{"id":544,"date":"2024-11-11T16:25:25","date_gmt":"2024-11-11T07:25:25","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=544"},"modified":"2025-03-24T08:53:05","modified_gmt":"2025-03-23T23:53:05","slug":"%e3%80%90java%e5%85%a5%e9%96%80%e3%80%91%e3%82%ab%e3%83%97%e3%82%bb%e3%83%ab%e5%8c%96%e3%82%92%e5%ae%8c%e5%85%a8%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%81%e5%ae%9f%e8%b7%b5%e3%81%a7%e4%bd%bf","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=544","title":{"rendered":"\u3010Java\u5165\u9580\u3011\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\uff01\u5b9f\u8df5\u3067\u4f7f\u3048\u308b5\u3064\u306e\u5177\u4f53\u4f8b\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3"},"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\">\uff11\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308b\u57fa\u790e\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">1.1 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u91cd\u8981\u306a\u67f1\u3068\u306a\u308b\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9a\u7fa9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">1.2 \u30ab\u30d7\u30bb\u30eb\u5316\u304c\u306a\u305c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u91cd\u8981\u306a\u306e\u304b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">\uff12\uff0eJava\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">2.1 private\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u96a0\u853d<\/a>      <\/li>      <li>        <a href=\"#i-5\">2.2 getter\u3068setter\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">2.3 \u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u306e\u7a2e\u985e\u3068\u4f7f\u3044\u5206\u3051<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\uff13\uff0e\u5b9f\u8df5\u3067\u4f7f\u3048\u308b\uff01\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5177\u4f53\u4f8b5\u9078<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">3.1 \u4f8b1\uff1a \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u30af\u30e9\u30b9\u3067\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406<\/a>      <\/li>      <li>        <a href=\"#i-9\">3.2 \u4f8b2\uff1a \u9280\u884c\u53e3\u5ea7\u30af\u30e9\u30b9\u3067\u306e\u6b8b\u9ad8\u51e6\u7406<\/a>      <\/li>      <li>        <a href=\"#i-10\">3.3 \u4f8b3\uff1a \u5546\u54c1\u5728\u5eab\u7ba1\u7406\u3067\u306e\u6570\u91cf\u5236\u5fa1<\/a>      <\/li>      <li>        <a href=\"#i-11\">3.4 \u4f8b4\uff1a \u793e\u54e1\u60c5\u5831\u30af\u30e9\u30b9\u3067\u306e\u7d66\u4e0e\u8a08\u7b97<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">3.5 \u4f8b5\uff1a \u30b2\u30fc\u30e0\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u7ba1\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-13\">\uff14\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">4.1 \u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u7bc4\u56f2\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-15\">4.2 \u30e1\u30bd\u30c3\u30c9\u540d\u306e\u547d\u540d\u898f\u5247\u3068\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-16\">4.3 \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u542b\u3081\u305f\u5805\u7262\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-17\">\uff15\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u306e\u6ce8\u610f\u70b9\u3068\u826f\u304f\u3042\u308b\u30df\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-18\">5.1 \u904e\u5ea6\u306a\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u907f\u3051\u308b\u3079\u304d\u7406\u7531<\/a>      <\/li>      <li>        <a href=\"#i-19\">5.2 getter\u3068setter\u306e\u904e\u5270\u306a\u4f7f\u7528\u306e\u554f\u984c\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-20\">5.3 \u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u5b9f\u88c5\u30df\u30b9\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-21\">\u307e\u3068\u3081\uff1a\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u5b9f\u73fe\u3059\u308b\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u8a2d\u8a08<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-22\">\u30ab\u30d7\u30bb\u30eb\u5316\u5c0e\u5165\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u7d39\u4ecb<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-24\">\u6700\u5f8c\u306b<\/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\">\uff11\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308b\u57fa\u790e\u89e3\u8aac<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-2\">\n<h3 class=\"wp-block-heading\" id=\"i-1\">1.1 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u91cd\u8981\u306a\u67f1\u3068\u306a\u308b\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9a\u7fa9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-3\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\uff08Encapsulation\uff09\u3068\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e4\u5927\u8981\u7d20\uff08\u30ab\u30d7\u30bb\u30eb\u5316\u30fb\u7d99\u627f\u30fb\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30fb\u62bd\u8c61\u5316\uff09\u306e1\u3064\u3067\u3001\u30c7\u30fc\u30bf\uff08\u5c5e\u6027\uff09\u3068\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\uff08\u632f\u308b\u821e\u3044\uff09\u30921\u3064\u306e\u30af\u30e9\u30b9\u306b\u307e\u3068\u3081\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-4\">\n<p>\u7c21\u5358\u306b\u4f8b\u3048\u308b\u306a\u3089\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-6\">\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\">\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u4f8b<\/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-5\">\n<li>\u85ac\u306e\u30ab\u30d7\u30bb\u30eb\uff1a\u4e2d\u8eab\uff08\u30c7\u30fc\u30bf\uff09\u304c\u5916\u90e8\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/div>\n\n\n<li>\u30ea\u30e2\u30b3\u30f3\uff1a\u5185\u90e8\u306e\u8907\u96d1\u306a\u4ed5\u7d44\u307f\uff08\u5b9f\u88c5\uff09\u3092\u96a0\u3057\u3001\u30dc\u30bf\u30f3\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09\u3060\u3051\u3092\u516c\u958b<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-7\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u91cd\u8981\u306a\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-14\">\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\">\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u91cd\u8981\u306a\u5074\u9762<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-8\">\n<p>1. <strong>\u30c7\u30fc\u30bf\u306e\u96a0\u853d\uff08Information Hiding\uff09<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-9\">\n<p>\u3000\u25cf \u30af\u30e9\u30b9\u5185\u90e8\u306e\u30c7\u30fc\u30bf\u3092\u5916\u90e8\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-10\">\n<p>\u3000\u25cf \u30c7\u30fc\u30bf\u306fprivate\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3057\u3066\u5ba3\u8a00<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-11\">\n<p>2. <strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u63d0\u4f9b<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-12\">\n<p>\u3000\u25cf \u5916\u90e8\u3068\u306e\u3084\u308a\u53d6\u308a\u306b\u5fc5\u8981\u306a\u65b9\u6cd5\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u306e\u307f\u3092\u516c\u958b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-13\">\n<p>\u3000\u25cf public\u30e1\u30bd\u30c3\u30c9\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-15\">\n<h3 class=\"wp-block-heading\" id=\"i-2\">1.2 \u30ab\u30d7\u30bb\u30eb\u5316\u304c\u306a\u305c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u91cd\u8981\u306a\u306e\u304b<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-16\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u304c\u3082\u305f\u3089\u30595\u3064\u306e\u91cd\u8981\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\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:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u30ab\u30d7\u30bb\u30eb\u5316\u304c\u3082\u305f\u3089\u3059\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\"><div id=\"sgb-css-id-17\">\n<p>1. <strong>\u30c7\u30fc\u30bf\u306e\u5b89\u5168\u6027\u78ba\u4fdd<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-18\">\n<p>\u3000\u25cf \u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u64cd\u4f5c\u3092\u9632\u6b62<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-19\">\n<p>\u3000\u25cf \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u7dad\u6301<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-20\">\n<p>\u3000\u25cf \u610f\u56f3\u3057\u306a\u3044\u5909\u66f4\u304b\u3089\u306e\u4fdd\u8b77<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-21\">\n<p>2. <strong>\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u6027\u5411\u4e0a<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-22\">\n<p>\u3000\u25cf \u5185\u90e8\u5b9f\u88c5\u306e\u5909\u66f4\u304c\u5916\u90e8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-23\">\n<p>\u3000\u25cf \u30d0\u30b0\u306e\u539f\u56e0\u7279\u5b9a\u304c\u5bb9\u6613<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-24\">\n<p>\u3000\u25cf \u4fee\u6b63\u7bc4\u56f2\u3092\u5c40\u6240\u5316\u3067\u304d\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-25\">\n<p>3. <strong>\u518d\u5229\u7528\u6027\u306e\u5411\u4e0a<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-26\">\n<p>\u3000\u25cf \u72ec\u7acb\u6027\u306e\u9ad8\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-27\">\n<p>\u3000\u25cf \u4ed6\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3082\u518d\u5229\u7528\u3057\u3084\u3059\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-28\">\n<p>4. <strong><strong>\u958b\u767a\u52b9\u7387\u306e\u5411\u4e0a<\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-29\">\n<p>\u3000\u25cf \u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u5f79\u5272\u5206\u62c5\u304c\u660e\u78ba<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-30\">\n<p>\u3000\u25cf \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3055\u3048\u6c7a\u307e\u308c\u3070\u4e26\u884c\u958b\u767a\u304c\u53ef\u80fd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-31\">\n<p>\u3000\u25cf \u30b3\u30fc\u30c9\u306e\u898b\u901a\u3057\u304c\u826f\u304f\u306a\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-32\">\n<p>5. <strong><strong><strong>\u30c6\u30b9\u30c8\u5bb9\u6613\u6027\u306e\u5411\u4e0a<\/strong><\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-33\">\n<p>\u3000\u25cf \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u304c\u66f8\u304d\u3084\u3059\u3044<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u306e\u7bc4\u56f2\u304c\u660e\u78ba<\/p>\n<\/div><\/div>\n\n\n<div id=\"sgb-css-id-34\">\n<p>\u4ee5\u4e0b\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u91cd\u8981\u6027\u3092\u793a\u3059\u5177\u4f53\u4f8b\u3067\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=\"\">\/\/ \u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066\u3044\u306a\u3044\u60aa\u3044\u4f8b\npublic class BankAccount {\n    public int balance;  \/\/ \u6b8b\u9ad8\u304c\u76f4\u63a5\u5909\u66f4\u53ef\u80fd\n}\n\n\/\/ \u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305f\u826f\u3044\u4f8b\npublic class BankAccount {\n    private int balance;  \/\/ \u30c7\u30fc\u30bf\u3092\u96a0\u853d\n\n    public void deposit(int amount) {\n        if (amount &gt; 0) {  \/\/ \u5165\u91d1\u984d\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af\n            balance += amount;\n        }\n    }\n\n    public boolean withdraw(int amount) {\n        if (amount &gt; 0 &amp;&amp; balance &gt;= amount) {  \/\/ \u5f15\u304d\u51fa\u3057\u53ef\u80fd\u304b\u30c1\u30a7\u30c3\u30af\n            balance -= amount;\n            return true;\n        }\n        return false;\n    }\n\n    public int getBalance() {\n        return balance;  \/\/ \u6b8b\u9ad8\u306e\u53c2\u7167\u306e\u307f\u8a31\u53ef\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-35\">\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3088\u3063\u3066\u4ee5\u4e0b\u306e\u5185\u5bb9\u901a\u308a\u306e\u5b89\u5168\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-38\">\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\">\u4e0a\u8a18\u4f8b\u3067\u78ba\u4fdd\u3055\u308c\u308b\u5b89\u5168\u6027<\/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-36\">\n<li>\u4e0d\u6b63\u306a\u91d1\u984d\u306e\u5165\u91d1\u3092\u9632\u6b62<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-37\">\n<li>\u6b8b\u9ad8\u4e0d\u8db3\u6642\u306e\u5f15\u304d\u51fa\u3057\u3092\u9632\u6b62<\/li>\n<\/div>\n\n\n<li>\u6b8b\u9ad8\u306e\u76f4\u63a5\u64cd\u4f5c\u3092\u7981\u6b62<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-39\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u54c1\u8cea\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u91cd\u8981\u306a\u8a2d\u8a08\u539f\u5247\u3067\u3059\u3002\u9069\u5207\u306a\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3088\u308a\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30d0\u30b0\u306e\u5c11\u306a\u3044\u5805\u7262\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Java\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\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-40\">\n<h2 class=\"wp-block-heading\" id=\"i-3\">\uff12\uff0eJava\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-41\">\n<h3 class=\"wp-block-heading\" id=\"i-4\">2.1 private\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u96a0\u853d<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-42\">\n<p>Java\u3067\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b9f\u73fe\u3059\u308b\u7b2c\u4e00\u6b69\u306f\u3001\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092 <code>private<\/code> \u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u4fee\u98fe\u3059\u308b\u3053\u3068\u3067\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=\"\">public class Employee {\n    \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u96a0\u853d\n    private String name;          \/\/ \u793e\u54e1\u540d\n    private int employeeId;       \/\/ \u793e\u54e1ID\n    private double salary;        \/\/ \u7d66\u4e0e\n    private LocalDate joinDate;   \/\/ \u5165\u793e\u65e5\n\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    public Employee(String name, int employeeId, double salary, LocalDate joinDate) {\n        this.name = name;\n        this.employeeId = employeeId;\n        this.salary = salary;\n        this.joinDate = joinDate;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-43\">\n<h3 class=\"wp-block-heading\" id=\"i-5\">2.2 getter\u3068setter\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-44\">\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u3092 <code>private<\/code> \u306b\u3057\u305f\u5f8c\u306f\u3001\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u306e\u305f\u3081\u306e <code>getter<\/code> \u3068 <code>setter<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3057\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=\"\">public class Employee {\n    private String name;\n    private double salary;\n\n    \/\/ getter: \u30c7\u30fc\u30bf\u306e\u53d6\u5f97\n    public String getName() {\n        return this.name;\n    }\n\n    \/\/ setter: \u30c7\u30fc\u30bf\u306e\u8a2d\u5b9a\uff08\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u4ed8\u304d\uff09\n    public void setSalary(double newSalary) {\n        \/\/ \u7d66\u4e0e\u306f0\u5186\u4ee5\u4e0a\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\n        if (newSalary &gt;= 0) {\n            this.salary = newSalary;\n        } else {\n            throw new IllegalArgumentException(\"\u7d66\u4e0e\u306f0\u5186\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n    }\n\n    \/\/ \u8a08\u7b97\u30ed\u30b8\u30c3\u30af\u3092\u542b\u3080\u30e1\u30bd\u30c3\u30c9\n    public double calculateAnnualSalary() {\n        return this.salary * 12;  \/\/ \u6708\u7d66\u304b\u3089\u5e74\u53ce\u3092\u8a08\u7b97\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-47\">\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\">getter\u3068setter\u306e\u547d\u540d\u898f\u5247<\/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-45\">\n<li>getter\uff1a <code>get\u30d5\u30a3\u30fc\u30eb\u30c9\u540d()<\/code><\/li>\n<\/div>\n\n<div id=\"sgb-css-id-46\">\n<li>setter\uff1a <code>set\u30d5\u30a3\u30fc\u30eb\u30c9\u540d(\u578b \u5024)<\/code><\/li>\n<\/div>\n\n\n<li>boolean\u578b\u306e\u5834\u5408\uff1a <code>is\u30d5\u30a3\u30fc\u30eb\u30c9\u540d()<\/code><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-48\">\n<h3 