wp-block-heading\" id=\"i-45\">5.2 \u3088\u304f\u3042\u308b\u8a2d\u8a08\u30df\u30b9\u3068\u56de\u907f\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-86\">\n<h4 class=\"wp-block-heading\" id=\"i-46\">1. \u4e0d\u9069\u5207\u306a\u4f7f\u7528\u5834\u9762<\/h4>\n<\/div>\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\uff1a\u5217\u6319\u578b\u306e\u4f7f\u7528\u304c\u4e0d\u9069\u5207\u306a\u5834\u5408\npublic enum UserPreference {\n    THEME_COLOR(\"#FF0000\"),      \/\/ \u52d5\u7684\u306a\u5024\u306f\u5217\u6319\u578b\u306b\u4e0d\u9069\u5207\n    FONT_SIZE(\"14px\"),\n    LANGUAGE(\"ja_JP\");           \/\/ \u983b\u7e41\u306b\u5909\u66f4\u304c\u5fc5\u8981\u306a\u5024\n\n    private final String value;\n\n    UserPreference(String value) {\n        this.value = value;\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u8a2d\u5b9a\u5024\u306e\u7ba1\u7406\u306b\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u7528\npublic class UserPreferences {\n    private Properties properties;\n\n    public void loadFromFile(String filename) {\n        \/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u307f\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-87\">\n<h4 class=\"wp-block-heading\" id=\"i-47\">2. \u904e\u5ea6\u306a\u8cac\u52d9\u306e\u96c6\u4e2d<\/h4>\n<\/div>\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\uff1a\u5358\u4e00\u306e\u5217\u6319\u578b\u306b\u591a\u3059\u304e\u308b\u8cac\u52d9\npublic enum OrderProcessor {\n    INSTANCE;\n\n    public void processOrder(Order order) { \/* ... *\/ }\n    public void validateOrder(Order order) { \/* ... *\/ }\n    public void calculateTax(Order order) { \/* ... *\/ }\n    public void applyDiscount(Order order) { \/* ... *\/ }\n    public void sendConfirmationEmail(Order order) { \/* ... *\/ }\n    \/\/ \u3055\u3089\u306b\u591a\u304f\u306e\u30e1\u30bd\u30c3\u30c9...\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u8cac\u52d9\u3092\u9069\u5207\u306b\u5206\u5272\npublic enum OrderStatus {\n    NEW,\n    PROCESSING,\n    COMPLETED,\n    CANCELLED;\n\n    public boolean canTransitionTo(OrderStatus newStatus) {\n        \/\/ \u72b6\u614b\u9077\u79fb\u306e\u30ed\u30b8\u30c3\u30af\u306e\u307f\u3092\u6301\u3064\n        return \/* ... *\/;\n    }\n}\n\npublic class OrderProcessor {\n    private final OrderValidator validator;\n    private final TaxCalculator taxCalculator;\n    private final DiscountService discountService;\n    private final EmailService emailService;\n\n    \/\/ \u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u51e6\u7406\u3092\u59d4\u8b72\n}<\/pre>\n\n\n<div id=\"sgb-css-id-88\">\n<h4 class=\"wp-block-heading\" id=\"i-48\">3. \u5b89\u5168\u3067\u306a\u3044\u578b\u5909\u63db<\/h4>\n<\/div>\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\uff1a\u5b89\u5168\u3067\u306a\u3044\u578b\u5909\u63db\npublic enum Status {\n    ACTIVE(1),\n    INACTIVE(0);\n\n    private final int value;\n\n    Status(int value) {\n        this.value = value;\n    }\n\n    public static Status fromValue(int value) {\n        if (value == 1) return ACTIVE;\n        if (value == 0) return INACTIVE;\n        return null; \/\/ null\u3092\u8fd4\u3059\u306e\u306f\u5371\u967a\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1aOptional\u4f7f\u7528\u306b\u3088\u308b\u5b89\u5168\u306a\u578b\u5909\u63db\npublic enum Status {\n    ACTIVE(1),\n    INACTIVE(0);\n\n    private final int value;\n\n    Status(int value) {\n        this.value = value;\n    }\n\n    public static Optional&lt;Status&gt; fromValue(int value) {\n        return Arrays.stream(values())\n                    .filter(status -&gt; status.value == value)\n                    .findFirst();\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-89\">\n<h4 class=\"wp-block-heading\" id=\"i-49\">4. \u30c6\u30b9\u30c8\u5bb9\u6613\u6027\u306e\u8003\u616e<\/h4>\n<\/div>\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=\"\">\/\/ \u826f\u3044\u4f8b\uff1a\u30c6\u30b9\u30c8\u53ef\u80fd\u306a\u8a2d\u8a08\npublic enum ValidationRule {\n    EMAIL {\n        @Override\n        public boolean validate(String input) {\n            return input != null &amp;&amp; \n                   input.matches(\"^[A-Za-z0-9+_.