{"id":678,"date":"2024-11-14T17:06:48","date_gmt":"2024-11-14T08:06:48","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=678"},"modified":"2025-03-24T08:52:56","modified_gmt":"2025-03-23T23:52:56","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91java%e3%81%ae%e7%92%b0%e5%a2%83%e5%a4%89%e6%95%b0%e8%a8%ad%e5%ae%9a%e5%ae%8c%e5%85%a8%e3%83%9e%e3%83%8b%e3%83%a5%e3%82%a2%e3%83%ab2024-%e5%88%9d%e5%bf%83","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=678","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011Java\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u5b8c\u5168\u30de\u30cb\u30e5\u30a2\u30eb2024 &#8211; \u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308b\u8a2d\u5b9a\u624b\u9806\u30687\u3064\u306e\u30c8\u30e9\u30d6\u30eb\u89e3\u6c7a\u6cd5"},"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\uff0e\u74b0\u5883\u5909\u6570\u3068\u306f\uff1fJava\u3067\u306a\u305c\u91cd\u8981\u306a\u306e\u304b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">1.1 \u74b0\u5883\u5909\u6570\u304c\u958b\u767a\u74b0\u5883\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">1.2 \u4e3b\u8981\u306a\u74b0\u5883\u5909\u6570\uff08JAVA_HOME, PATH\uff09\u306e\u5f79\u5272<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\uff12\uff0e\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u65b9\u6cd5\uff08Windows\/Mac\/Linux\uff09<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">2.1 JAVA_HOME\u306e\u6b63\u3057\u3044\u8a2d\u5b9a\u624b\u9806<\/a>      <\/li>      <li>        <a href=\"#i-11\">2.2 PATH\u3078\u306eJava\u5b9f\u884c\u74b0\u5883\u306e\u8ffd\u52a0\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">2.3 CLASSPATH\u306e\u8a2d\u5b9a\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-17\">\uff13\uff0e\u8907\u6570\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-18\">3.1 \u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048\u306e\u52b9\u7387\u7684\u306a\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-21\">3.2 \u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5225\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-25\">\uff14\uff0e\u74b0\u5883\u5909\u6570\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-26\">4.1 \u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-30\">4.2 \u74b0\u5883\u5909\u6570\u304c\u53cd\u6620\u3055\u308c\u306a\u3044\u5834\u5408\u306e\u78ba\u8a8d\u624b\u9806<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-34\">4.3 \u30d1\u30b9\u306e\u512a\u5148\u9806\u4f4d\u306b\u3088\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u89e3\u6c7a<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-38\">\uff15\uff0e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-39\">5.1 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u8a2d\u5b9a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-42\">5.2 \u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3051\u308b\u74b0\u5883\u5909\u6570\u306e\u5171\u6709\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-46\">5.3 \u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-50\">\uff16\uff0e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u5fdc\u7528\u3068\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-51\">6.1 IDE\u3067\u306e\u74b0\u5883\u5909\u6570\u6d3b\u7528\u8853<\/a>      <\/li>      <li>        <a href=\"#i-53\">6.2 CI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306e\u74b0\u5883\u5909\u6570\u306e\u6271\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-56\">6.3 