class=\"wp-block-heading\" id=\"i-6\">2.3 \u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u306e\u7a2e\u985e\u3068\u4f7f\u3044\u5206\u3051<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-49\">\n<p>Java\u306b\u306f4\u7a2e\u985e\u306e\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u304c\u3042\u308a\u3001\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30ec\u30d9\u30eb\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"id-0ccf8db0-6f25-45ce-91ee-caff6ba3c298\"><div id=\"sgb-css-id-50\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50<\/th><th>\u540c\u3058\u30af\u30e9\u30b9<\/th><th>\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8<\/th><th>\u30b5\u30d6\u30af\u30e9\u30b9<\/th><th>\u5168\u3066\u306e\u30af\u30e9\u30b9<\/th><th>\u4f7f\u7528\u4f8b<\/th><\/tr><\/thead><tbody><tr><td><code>private<\/code><\/td><td>\u25cb<\/td><td>\u00d7<\/td><td>\u00d7<\/td><td>\u00d7<\/td><td>\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u5185\u90e8\u30e1\u30bd\u30c3\u30c9<\/td><\/tr><tr><td><code>(default)<\/code><\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u00d7<\/td><td>\u00d7<\/td><td>\u5b9f\u88c5\u30af\u30e9\u30b9\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9<\/td><\/tr><tr><td><code>protected<\/code><\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u00d7<\/td><td>\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9<\/td><\/tr><tr><td><code>public<\/code><\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001API<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-51\">\n<p>\u5b9f\u88c5\u4f8b\uff1a<\/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 class Product {\n    \/\/ private\u30d5\u30a3\u30fc\u30eb\u30c9\uff1a\u30af\u30e9\u30b9\u5185\u3067\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    private int id;\n    private String name;\n    private double price;\n\n    \/\/ protected\u30e1\u30bd\u30c3\u30c9\uff1a\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3082\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    protected void validatePrice(double price) {\n        if (price &lt; 0) {\n            throw new IllegalArgumentException(\"\u4fa1\u683c\u306f0\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n    }\n\n    \/\/ package\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\uff1a\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u3067\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    void updateInventory() {\n        \/\/ \u5728\u5eab\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n    }\n\n    \/\/ public\u30e1\u30bd\u30c3\u30c9\uff1a\u3069\u3053\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\n    public double calculateDiscountedPrice(double discountRate) {\n        if (discountRate &lt; 0 || discountRate &gt; 1) {\n            throw new IllegalArgumentException(\"\u5272\u5f15\u7387\u306f0\u304b\u30891\u306e\u9593\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        return this.price * (1 - discountRate);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-63\">\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\">\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-52\">\n<p>1. <strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u53ef\u8996\u6027<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-53\">\n<p>\u3000\u25cf \u57fa\u672c\u7684\u306b\u5168\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092 <code>private<\/code> \u306b\u3059\u308b<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u3069\u3046\u3057\u3066\u3082\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f <code>protected<\/code> \u3092\u691c\u8a0e<\/p>\n\n\n<div id=\"sgb-css-id-54\">\n<p>2. <strong>\u30e1\u30bd\u30c3\u30c9\u306e\u53ef\u8996\u6027<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-55\">\n<p>\u3000\u25cf \u5916\u90e8\u306b\u516c\u958b\u3059\u308bAPI\u306f <code>public<\/code><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-56\">\n<p>\u3000\u25cf \u5b9f\u88c5\u306e\u8a73\u7d30\u306f <code>private<\/code> \u3084 <code>protected<\/code><\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u3067\u306e\u5171\u6709\u306f <code>default<\/code><\/p>\n\n\n<div id=\"sgb-css-id-57\">\n<p>3. <strong><strong>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5<\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-58\">\n<p>\u3000\u25cf setter\u3067\u30c7\u30fc\u30bf\u306e\u59a5\u5f53\u6027\u3092\u691c\u8a3c<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-59\">\n<p>\u3000\u25cf \u4e0d\u6b63\u306a\u5024\u306f\u4f8b\u5916\u3092\u30b9\u30ed\u30fc<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u9069\u7528<\/p>\n\n\n<div id=\"sgb-css-id-60\">\n<p>4. <strong>\u30a4\u30df\u30e5\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\u306e\u8003\u616e<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-61\">\n<p>\u3000\u25cf \u5fc5\u8981\u306b\u5fdc\u3058\u3066setter\u3092\u63d0\u4f9b\u3057\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-62\">\n<p>\u3000\u25cf \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306f\u9632\u885b\u7684\u30b3\u30d4\u30fc\u3092\u8fd4\u3059<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u5909\u66f4\u4e0d\u53ef\u80fd\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u691c\u8a0e<\/p>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-64\">\n<p>\u3053\u306e\u3088\u3046\u306b\u3001Java\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u3001\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u9069\u5207\u306a\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u305f\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-65\">\n<h2 class=\"wp-block-heading\" id=\"i-7\">\uff13\uff0e\u5b9f\u8df5\u3067\u4f7f\u3048\u308b\uff01\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5177\u4f53\u4f8b5\u9078<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-66\">\n<p>\u5b9f\u52d9\u3067\u3088\u304f\u906d\u9047\u3059\u308b\u30b7\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-67\">\n<h3 class=\"wp-block-heading\" id=\"i-8\">3.1 \u4f8b1\uff1a \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u30af\u30e9\u30b9\u3067\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-68\">\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u7ba1\u7406\u4f8b\u3067\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u5316\u3084\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\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=\"\">import java.security.MessageDigest;\nimport java.security.NoSuchAlgorithmException;\nimport java.util.regex.Pattern;\n\npublic class User {\n    private String username;\n    private String passwordHash;\n    private String email;\n    private boolean isActive;\n\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5f62\u5f0f\u3092\u5b9a\u7fa9\u3059\u308b\u6b63\u898f\u8868\u73fe\n    private static final Pattern PASSWORD_PATTERN = \n        Pattern.compile(\"^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&amp;+=])(?=\\\\S+$).