-]+@(.+)$\");\n        }\n    },\n    PASSWORD {\n        @Override\n        public boolean validate(String input) {\n            return input != null &amp;&amp; \n                   input.length() &gt;= 8 &amp;&amp;\n                   input.matches(\".*[A-Z].*\") &amp;&amp;\n                   input.matches(\".*[a-z].*\") &amp;&amp;\n                   input.matches(\".*\\\\d.*\");\n        }\n    };\n\n    public abstract boolean validate(String input);\n\n    \/\/ \u30c6\u30b9\u30c8\u7528\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\n    public static ValidationRule forTesting(String type) {\n        return valueOf(type.toUpperCase());\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-90\">\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30d0\u30b0\u306e\u5c11\u306a\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u539f\u5247\u3092\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u9069\u7528\u3057\u305f\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-91\">\n<h2 class=\"wp-block-heading\" id=\"i-50\">\uff16\uff0e\u5217\u6319\u578b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5225\u5b9f\u88c5\u4f8b<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-92\">\n<h3 class=\"wp-block-heading\" id=\"i-51\">6.1 \u30b9\u30c6\u30fc\u30bf\u30b9\u7ba1\u7406\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-93\">\n<h4 class=\"wp-block-heading\" id=\"i-52\">\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/h4>\n<\/div>\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=\"\">public enum WorkflowStatus {\n    DRAFT {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.of(IN_REVIEW, CANCELLED);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setLastModified(LocalDateTime.now());\n        }\n    },\n    IN_REVIEW {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.of(APPROVED, REJECTED, CANCELLED);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setReviewStartDate(LocalDateTime.now());\n            notifyReviewers(document);\n        }\n    },\n    APPROVED {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.of(PUBLISHED);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setApprovalDate(LocalDateTime.now());\n            notifyAuthor(document, \"\u627f\u8a8d\u3055\u308c\u307e\u3057\u305f\");\n        }\n    },\n    REJECTED {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.of(DRAFT);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setRejectionDate(LocalDateTime.now());\n            notifyAuthor(document, \"\u5dee\u3057\u623b\u3055\u308c\u307e\u3057\u305f\");\n        }\n    },\n    PUBLISHED {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.of(ARCHIVED);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setPublishDate(LocalDateTime.now());\n            publishDocument(document);\n        }\n    },\n    ARCHIVED {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.noneOf(WorkflowStatus.class);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setArchiveDate(LocalDateTime.now());\n        }\n    },\n    CANCELLED {\n        @Override\n        public Set&lt;WorkflowStatus&gt; getAllowedTransitions() {\n            return EnumSet.noneOf(WorkflowStatus.class);\n        }\n\n        @Override\n        public void onEnter(Document document) {\n            document.setCancellationDate(LocalDateTime.now());\n        }\n    };\n\n    public abstract Set&lt;WorkflowStatus&gt; getAllowedTransitions();\n    public abstract void onEnter(Document document);\n\n    \/\/ \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\n    private static void notifyReviewers(Document document) {\n        \/\/ \u30ec\u30d3\u30e5\u30ef\u30fc\u3078\u306e\u901a\u77e5\u30ed\u30b8\u30c3\u30af\n    }\n\n    private static void notifyAuthor(Document document, String message) {\n        \/\/ \u4f5c\u6210\u8005\u3078\u306e\u901a\u77e5\u30ed\u30b8\u30c3\u30af\n    }\n\n    private static void publishDocument(Document document) {\n        \/\/ \u6587\u66f8\u516c\u958b\u30ed\u30b8\u30c3\u30af\n    }\n\n    \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u9077\u79fb\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\n    