{8,}$\");\n\n    public User(String username, String password, String email) {\n        this.setUsername(username);\n        this.setPassword(password);\n        this.setEmail(email);\n        this.isActive = true;\n    }\n\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30bb\u30c3\u30bf\u30fc\uff08\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3066\u4fdd\u5b58\uff09\n    public void setPassword(String password) {\n        if (!isValidPassword(password)) {\n            throw new IllegalArgumentException(\"\u30d1\u30b9\u30ef\u30fc\u30c9\u306f8\u6587\u5b57\u4ee5\u4e0a\u3067\u3001\u6570\u5b57\u3001\u5927\u6587\u5b57\u3001\u5c0f\u6587\u5b57\u3001\u7279\u6b8a\u6587\u5b57\u3092\u542b\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.passwordHash = hashPassword(password);\n    }\n\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u691c\u8a3c\u30e1\u30bd\u30c3\u30c9\n    public boolean verifyPassword(String inputPassword) {\n        return this.passwordHash.equals(hashPassword(inputPassword));\n    }\n\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\n    private boolean isValidPassword(String password) {\n        return password != null &amp;&amp; PASSWORD_PATTERN.matcher(password).matches();\n    }\n\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u5316\uff08\u5b9f\u88c5\u4f8b\uff09\n    private String hashPassword(String password) {\n        try {\n            MessageDigest md = MessageDigest.getInstance(\"SHA-256\");\n            byte[] hash = md.digest(password.getBytes());\n            return bytesToHex(hash);\n        } catch (NoSuchAlgorithmException e) {\n            throw new RuntimeException(\"\u30cf\u30c3\u30b7\u30e5\u5316\u306b\u5931\u6557\u3057\u307e\u3057\u305f\", e);\n        }\n    }\n\n    \/\/ \u30d0\u30a4\u30c8\u914d\u5217\u309216\u9032\u6570\u6587\u5b57\u5217\u306b\u5909\u63db\n    private String bytesToHex(byte[] bytes) {\n        StringBuilder result = new StringBuilder();\n        for (byte b : bytes) {\n            result.append(String.format(\"%02x\", b));\n        }\n        return result.toString();\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-69\">\n<h3 class=\"wp-block-heading\" id=\"i-9\">3.2 \u4f8b2\uff1a \u9280\u884c\u53e3\u5ea7\u30af\u30e9\u30b9\u3067\u306e\u6b8b\u9ad8\u51e6\u7406<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-70\">\n<p>\u53d6\u5f15\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u9280\u884c\u53e3\u5ea7\u306e\u5b9f\u88c5\u4f8b\u3067\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=\"\">public class BankAccount {\n    private double balance;\n    private final String accountNumber;\n    private static final double DAILY_WITHDRAWAL_LIMIT = 1000000;  \/\/ 100\u4e07\u5186\n    private double todayWithdrawals;\n\n    public BankAccount(String accountNumber, double initialDeposit) {\n        if (initialDeposit &lt; 0) {\n            throw new IllegalArgumentException(\"\u521d\u671f\u9810\u91d1\u984d\u306f0\u5186\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.accountNumber = accountNumber;\n        this.balance = initialDeposit;\n        this.todayWithdrawals = 0;\n    }\n\n    \/\/ \u9810\u91d1\u51e6\u7406\n    public void deposit(double amount) {\n        if (amount &lt;= 0) {\n            throw new IllegalArgumentException(\"\u9810\u91d1\u984d\u306f0\u5186\u3088\u308a\u3082\u5927\u304d\u3044\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.balance += amount;\n    }\n\n    \/\/ \u5f15\u304d\u51fa\u3057\u51e6\u7406\n    public boolean withdraw(double amount) {\n        if (amount &lt;= 0) {\n            throw new IllegalArgumentException(\"\u5f15\u304d\u51fa\u3057\u984d\u306f0\u5186\u3088\u308a\u3082\u5927\u304d\u3044\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n\n        if (amount &gt; balance) {\n            return false;  \/\/ \u6b8b\u9ad8\u4e0d\u8db3\n        }\n\n        if (todayWithdrawals + amount &gt; DAILY_WITHDRAWAL_LIMIT) {\n            return false;  \/\/ 1\u65e5\u306e\u5f15\u304d\u51fa\u3057\u9650\u5ea6\u984d\u8d85\u904e\n        }\n\n        balance -= amount;\n        todayWithdrawals += amount;\n        return true;\n    }\n\n    public double getBalance() {\n        return balance;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-71\">\n<h3 class=\"wp-block-heading\" id=\"i-10\">3.3 \u4f8b3\uff1a \u5546\u54c1\u5728\u5eab\u7ba1\u7406\u3067\u306e\u6570\u91cf\u5236\u5fa1<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-72\">\n<p>\u5728\u5eab\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u5546\u54c1\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u4f8b\u3067\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=\"\">public class ProductInventory {\n    private String productId;\n    private String productName;\n    private int quantity;\n    private int minimumQuantity;\n    private boolean isDiscontinued;\n\n    public ProductInventory(String productId, String productName, int initialQuantity, int minimumQuantity) {\n        this.productId = productId;\n        this.productName = productName;\n        this.setQuantity(initialQuantity);\n        this.setMinimumQuantity(minimumQuantity);\n        this.isDiscontinued = false;\n    }\n\n    \/\/ \u5728\u5eab\u6570\u306e\u8a2d\u5b9a\uff08\u8ca0\u306e\u5024\u306f\u8a31\u53ef\u3057\u306a\u3044\uff09\n    public void setQuantity(int quantity) {\n        if (quantity &lt; 0) {\n            throw new IllegalArgumentException(\"\u5728\u5eab\u6570\u306f0\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.quantity = quantity;\n        checkLowStock();\n    }\n\n    \/\/ \u5728\u5eab\u306e\u8ffd\u52a0\n    public void addStock(int amount) {\n        if (amount &lt;= 0) {\n            throw new IllegalArgumentException(\"\u8ffd\u52a0\u3059\u308b\u5728\u5eab\u306f1\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.quantity += amount;\n    }\n\n    \/\/ \u5728\u5eab\u306e\u5f15\u304d\u843d\u3068\u3057\n    public boolean removeStock(int amount) {\n        if (amount &lt;= 0) {\n            throw new IllegalArgumentException(\"\u6e1b\u5c11\u3055\u305b\u308b\u5728\u5eab\u306f1\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        if (this.quantity &lt; amount) {\n            return false;\n        }\n        this.quantity -= amount;\n        checkLowStock();\n        return true;\n    }\n\n    \/\/ \u5728\u5eab\u4e0d\u8db3\u30c1\u30a7\u30c3\u30af\n    private void checkLowStock() {\n        if (this.quantity &lt;= this.minimumQuantity) {\n            notifyLowStock();\n        }\n    }\n\n    \/\/ \u5728\u5eab\u4e0d\u8db3\u901a\u77e5\uff08\u5b9f\u969b\u306e\u5b9f\u88c5\u3067\u306f\u30e1\u30fc\u30eb\u9001\u4fe1\u306a\u3069\u3092\u884c\u3046\uff09\n    private void notifyLowStock() {\n        System.out.println(\"\u8b66\u544a: \u5546\u54c1 \" + productName + \" \u306e\u5728\u5eab\u304c\u4e0d\u8db3\u3057\u3066\u3044\u307e\u3059\");\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-73\">\n<h3 class=\"wp-block-heading\" id=\"i-11\">3.4 \u4f8b4\uff1a \u793e\u54e1\u60c5\u5831\u30af\u30e9\u30b9\u3067\u306e\u7d66\u4e0e\u8a08\u7b97<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-74\">\n<p>\u7d66\u4e0e\u8a08\u7b97\u30ed\u30b8\u30c3\u30af\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305f\u793e\u54e1\u60c5\u5831\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u4f8b\u3067\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=\"\">public class Employee {\n    private String employeeId;\n    private String name;\n    private double baseSalary;\n    private int overtimeHours;\n    private static final double OVERTIME_RATE = 1.5;\n    private static final double TAX_RATE = 0.1;  \/\/ \u7c21\u7565\u5316\u306e\u305f\u3081\u56fa\u5b9a\u7a0e\u7387\n\n    public Employee(String employeeId, String name, double baseSalary) {\n        this.employeeId = employeeId;\n        this.name = name;\n        this.setBaseSalary(baseSalary);\n        this.overtimeHours = 0;\n    }\n\n    public void setBaseSalary(double baseSalary) {\n        if (baseSalary &lt; 0) {\n            throw new IllegalArgumentException(\"\u57fa\u672c\u7d66\u306f0\u5186\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.baseSalary = baseSalary;\n    }\n\n    public void recordOvertime(int hours) {\n        if (hours &lt; 0) {\n            throw new IllegalArgumentException(\"\u6b8b\u696d\u6642\u9593\u306f0\u6642\u9593\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.overtimeHours = hours;\n    }\n\n    \/\/ \u7dcf\u652f\u7d66\u984d\u306e\u8a08\u7b97\n    public double calculateGrossSalary() {\n        double overtimePay = (baseSalary \/ 160) * overtimeHours * OVERTIME_RATE;  \/\/ 160\u306f\u6708\u9593\u6a19\u6e96\u52b4\u50cd\u6642\u9593\n        return baseSalary + overtimePay;\n    }\n\n    \/\/ \u624b\u53d6\u308a\u984d\u306e\u8a08\u7b97\n    public double calculateNetSalary() {\n        double grossSalary = calculateGrossSalary();\n        return grossSalary * (1 - TAX_RATE);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-75\">\n<h3 class=\"wp-block-heading\" id=\"i-12\">3.5 \u4f8b5\uff1a \u30b2\u30fc\u30e0\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u7ba1\u7406<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-76\">\n<p>\u30b2\u30fc\u30e0\u958b\u767a\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u5b9f\u88c5\u4f8b\u3067\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=\"\">public class GameCharacter {\n    private String name;\n    private int level;\n    private int healthPoints;\n    private int maxHealthPoints;\n    private int experience;\n    private static final int MAX_LEVEL = 100;\n\n    public GameCharacter(String name) {\n        this.name = name;\n        this.level = 1;\n        this.maxHealthPoints = 100;\n        this.healthPoints = this.maxHealthPoints;\n        this.experience = 0;\n    }\n\n    \/\/ \u30c0\u30e1\u30fc\u30b8\u51e6\u7406\n    public void takeDamage(int damage) {\n        if (damage &lt; 0) {\n            throw new IllegalArgumentException(\"\u30c0\u30e1\u30fc\u30b8\u306f0\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.healthPoints = Math.max(0, this.healthPoints - damage);\n    }\n\n    \/\/ \u56de\u5fa9\u51e6\u7406\n    public void heal(int amount) {\n        if (amount &lt; 0) {\n            throw new IllegalArgumentException(\"\u56de\u5fa9\u91cf\u306f0\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.healthPoints = Math.min(this.maxHealthPoints, this.healthPoints + amount);\n    }\n\n    \/\/ \u7d4c\u9a13\u5024\u7372\u5f97\u3068\u30ec\u30d9\u30eb\u30a2\u30c3\u30d7\u51e6\u7406\n    public void gainExperience(int exp) {\n        if (exp &lt; 0) {\n            throw new IllegalArgumentException(\"\u7d4c\u9a13\u5024\u306f0\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n\n        this.experience += exp;\n        checkLevelUp();\n    }\n\n    private void checkLevelUp() {\n        int experienceForNextLevel = level * 1000;  \/\/ \u7c21\u7565\u5316\u3057\u305f\u7d4c\u9a13\u5024\u8a08\u7b97\n        while (experience &gt;= experienceForNextLevel &amp;&amp; level &lt; MAX_LEVEL) {\n            level++;\n            maxHealthPoints += 20;\n            healthPoints = maxHealthPoints;  \/\/ \u30ec\u30d9\u30eb\u30a2\u30c3\u30d7\u6642\u306bHP\u5168\u56de\u5fa9\n            experience -= experienceForNextLevel;\n            experienceForNextLevel = level * 1000;\n        }\n    }\n\n    public boolean isAlive() {\n        return healthPoints &gt; 0;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-77\">\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-89\">\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\">\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-78\">\n<p>1. <strong>\u30c7\u30fc\u30bf\u306e\u96a0\u853d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-79\">\n<p>\u3000\u25cf \u5168\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092private\u306b\u8a2d\u5b9a<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u5916\u90e8\u304b\u3089\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62<\/p>\n\n\n<div id=\"sgb-css-id-80\">\n<p>2. <strong>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-81\">\n<p>\u3000\u25cf \u5168\u3066\u306e\u5165\u529b\u5024\u3092\u691c\u8a3c<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u4e0d\u6b63\u306a\u5024\u306f\u4f8b\u5916\u3092\u30b9\u30ed\u30fc<\/p>\n\n\n<div id=\"sgb-css-id-82\">\n<p>3. <strong>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u7d71\u5408<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-83\">\n<p>\u3000\u25cf \u95a2\u9023\u3059\u308b\u51e6\u7406\u30921\u3064\u306e\u30af\u30e9\u30b9\u306b\u307e\u3068\u3081\u308b<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u6574\u5408\u6027\u306e\u3042\u308b\u51e6\u7406\u3092\u4fdd\u8a3c<\/p>\n\n\n<div id=\"sgb-css-id-84\">\n<p>4. <strong>\u9069\u5207\u306a\u7c92\u5ea6\u306e\u8a2d\u5b9a<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-85\">\n<p>\u3000\u25cf \u8cac\u52d9\u304c\u660e\u78ba<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u306b\u5f93\u3046<\/p>\n\n\n<div id=\"sgb-css-id-86\">\n<p>5. <strong>\u9632\u885b\u7684\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-87\">\n<p>\u3000\u25cf null\u30c1\u30a7\u30c3\u30af<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-88\">\n<p>\u3000\u25cf \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u4e0d\u5909\u6761\u4ef6\u306e\u4fdd\u6301<\/p>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-90\">\n<p>\u3053\u308c\u3089\u306e\u4f8b\u3092\u53c2\u8003\u306b\u3001\u81ea\u8eab\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u305f\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-91\">\n<h2 class=\"wp-block-heading\" id=\"i-13\">\uff14\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-92\">\n<h3 class=\"wp-block-heading\" id=\"i-14\">4.1 \u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u7bc4\u56f2\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-93\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u52b9\u679c\u7684\u306b\u5b9f\u73fe\u3059\u308b\u305f\u3081\u3001\u30a2\u30af\u30bb\u30b9\u7bc4\u56f2\u306e\u8a2d\u5b9a\u306b\u306f\u4ee5\u4e0b\u306e\u539f\u5247\u306b\u5f93\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-94\">\n<p>1. <strong>\u6700\u5c0f\u9650\u306e\u516c\u958b<\/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 class Product {\n    \/\/ \u60aa\u3044\u4f8b\uff1a\u5fc5\u8981\u4ee5\u4e0a\u306b\u516c\u958b\u3057\u3066\u3044\u308b\n    public String name;\n    public double price;\n    public int stock;\n\n    \/\/ \u826f\u3044\u4f8b\uff1a\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u3092\u516c\u958b\n    private String name;\n    private double price;\n    private int stock;\n\n    public String getName() {\n        return name;\n    }\n\n    public double getPrice() {\n        return price;\n    }\n\n    \/\/ \u5728\u5eab\u306e\u78ba\u8a8d\u306f boolean \u3067\u5341\u5206\n    public boolean isInStock() {\n        return stock &gt; 0;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-95\">\n<p>2. <strong><strong>\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u6027\u306e\u78ba\u4fdd<\/strong><\/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 class ImmutablePerson {\n    private final String name;\n    private final LocalDate birthDate;\n    private final List&lt;String&gt; qualifications;\n\n    public ImmutablePerson(String name, LocalDate birthDate, List&lt;String&gt; qualifications) {\n        this.name = name;\n        this.birthDate = birthDate;\n        \/\/ \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306f\u9632\u885b\u7684\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\n        this.qualifications = new ArrayList&lt;&gt;(qualifications);\n    }\n\n    \/\/ \u5909\u66f4\u4e0d\u53ef\u80fd\u306a\u30ea\u30b9\u30c8\u3092\u8fd4\u3059\n    public List&lt;String&gt; getQualifications() {\n        return Collections.unmodifiableList(qualifications);\n    }\n\n    \/\/ \u5024\u306e\u5909\u66f4\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u65b0\u3057\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u8fd4\u3059\n    public ImmutablePerson addQualification(String qualification) {\n        List&lt;String&gt; newQualifications = new ArrayList&lt;&gt;(this.qualifications);\n        newQualifications.add(qualification);\n        return new ImmutablePerson(this.name, this.birthDate, newQualifications);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-96\">\n<h3 class=\"wp-block-heading\" id=\"i-15\">4.2 \u30e1\u30bd\u30c3\u30c9\u540d\u306e\u547d\u540d\u898f\u5247\u3068\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-97\">\n<p>1. <strong><strong><strong>\u547d\u540d\u898f\u5247\u306e\u57fa\u672c<\/strong><\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"id-67d4ac11-1690-4d78-a95a-a8ececfe2350\"><div id=\"sgb-css-id-98\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7a2e\u985e<\/th><th>\u898f\u5247<\/th><th>\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>\u30af\u30e9\u30b9\u540d<\/td><td>\u540d\u8a5e\u3001\u30d1\u30b9\u30ab\u30eb\u30b1\u30fc\u30b9<\/td><td><code>BankAccount<\/code>, <code>CustomerService<\/code><\/td><\/tr><tr><td>\u30e1\u30bd\u30c3\u30c9\u540d<\/td><td>\u52d5\u8a5e\u304b\u3089\u59cb\u3081\u308b\u3001\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9<\/td><td><code>calculateTotal()<\/code>, <code>validateInput()<\/code><\/td><\/tr><tr><td>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/td><td>\u540d\u8a5e\u3001\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9<\/td><td><code>firstName<\/code>, <code>totalAmount<\/code><\/td><\/tr><tr><td>\u5b9a\u6570<\/td><td>\u5927\u6587\u5b57\u3001\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u533a\u5207\u308a<\/td><td><code>MAX_RETRY_COUNT<\/code>, <code>DEFAULT_TIMEOUT<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-99\">\n<p>2. <strong><strong><strong><strong>getter\u3068setter\u306e\u547d\u540d<\/strong><\/strong><\/strong><\/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 