public boolean canTransitionTo(WorkflowStatus newStatus) {\n        return getAllowedTransitions().contains(newStatus);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class Document {\n    private WorkflowStatus status;\n    private LocalDateTime lastModified;\n    private LocalDateTime reviewStartDate;\n    private LocalDateTime approvalDate;\n    private LocalDateTime rejectionDate;\n    private LocalDateTime publishDate;\n    private LocalDateTime archiveDate;\n    private LocalDateTime cancellationDate;\n\n    public void changeStatus(WorkflowStatus newStatus) {\n        if (!status.canTransitionTo(newStatus)) {\n            throw new IllegalStateException(\n                String.format(\"Cannot transition from %s to %s\", status, newStatus)\n            );\n        }\n        this.status = newStatus;\n        newStatus.onEnter(this);\n    }\n\n    \/\/ getters and setters\n}<\/pre>\n\n\n<div id=\"sgb-css-id-94\">\n<h3 class=\"wp-block-heading\" id=\"i-53\">6.2 \u8a2d\u5b9a\u5024\u306e\u7ba1\u7406\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-95\">\n<h4 class=\"wp-block-heading\" id=\"i-54\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306e\u7ba1\u7406<\/h4>\n<\/div>\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=\"\">public enum AppConfig {\n    INSTANCE;\n\n    private final Map&lt;ConfigKey, String&gt; configurations = new ConcurrentHashMap&lt;&gt;();\n\n    public enum ConfigKey {\n        \/\/ \u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\n        SYSTEM_NAME(\"system.name\", \"\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u540d\", \"MyApp\"),\n        MAX_THREADS(\"system.threads\", \"\u6700\u5927\u30b9\u30ec\u30c3\u30c9\u6570\", \"10\"),\n        TIMEOUT_SECONDS(\"system.timeout\", \"\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u79d2\u6570\", \"30\"),\n\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u5b9a\n        DB_URL(\"db.url\", \"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9URL\", \"jdbc:mysql:\/\/localhost:3306\/myapp\"),\n        DB_USERNAME(\"db.username\", \"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e6\u30fc\u30b6\u30fc\u540d\", \"admin\"),\n        DB_PASSWORD(\"db.password\", \"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30b9\u30ef\u30fc\u30c9\", \"\"),\n\n        \/\/ \u30e1\u30fc\u30eb\u8a2d\u5b9a\n        SMTP_HOST(\"mail.smtp.host\", \"SMTP\u30db\u30b9\u30c8\", \"smtp.example.com\"),\n        SMTP_PORT(\"mail.smtp.port\", \"SMTP\u30dd\u30fc\u30c8\", \"587\"),\n        MAIL_FROM(\"mail.from\", \"\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\", \"noreply@example.com\");\n\n        private final String key;\n        private final String description;\n        private final String defaultValue;\n\n        ConfigKey(String key, String description, String defaultValue) {\n            this.key = key;\n            this.description = description;\n            this.defaultValue = defaultValue;\n        }\n\n        public String getKey() { return key; }\n        public String getDescription() { return description; }\n        public String getDefaultValue() { return defaultValue; }\n    }\n\n    AppConfig() {\n        loadDefaultConfigurations();\n    }\n\n    private void loadDefaultConfigurations() {\n        for (ConfigKey key : ConfigKey.values()) {\n            configurations.put(key, key.getDefaultValue());\n        }\n    }\n\n    public void loadFromProperties(Properties properties) {\n        for (ConfigKey key : ConfigKey.values()) {\n            String value = properties.getProperty(key.getKey());\n            if (value != null) {\n                configurations.put(key, value);\n            }\n        }\n    }\n\n    public String getValue(ConfigKey key) {\n        return configurations.getOrDefault(key, key.getDefaultValue());\n    }\n\n    public void setValue(ConfigKey key, String value) {\n        configurations.put(key, value);\n    }\n\n    public Map&lt;ConfigKey, String&gt; getAllConfigurations() {\n        return Collections.unmodifiableMap(configurations);\n    }\n\n    \/\/ \u578b\u5909\u63db\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\n    public