class Employee {\n    private String firstName;\n    private boolean active;\n    private List&lt;String&gt; roles;\n\n    \/\/ getter - \"get\" + \u30d5\u30a3\u30fc\u30eb\u30c9\u540d\n    public String getFirstName() {\n        return firstName;\n    }\n\n    \/\/ boolean\u578b\u306e getter - \"is\" + \u30d5\u30a3\u30fc\u30eb\u30c9\u540d\n    public boolean isActive() {\n        return active;\n    }\n\n    \/\/ setter - \"set\" + \u30d5\u30a3\u30fc\u30eb\u30c9\u540d\n    public void setFirstName(String firstName) {\n        this.firstName = firstName;\n    }\n\n    \/\/ \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e getter - \u9632\u885b\u7684\u30b3\u30d4\u30fc\u3092\u8fd4\u3059\n    public List&lt;String&gt; getRoles() {\n        return new ArrayList&lt;&gt;(roles);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-100\">\n<h3 class=\"wp-block-heading\" id=\"i-16\">4.3 \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u542b\u3081\u305f\u5805\u7262\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-101\">\n<p>1. <strong><strong><strong><strong><strong>\u5165\u529b\u5024\u306e\u691c\u8a3c<\/strong><\/strong><\/strong><\/strong><\/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 class Order {\n    private String orderId;\n    private List&lt;OrderItem&gt; items;\n    private LocalDate orderDate;\n\n    public void addItem(OrderItem item) {\n        \/\/ null \u30c1\u30a7\u30c3\u30af\n        Objects.requireNonNull(item, \"\u6ce8\u6587\u9805\u76ee\u304cnull\u3067\u3059\");\n\n        \/\/ \u72b6\u614b\u30c1\u30a7\u30c3\u30af\n        if (items == null) {\n            items = new ArrayList&lt;&gt;();\n        }\n\n        \/\/ \u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306e\u691c\u8a3c\n        if (items.size() &gt;= 100) {\n            throw new IllegalStateException(\"1\u3064\u306e\u6ce8\u6587\u306b\u542b\u3081\u3089\u308c\u308b\u9805\u76ee\u306f100\u500b\u307e\u3067\u3067\u3059\");\n        }\n\n        items.add(item);\n    }\n\n    public void setOrderDate(LocalDate date) {\n        \/\/ null \u30c1\u30a7\u30c3\u30af\n        Objects.requireNonNull(date, \"\u6ce8\u6587\u65e5\u304cnull\u3067\u3059\");\n\n        \/\/ \u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306e\u691c\u8a3c\n        if (date.isBefore(LocalDate.now())) {\n            throw new IllegalArgumentException(\"\u6ce8\u6587\u65e5\u306f\u4eca\u65e5\u4ee5\u964d\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n\n        this.orderDate = date;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-102\">\n<p>2. <strong>\u4e0d\u5909\u6761\u4ef6\u306e\u4fdd\u6301<\/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 class BankAccount {\n    private double balance;\n    private boolean frozen;\n\n    public void withdraw(double amount) {\n        \/\/ \u72b6\u614b\u30c1\u30a7\u30c3\u30af\n        if (frozen) {\n            throw new IllegalStateException(\"\u53e3\u5ea7\u304c\u51cd\u7d50\u3055\u308c\u3066\u3044\u307e\u3059\");\n        }\n\n        \/\/ \u5f15\u6570\u306e\u691c\u8a3c\n        if (amount &lt;= 0) {\n            throw new IllegalArgumentException(\"\u5f15\u304d\u51fa\u3057\u984d\u306f0\u3088\u308a\u5927\u304d\u3044\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n\n        \/\/ \u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306e\u691c\u8a3c\n        if (amount &gt; balance) {\n            throw new InsufficientFundsException(\"\u6b8b\u9ad8\u4e0d\u8db3\u3067\u3059\");\n        }\n\n        \/\/ \u4e0d\u5909\u6761\u4ef6\u3092\u4fdd\u6301\u3057\u306a\u304c\u3089\u66f4\u65b0\n        balance -= amount;\n        assert balance &gt;= 0 : \"\u6b8b\u9ad8\u304c\u8ca0\u306e\u5024\u306b\u306a\u3063\u3066\u3044\u307e\u3059\";\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-103\">\n<p>3. <strong><strong>\u4f8b\u5916\u51e6\u7406\u306e\u9069\u5207\u306a\u4f7f\u7528<\/strong><\/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 class UserService {\n    public void updateUser(User user) {\n        try {\n            validateUser(user);\n            \/\/ \u30e6\u30fc\u30b6\u30fc\u66f4\u65b0\u51e6\u7406\n        } catch (ValidationException e) {\n            \/\/ \u691c\u8a3c\u30a8\u30e9\u30fc\u306e\u51e6\u7406\n            throw new BusinessException(\"\u30e6\u30fc\u30b6\u30fc\u66f4\u65b0\u306b\u5931\u6557\u3057\u307e\u3057\u305f\", e);\n        } catch (DatabaseException e) {\n            \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30e9\u30fc\u306e\u51e6\u7406\n            throw new SystemException(\"\u30b7\u30b9\u30c6\u30e0\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\", e);\n        }\n    }\n\n    private void validateUser(User user) {\n        if (user == null) {\n            throw new ValidationException(\"\u30e6\u30fc\u30b6\u30fc\u304cnull\u3067\u3059\");\n        }\n        \/\/ \u305d\u306e\u4ed6\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-104\">\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-109\">\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:#009EF3;color:#FFF\" class=\"sgb-box-simple__title\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u306e\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#009EF3;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-105\">\n<li>\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u5411\u4e0a<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-106\">\n<li>\u30d0\u30b0\u306e\u4e88\u9632<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-107\">\n<li>\u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-108\">\n<li>\u30c6\u30b9\u30c8\u306e\u5bb9\u6613\u6027<\/li>\n<\/div>\n\n\n<li>\u30c1\u30fc\u30e0\u958b\u767a\u306e\u52b9\u7387\u5316<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-110\">\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u3068\u3001\u3088\u304f\u3042\u308b\u30df\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-111\">\n<h2 class=\"wp-block-heading\" id=\"i-17\">\uff15\uff0e\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u306e\u6ce8\u610f\u70b9\u3068\u826f\u304f\u3042\u308b\u30df\u30b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-112\">\n<h3 class=\"wp-block-heading\" id=\"i-18\">5.1 \u904e\u5ea6\u306a\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u907f\u3051\u308b\u3079\u304d\u7406\u7531<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-113\">\n<p>\u904e\u5ea6\u306a\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u3001\u304b\u3048\u3063\u3066\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-114\">\n<p>1. <strong>\u4e0d\u5fc5\u8981\u306agetter\u3068setter\u306e\u4e71\u7528<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bgetter\u3068setter\u3092\u7528\u610f\npublic class Customer {\n    private String firstName;\n    private String lastName;\n    private String email;\n    private String phone;\n    private String address;\n\n    \/\/ \u5fc5\u8981\u6027\u3092\u8003\u3048\u305a\u306b\u5168\u30d5\u30a3\u30fc\u30eb\u30c9\u306bgetter\/setter\u3092\u8ffd\u52a0\n    public String getFirstName() { return firstName; }\n    public void setFirstName(String firstName) { this.firstName = firstName; }\n    public String getLastName() { return lastName; }\n    public void setLastName(String lastName) { this.lastName = lastName; }\n    \/\/ ... \u4ee5\u4e0b\u540c\u69d8\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u3092\u63d0\u4f9b\npublic class Customer {\n    private String firstName;\n    private String lastName;\n    private String email;\n    private String phone;\n    private String address;\n\n    \/\/ \u672c\u5f53\u306b\u5fc5\u8981\u306a\u64cd\u4f5c\u306e\u307f\u3092\u516c\u958b\n    public String getFullName() {\n        return firstName + \" \" + lastName;\n    }\n\n    public void updateContactInfo(String email, String phone) {\n        validateEmail(email);\n        validatePhone(phone);\n        this.email = email;\n        this.phone = phone;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-115\">\n<p>2. <strong>\u904e\u5270\u306a\u96a0\u853d\u306b\u3088\u308b\u6a5f\u80fd\u5236\u9650<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u5fc5\u8981\u4ee5\u4e0a\u306b\u5236\u9650\u7684\npublic class Logger {\n    private List&lt;String&gt; logs;\n    private int maxSize;\n\n    private void addLog(String message) {  \/\/ private\u306b\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\n        logs.add(message);\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u30ec\u30d9\u30eb\npublic class Logger {\n    private List&lt;String&gt; logs;\n    private int maxSize;\n\n    protected void addLog(String message) {  \/\/ \u30b5\u30d6\u30af\u30e9\u30b9\u3067\u306e\u62e1\u5f35\u3092\u8a31\u53ef\n        if (logs.size() &gt;= maxSize) {\n            logs.remove(0);\n        }\n        logs.add(message);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">5.2 getter\u3068setter\u306e\u904e\u5270\u306a\u4f7f\u7528\u306e\u554f\u984c\u70b9<\/h3>\n\n\n<div id=\"sgb-css-id-116\">\n<p>1. <strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u8cab\u6027\u304c\u640d\u306a\u308f\u308c\u308b<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u72b6\u614b\u306e\u4e00\u8cab\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\npublic class Rectangle {\n    private double width;\n    private double height;\n    private double area;  \/\/ \u6d3e\u751f\u30d5\u30a3\u30fc\u30eb\u30c9\n\n    public void setWidth(double width) {\n        this.width = width;\n        \/\/ area\u306e\u66f4\u65b0\u3092\u5fd8\u308c\u3066\u3044\u308b\n    }\n\n    public void setHeight(double height) {\n        this.height = height;\n        \/\/ area\u306e\u66f4\u65b0\u3092\u5fd8\u308c\u3066\u3044\u308b\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u72b6\u614b\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u8a3c\npublic class Rectangle {\n    private double width;\n    private double height;\n\n    public void resize(double width, double height) {\n        if (width &lt;= 0 || height &lt;= 0) {\n            throw new IllegalArgumentException(\"\u5e45\u3068\u9ad8\u3055\u306f\u6b63\u306e\u5024\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\");\n        }\n        this.width = width;\n        this.height = height;\n    }\n\n    public double getArea() {\n        return width * height;  \/\/ \u5fc5\u8981\u6642\u306b\u8a08\u7b97\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-117\">\n<p>2. <strong>\u30c9\u30e1\u30a4\u30f3\u30ed\u30b8\u30c3\u30af\u306e\u6f0f\u6d29<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u5206\u6563\npublic class Order {\n    private List&lt;OrderItem&gt; items;\n    private double totalAmount;\n\n    public List&lt;OrderItem&gt; getItems() {\n        return items;\n    }\n\n    public void setTotalAmount(double totalAmount) {\n        this.totalAmount = totalAmount;\n    }\n}\n\n\/\/ \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30fc\u30c9\norder.setTotalAmount(order.getItems().stream()\n    .mapToDouble(item -&gt; item.getPrice() * item.getQuantity())\n    .sum());\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u30ab\u30d7\u30bb\u30eb\u5316\npublic class Order {\n    private List&lt;OrderItem&gt; items;\n    private double totalAmount;\n\n    public void addItem(OrderItem item) {\n        items.add(item);\n        recalculateTotal();\n    }\n\n    private void recalculateTotal() {\n        this.totalAmount = items.stream()\n            .mapToDouble(item -&gt; item.getPrice() * item.getQuantity())\n            .sum();\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">5.3 \u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u5b9f\u88c5\u30df\u30b9\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n<div id=\"sgb-css-id-118\">\n<p>1. <strong>\u53ef\u5909\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u76f4\u63a5\u8fd4\u5374<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u5185\u90e8\u306e\u72b6\u614b\u304c\u5916\u90e8\u304b\u3089\u5909\u66f4\u53ef\u80fd\npublic class Department {\n    private List&lt;Employee&gt; employees;\n\n    public List&lt;Employee&gt; getEmployees() {\n        return employees;  \/\/ \u76f4\u63a5\u53c2\u7167\u3092\u8fd4\u3057\u3066\u3044\u308b\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u9632\u885b\u7684\u30b3\u30d4\u30fc\u307e\u305f\u306f\u4e0d\u5909\u30d3\u30e5\u30fc\u3092\u8fd4\u3059\npublic class Department {\n    private final List&lt;Employee&gt; employees;\n\n    public List&lt;Employee&gt; getEmployees() {\n        return Collections.unmodifiableList(employees);\n    }\n\n    \/\/ \u5fc5\u8981\u306a\u64cd\u4f5c\u306e\u307f\u3092\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u63d0\u4f9b\n    public void addEmployee(Employee employee) {\n        employees.add(employee);\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-119\">\n<p>2. <strong>\u4e0d\u9069\u5207\u306a\u53ef\u8996\u6027\u8a2d\u5b9a<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u30d1\u30c3\u30b1\u30fc\u30b8\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3067\u5341\u5206\u306a\u5834\u5408\u306bpublic\u3092\u4f7f\u7528\npublic class Helper {\n    public static void helperMethod() {  \/\/ \u4ed6\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\n        \/\/ ...\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u6700\u5c0f\u9650\u306e\u53ef\u8996\u6027\u3092\u8a2d\u5b9a\nclass Helper {  \/\/ \u30d1\u30c3\u30b1\u30fc\u30b8\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\n    static void helperMethod() {\n        \/\/ ...\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-120\">\n<p>3. <strong>\u4e0d\u5b8c\u5168\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\uff1a\u90e8\u5206\u7684\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\npublic class User {\n    private String email;\n\n    public void setEmail(String email) {\n        if (email == null) {  \/\/ null \u30c1\u30a7\u30c3\u30af\u306e\u307f\n            throw new IllegalArgumentException(\"\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304cnull\u3067\u3059\");\n        }\n        this.email = email;\n    }\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1a\u5b8c\u5168\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\npublic class User {\n    private String email;\n    private static final Pattern EMAIL_PATTERN = \n        Pattern.compile(\"^[A-Za-z0-9+_.-]+@(.+)$\");\n\n    public void setEmail(String email) {\n        if (email == null) {\n            throw new IllegalArgumentException(\"\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304cnull\u3067\u3059\");\n        }\n        if (!EMAIL_PATTERN.matcher(email).matches()) {\n            throw new IllegalArgumentException(\"\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u4e0d\u6b63\u3067\u3059\");\n        }\n        this.email = email.toLowerCase();  \/\/ \u6b63\u898f\u5316\u3082\u884c\u3046\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-121\">\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-127\">\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\">\u554f\u984c\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/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-122\">\n<li>\u672c\u5f53\u306bgetter\u3084setter\u304c\u5fc5\u8981\u304b\u691c\u8a0e\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-123\">\n<li>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306f\u9069\u5207\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-124\">\n<li>\u4e0d\u5909\u6027\u3092\u610f\u8b58\u3057\u305f\u8a2d\u8a08\u3092\u5fc3\u304c\u3051\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-125\">\n<li>\u9069\u5207\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-126\">\n<li>\u6700\u5c0f\u9650\u306e\u53ef\u8996\u6027\u3092\u8a2d\u5b9a\u3059\u308b<\/li>\n<\/div>\n\n\n<li>\u9632\u885b\u7684\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u8df5\u3059\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-128\">\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u8e0f\u307e\u3048\u3066\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9f\u8df5\u7684\u306a\u307e\u3068\u3081\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-129\">\n<h2 