int getIntValue(ConfigKey key) {\n        return Integer.parseInt(getValue(key));\n    }\n\n    public boolean getBooleanValue(ConfigKey key) {\n        return Boolean.parseBoolean(getValue(key));\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class Application {\n    public void initialize() {\n        \/\/ \u8a2d\u5b9a\u5024\u306e\u53d6\u5f97\n        String systemName = AppConfig.INSTANCE.getValue(AppConfig.ConfigKey.SYSTEM_NAME);\n        int maxThreads = AppConfig.INSTANCE.getIntValue(AppConfig.ConfigKey.MAX_THREADS);\n\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u8a2d\u5b9a\u306e\u53d6\u5f97\n        String dbUrl = AppConfig.INSTANCE.getValue(AppConfig.ConfigKey.DB_URL);\n        String dbUsername = AppConfig.INSTANCE.getValue(AppConfig.ConfigKey.DB_USERNAME);\n        String dbPassword = AppConfig.INSTANCE.getValue(AppConfig.ConfigKey.DB_PASSWORD);\n\n        \/\/ \u30b7\u30b9\u30c6\u30e0\u306e\u521d\u671f\u5316\u51e6\u7406\n        initializeSystem(systemName, maxThreads);\n        initializeDatabase(dbUrl, dbUsername, dbPassword);\n    }\n\n    private void initializeSystem(String name, int threads) {\n        \/\/ \u30b7\u30b9\u30c6\u30e0\u521d\u671f\u5316\u30ed\u30b8\u30c3\u30af\n    }\n\n    private void initializeDatabase(String url, String username, String password) {\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u521d\u671f\u5316\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-96\">\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3050\u306b\u6d3b\u7528\u3067\u304d\u308b\u5f62\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u8e0f\u307e\u3048\u3066\u3001\u5217\u6319\u578b\u6d3b\u7528\u306e\u307e\u3068\u3081\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-97\">\n<h2 class=\"wp-block-heading\" id=\"i-55\">\uff17\uff0e\u307e\u3068\u3081\uff1a\u5217\u6319\u578b\u30de\u30b9\u30bf\u30fc\u3078\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-98\">\n<h3 class=\"wp-block-heading\" id=\"i-56\">7.1 \u5217\u6319\u578b\u6d3b\u7528\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-99\">\n<h4 class=\"wp-block-heading\" id=\"i-57\">\u57fa\u672c\u8a2d\u8a08\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-100\">\n<p>\u2705 <strong>\u8a2d\u8a08\u524d\u306e\u78ba\u8a8d\u4e8b\u9805<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-101\">\n<p>\u30001. \u5b9a\u6570\u30b0\u30eb\u30fc\u30d7\u304c\u56fa\u5b9a\u7684\u3067\u5909\u66f4\u304c\u5c11\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-102\">\n<p>\u30002. \u578b\u5b89\u5168\u6027\u304c\u5fc5\u8981<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-103\">\n<p>\u30003. \u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u5b9a\u6570\u306e\u4e00\u89a7\u53d6\u5f97\u304c\u5fc5\u8981<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-104\">\n<p>\u30004. \u95a2\u9023\u3059\u308b\u632f\u308b\u821e\u3044\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305f\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-105\">\n<p>\u2705 <strong>\u5b9f\u88c5\u6642\u306e\u78ba\u8a8d\u4e8b\u9805<\/strong><\/p>\n<\/div>\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=\"\">\/\/ \u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u6cbf\u3063\u305f\u5b9f\u88c5\u4f8b\npublic enum TaskStatus {\n    PENDING(\"\u5f85\u6a5f\u4e2d\") {\n        @Override\n        public boolean isFinished() { return false; }\n    },\n    IN_PROGRESS(\"\u9032\u884c\u4e2d\") {\n        @Override\n        public boolean isFinished() { return false; }\n    },\n    COMPLETED(\"\u5b8c\u4e86\") {\n        @Override\n        public boolean isFinished() { return true; }\n    };\n\n    private final String japaneseDescription;  \/\/ \u2713 \u5fc5\u8981\u306a\u5c5e\u6027\u3092\u6301\u3064\n\n    TaskStatus(String japaneseDescription) {   \/\/ \u2713 private\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n        this.japaneseDescription = japaneseDescription;\n    }\n\n    public String getJapaneseDescription() {   \/\/ \u2713 \u9069\u5207\u306a\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\n        return japaneseDescription;\n    }\n\n    public abstract boolean isFinished();      \/\/ \u2713 \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\n}<\/pre>\n\n\n<div id=\"sgb-css-id-106\">\n<p>\u2705 <strong>\u54c1\u8cea\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-107\">\n<p>\u3000\u25cf \u547d\u540d\u306f\u660e\u78ba\u3067\u4e00\u8cab\u6027\u304c\u3042\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-108\">\n<p>\u3000\u25cf \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b3\u30e1\u30f3\u30c8\u304c\u5145\u5b9f\u3057\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-109\">\n<p>\u3000\u25cf \u9069\u5207\u306a\u8cac\u52d9\u5206\u5272\u304c\u3067\u304d\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-110\">\n<p>\u3000\u25cf \u4e0d\u5909\u6027\u304c\u4fdd\u305f\u308c\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-111\">\n<p>\u3000\u25cf NULL\u306e\u5b89\u5168\u306a\u53d6\u308a\u6271\u3044\u304c\u3067\u304d\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-112\">\n<p>\u3000\u25cf \u4f8b\u5916\u51e6\u7406\u304c\u9069\u5207\u3067\u3042\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-113\">\n<p>\u3000\u25cf \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u304c\u66f8\u304b\u308c\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-114\">\n<h4 class=\"wp-block-heading\" id=\"i-58\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\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=\"\">public enum CacheStrategy {\n    INSTANCE;  \/\/ \u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u3068\u3057\u3066\u4f7f\u7528\n\n    private final Map&lt;String, Object&gt; cache = new ConcurrentHashMap&lt;&gt;();\n    private static final int MAX_CACHE_SIZE = 1000;\n\n    public void put(String key, Object value) {\n        if (cache.size() &gt;= MAX_CACHE_SIZE) {\n            \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30a4\u30ba\u306e\u5236\u5fa1\n            cleanup();\n        }\n        cache.put(key, value);\n    }\n\n    private void cleanup() {\n        \/\/ \u6700\u3082\u53e4\u3044\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u524a\u9664\u306a\u3069\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-115\">\n<h3 class=\"wp-block-heading\" id=\"i-59\">7.2 \u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u306e\u7d39\u4ecb<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-116\">\n<h4 class=\"wp-block-heading\" id=\"i-60\">\u63a8\u5968\u5b66\u7fd2\u30d1\u30b9<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-117\">\n<p>\u30001. <strong>\u57fa\u790e\u5f37\u5316<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-118\">\n<p>\u3000\u3000\u25cf Java\u8a00\u8a9e\u4ed5\u69d8\u306e\u5217\u6319\u578b\u30bb\u30af\u30b7\u30e7\u30f3<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-119\">\n<p>\u3000\u3000\u25cf Effective Java\uff08\u7b2c3\u7248\uff09\u306e\u5217\u6319\u578b\u95a2\u9023\u9805\u76ee<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-120\">\n<p>\u3000\u3000\u25cf Java Core API\uff08\u7279\u306b<code>java.lang.Enum<\/code>\u30af\u30e9\u30b9\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-121\">\n<p>\u30002. <strong>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u5b66\u7fd2<\/strong><\/p>\n<\/div>\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=\"\">   \/\/ Strategy\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5\u4f8b\n   public enum CompressionStrategy {\n       ZIP {\n           @Override\n           public void compress(Path source, Path target) {\n               \/\/ ZIP\u5727\u7e2e\u306e\u5b9f\u88c5\n           }\n       },\n       GZIP {\n           @Override\n           public void compress(Path source, Path target) {\n               \/\/ GZIP\u5727\u7e2e\u306e\u5b9f\u88c5\n           }\n       };\n\n       public abstract void compress(Path source, Path target);\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-122\">\n<p>\u30003. <strong>\u5b9f\u8df5\u7684\u306a\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-123\">\n<p>\u3000\u3000\u25cf \u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30fc\u30c9\u8aad\u89e3<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-124\">\n<p>\u3000\u3000\u25cf \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u4f5c\u6210\u7df4\u7fd2<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-125\">\n<p>\u3000\u3000\u25cf \u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3078\u306e\u53c2\u52a0<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-126\">\n<h4 class=\"wp-block-heading\" id=\"i-61\">\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-127\">\n<p>\u30001. <strong>\u4e26\u884c\u51e6\u7406\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong><\/p>\n<\/div>\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=\"\">   public enum AsyncOperationStatus {\n       PENDING {\n           @Override\n           public CompletableFuture&lt;Result&gt; execute(Task task) {\n               return CompletableFuture.supplyAsync(() -&gt; {\n                   \/\/ \u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\n                   return new Result();\n               });\n           }\n       };\n\n       public abstract CompletableFuture&lt;Result&gt; execute(Task task);\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-128\">\n<p>\u30002. <strong>\u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u7d71\u5408<\/strong><\/p>\n<\/div>\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=\"\">   \/\/ module-info.java\n   module com.example.core {\n       exports com.example.core.enums;\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-129\">\n<p>\u30003. <strong>\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\uff08TDD\uff09\u306e\u5b9f\u8df5<\/strong><\/p>\n<\/div>\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=\"\">   @Test\n   void enumConstantsShouldHaveUniqueProperties() {\n       Set&lt;String&gt; codes = new HashSet&lt;&gt;();\n       for (StatusCode code : StatusCode.values()) {\n           assertTrue(codes.add(code.getCode()),\n               \"\u91cd\u8907\u3059\u308b\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u307e\u3059: \" + code.getCode());\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-130\">\n<h4 class=\"wp-block-heading\" id=\"i-62\">\u5b9f\u52d9\u3067\u306e\u6210\u9577\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-131\">\n<p>\u3000\u25cf \u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3067\u306e\u6307\u6458\u4e8b\u9805\u3092\u7a4d\u6975\u7684\u306b\u5b66\u7fd2\u306b\u6d3b\u304b\u3059<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-132\">\n<p>\u3000\u25cf \u65b0\u3057\u3044\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u906d\u9047\u3057\u305f\u3089\u3001\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u6574\u7406\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-133\">\n<p>\u3000\u25cf \u30c1\u30fc\u30e0\u5185\u3067\u306e\u8a2d\u8a08\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u78ba\u7acb\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-134\">\n<p>\u3000\u25cf \u6280\u8853\u30d6\u30ed\u30b0\u3084\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u306e\u77e5\u898b\u5171\u6709\u3092\u884c\u3046<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-135\">\n<h4 class=\"wp-block-heading\" id=\"i-63\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5411\u3051\u3066<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-136\">\n<p>\u30001. <strong>\u500b\u4eba\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u5b9f\u8df5<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-137\">\n<p>\u3000\u3000\u25cf \u5c0f\u898f\u6a21\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f5c\u6210<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-138\">\n<p>\u3000\u3000\u25cf \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u306e\u958b\u767a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-139\">\n<p>\u3000\u3000\u25cf \u65e2\u5b58\u30b3\u30fc\u30c9\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-140\">\n<p>\u30002. <strong>\u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u6d3b\u7528<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-141\">\n<p>\u3000\u3000\u25cf \u8a2d\u8a08\u30ec\u30d3\u30e5\u30fc\u3067\u306e\u63d0\u6848<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-142\">\n<p>\u3000\u3000\u25cf \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04\u3078\u306e\u53cd\u6620<\/p>\n<\/div>\n\n\n<p>\u3000\u3000\u25cf \u30ca\u30ec\u30c3\u30b8\u5171\u6709\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u958b\u50ac<\/p>\n\n\n<div id=\"sgb-css-id-143\">\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u5b9f\u8df5\u306b\u79fb\u3057\u3001\u3055\u3089\u306a\u308b\u6280\u8853\u529b\u306e\u5411\u4e0a\u3092\u76ee\u6307\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5217\u6319\u578b\u306f\u5c0f\u3055\u306a\u6a5f\u80fd\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u5927\u304d\u306a\u4fa1\u5024\u3092\u751f\u307f\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-144\">\n<h2 class=\"wp-block-heading\" id=\"i-64\">\u307e\u3068\u3081<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-145\">\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Java\u306e\u5217\u6319\u578b\uff08enum\uff09\u306b\u3064\u3044\u3066\u3001\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u5b66\u3093\u3060\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-146\">\n<h4 class=\"wp-block-heading\" id=\"i-65\">\u4e3b\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-147\">\n<p>\u30001. <strong>\u5217\u6319\u578b\u306e\u57fa\u672c\u3068\u5229\u70b9<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-148\">\n<p>\u3000\u3000\u25cf \u578b\u5b89\u5168\u6027\u306e\u4fdd\u8a3c<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-149\">\n<p>\u3000\u3000\u25cf \u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u5411\u4e0a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-150\">\n<p>\u3000\u3000\u25cf \u95a2\u9023\u3059\u308b\u5b9a\u6570\u306e\u30b0\u30eb\u30fc\u30d7\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-151\">\n<p>\u3000\u3000\u25cf \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u578b\u30c1\u30a7\u30c3\u30af<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-152\">\n<p>\u30002. <strong>\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-153\">\n<p>\u3000\u3000\u25cf \u72b6\u614b\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-154\">\n<p>\u3000\u3000\u25cf \u8a2d\u5b9a\u5024\u306e\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-155\">\n<p>\u3000\u3000\u25cf \u632f\u308b\u821e\u3044\u306e\u30ab\u30d7\u30bb\u30eb\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-156\">\n<p>\u3000\u3000\u25cf \u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-157\">\n<p>\u30003. <strong>\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-158\">\n<p>\u3000\u3000\u25cf \u9069\u5207\u306a\u547d\u540d\u898f\u5247<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-159\">\n<p>\u3000\u3000\u25cf \u8cac\u52d9\u306e\u660e\u78ba\u306a\u5206\u5272<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-160\">\n<p>\u3000\u3000\u25cf \u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u6027\u306e\u78ba\u4fdd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-161\">\n<p>\u3000\u3000\u25cf \u5341\u5206\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-162\">\n<h4 class=\"wp-block-heading\" id=\"i-66\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-163\">\n<p>\u30001. <strong>\u57fa\u790e\u3092\u56fa\u3081\u308b<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-164\">\n<p>\u3000\u3000\u25cf \u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3067\u8a66\u3057\u3066\u307f\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-165\">\n<p>\u3000\u3000\u25cf \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u81ea\u5206\u306e\u74b0\u5883\u3067\u52d5\u304b\u3057\u3066\u307f\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-166\">\n<p>\u30002. <strong>\u5b9f\u8df5\u529b\u3092\u990a\u3046<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-167\">\n<p>\u3000\u3000\u25cf \u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u3092\u5217\u6319\u578b\u3092\u4f7f\u3063\u3066\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-168\">\n<p>\u3000\u3000\u25cf \u7d39\u4ecb\u3057\u305f\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3092\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6d3b\u7528\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-169\">\n<p>\u30003. 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