class=\"wp-block-heading\" id=\"i-21\">\u307e\u3068\u3081\uff1a\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u5b9f\u73fe\u3059\u308b\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u8a2d\u8a08<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-130\">\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u30ab\u30d7\u30bb\u30eb\u5316\u5c0e\u5165\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-131\">\n<p>\u4ee5\u4e0b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u5b9f\u88c5\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-148\">\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\">\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-132\">\n<p><strong>1. \u30c7\u30fc\u30bf\u306e\u96a0\u853d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-133\">\n<p>\u3000\u25cf \u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u3067\u5ba3\u8a00\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-134\">\n<p>\u3000\u25cf \u5916\u90e8\u304b\u3089\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-135\">\n<p>\u3000\u25cf \u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-136\">\n<p><strong>2. \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-137\">\n<p>\u3000\u25cf \u3059\u3079\u3066\u306e\u5165\u529b\u5024\u306b\u5bfe\u3057\u3066\u9069\u5207\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-138\">\n<p>\u3000\u25cf \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u304c\u4e00\u8cab\u3057\u3066\u4fdd\u305f\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-139\">\n<p>\u3000\u25cf \u4e0d\u5909\u6761\u4ef6\u304c\u5e38\u306b\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-140\">\n<p><strong>3. \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a2d\u8a08<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-141\">\n<p>\u3000\u25cf \u30e1\u30bd\u30c3\u30c9\u306e\u547d\u540d\u304c\u9069\u5207\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-142\">\n<p>\u3000\u25cf \u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u623b\u308a\u5024\u306e\u578b\u304c\u9069\u5207\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-143\">\n<p>\u3000\u25cf \u30e1\u30bd\u30c3\u30c9\u306e\u8cac\u52d9\u304c\u660e\u78ba\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-144\">\n<p><strong>4. \u5b9f\u88c5\u306e\u54c1\u8cea<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-145\">\n<p>\u3000\u25cf \u4e0d\u8981\u306agetter\/setter\u304c\u306a\u3044\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-146\">\n<p>\u3000\u25cf \u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u9069\u5207\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-147\">\n<p>\u3000\u25cf \u53ef\u5909\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-149\">\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u7d39\u4ecb<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-150\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u63a8\u5968\u30ea\u30bd\u30fc\u30b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-163\">\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\">\u5b66\u7fd2\u306e\u30ea\u30bd\u30fc\u30b9\u7d39\u4ecb<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\"><div id=\"sgb-css-id-151\">\n<p><strong>1. \u66f8\u7c4d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-152\">\n<p>\u3000\u25cf Effective Java\uff08Joshua Bloch\u8457\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-153\">\n<p>\u3000\u25cf Clean Code\uff08Robert C. Martin\u8457\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-154\">\n<p>\u3000\u25cf Head First Design Patterns<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-155\">\n<p><strong>2. \u30aa\u30f3\u30e9\u30a4\u30f3\u30ea\u30bd\u30fc\u30b9<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-156\">\n<p>\u3000\u25cf Oracle Java Documentation<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-157\">\n<p>\u3000\u25cf Java Code Conventions<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-158\">\n<p>\u3000\u25cf \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u539f\u5247\uff08SOLID\u539f\u5247\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-159\">\n<p><strong>3. \u5b9f\u8df5\u7684\u306a\u5b66\u7fd2\u65b9\u6cd5<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-160\">\n<p>\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-161\">\n<p>\u3000\u25cf \u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u306e\u5b66\u7fd2\u3068\u5b9f\u88c5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-162\">\n<p>\u3000\u25cf \u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3078\u306e\u7a4d\u6975\u7684\u306a\u53c2\u52a0<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-164\">\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u6700\u5f8c\u306b<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-165\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u3001\u4ee5\u4e0b\u306e\u76ee\u6a19\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u624b\u6bb5\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-166\">\n<p>1. <strong>\u4fdd\u5b88\u6027\u306e\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=\"\">   \/\/ \u30ab\u30d7\u30bb\u30eb\u5316\u306b\u3088\u308a\u3001\u5185\u90e8\u5b9f\u88c5\u306e\u5909\u66f4\u304c\u5bb9\u6613\n   public class UserAuthentication {\n       private AuthenticationStrategy authStrategy;\n\n       public boolean authenticate(String username, String password) {\n           \/\/ \u8a8d\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u5916\u90e8\u306e\u30b3\u30fc\u30c9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\n           return authStrategy.verify(username, password);\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-167\">\n<p>2. <strong>\u518d\u5229\u7528\u6027\u306e\u78ba\u4fdd<\/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=\"\">   \/\/ \u72ec\u7acb\u6027\u306e\u9ad8\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u5229\u7528\u53ef\u80fd\n   public class EmailValidator {\n       private static final Pattern EMAIL_PATTERN = Pattern.compile(\"...\");\n\n       public boolean isValid(String email) {\n           return email != null &amp;&amp; EMAIL_PATTERN.matcher(email).matches();\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-168\">\n<p>3. <strong>\u30d0\u30b0\u306e\u4e88\u9632<\/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=\"\">   \/\/ \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\n   public class Account {\n       private BigDecimal balance;\n\n       public void transfer(Account target, BigDecimal amount) {\n           synchronized(this) {\n               if (balance.compareTo(amount) &gt;= 0) {\n                   balance = balance.subtract(amount);\n                   target.deposit(amount);\n               }\n           }\n       }\n   }<\/pre>\n\n\n<div id=\"sgb-css-id-169\">\n<p>\u3053\u308c\u3089\u306e\u539f\u5247\u3092\u610f\u8b58\u3057\u306a\u304c\u3089\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30ec\u30d9\u30eb\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u5b89\u5168\u3067\u62e1\u5f35\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-170\">\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u306f\u5358\u306a\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3067\u306f\u306a\u304f\u3001\u826f\u8cea\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8a2d\u8a08\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u8003\u3048\u65b9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u3001\u3088\u308a\u826f\u3044\u30b3\u30fc\u30c9\u8a2d\u8a08\u3092\u76ee\u6307\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":2990,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,72,66],"tags":[],"class_list":{"0":"post-544","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-java","8":"category-java-oop","9":"category-java-syntax"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=544"}],"version-history":[{"count":9,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/544\/revisions"}],"predecessor-version":[{"id":3026,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/544\/revisions\/3026"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/2990"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}