Docker\u74b0\u5883\u3067\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-60\">\u307e\u3068\u3081\uff1a\u52b9\u7387\u7684\u306aJava\u74b0\u5883\u5909\u6570\u7ba1\u7406\u306e\u305f\u3081\u306b<\/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\u958b\u767a\u3092\u59cb\u3081\u305f\u3070\u304b\u308a\u306e\u65b9\u304b\u3089\u7d4c\u9a13\u8c4a\u5bcc\u306a\u958b\u767a\u8005\u307e\u3067\u3001\u591a\u304f\u306e\u65b9\u304c\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u3067\u60a9\u3093\u3060\u7d4c\u9a13\u304c\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u300cjava\u300d\u30b3\u30de\u30f3\u30c9\u304c\u8a8d\u8b58\u3055\u308c\u306a\u3044\u3001\u8907\u6570\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5207\u308a\u66ff\u3048\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u3001\u30c1\u30fc\u30e0\u5168\u4f53\u3067\u74b0\u5883\u8a2d\u5b9a\u3092\u7d71\u4e00\u3057\u305f\u3044\u2026\u306a\u3069\u3001\u74b0\u5883\u5909\u6570\u306b\u95a2\u3059\u308b\u8ab2\u984c\u306f\u5c3d\u304d\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-3\">\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Java\u958b\u767a\u306b\u304a\u3051\u308b\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u3001\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u4f53\u7cfb\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002Windows\u3001macOS\u3001Linux\u306e\u305d\u308c\u305e\u308c\u306e\u74b0\u5883\u306b\u5bfe\u5fdc\u3057\u3001\u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u89e3\u6c7a\u65b9\u6cd5\u304b\u3089\u3001\u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3051\u308b\u7ba1\u7406\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u3055\u3089\u306b\u306fDocker\u74b0\u5883\u3067\u306e\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u77e5\u8b58\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-4\">\n<p>\u521d\u5fc3\u8005\u306e\u65b9\u306b\u306f\u74b0\u5883\u69cb\u7bc9\u306e\u57fa\u790e\u3092\u3001\u7d4c\u9a13\u8005\u306e\u65b9\u306b\u306f\u52b9\u7387\u7684\u306a\u7ba1\u7406\u624b\u6cd5\u3092\u3001\u6280\u8853\u30ea\u30fc\u30c0\u30fc\u306e\u65b9\u306b\u306f\u30c1\u30fc\u30e0\u5168\u4f53\u3067\u306e\u904b\u7528\u30ce\u30a6\u30cf\u30a6\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8a18\u4e8b\u306e\u5185\u5bb9\u306f2024\u5e74\u306e\u6700\u65b0\u306eJava\u958b\u767a\u74b0\u5883\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u5b9f\u52d9\u3067\u5373\u6d3b\u7528\u3067\u304d\u308b\u60c5\u5831\u3092\u53b3\u9078\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-5\">\n<p>\u305d\u308c\u3067\u306f\u3001Java\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u3001\u9806\u3092\u8ffd\u3063\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-6\">\n<h2 class=\"wp-block-heading\" id=\"i-1\">\uff11\uff0e\u74b0\u5883\u5909\u6570\u3068\u306f\uff1fJava\u3067\u306a\u305c\u91cd\u8981\u306a\u306e\u304b<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-7\">\n<h3 class=\"wp-block-heading\" id=\"i-2\">1.1 \u74b0\u5883\u5909\u6570\u304c\u958b\u767a\u74b0\u5883\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-8\">\n<p>\u74b0\u5883\u5909\u6570\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\uff08OS\uff09\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30d7\u30ed\u30bb\u30b9\u304c\u53c2\u7167\u3067\u304d\u308b\u52d5\u7684\u306a\u5024\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002Java\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u74b0\u5883\u5909\u6570\u306f\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"id-c424c87c-b5c0-4d96-906e-7239d54e68d3\"><div id=\"sgb-css-id-9\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5f71\u97ff\u7bc4\u56f2<\/th><th>\u5177\u4f53\u7684\u306a\u52b9\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u5b9f\u884c\u74b0\u5883\u306e\u6a19\u6e96\u5316<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30e1\u30f3\u30d0\u30fc\u5168\u54e1\u304c\u540c\u3058Java\u5b9f\u884c\u74b0\u5883\u3092\u4f7f\u7528\u53ef\u80fd<\/td><\/tr><tr><td>\u4f9d\u5b58\u95a2\u4fc2\u306e\u89e3\u6c7a<\/td><td>\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30c4\u30fc\u30eb\u306e\u5834\u6240\u3092\u6b63\u3057\u304f\u6307\u5b9a<\/td><\/tr><tr><td>\u30d3\u30eb\u30c9\u30d7\u30ed\u30bb\u30b9<\/td><td>Maven\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u306aJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5834\u6240\u3092\u7279\u5b9a<\/td><\/tr><tr><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td><td>\u6a5f\u5bc6\u60c5\u5831\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u5206\u96e2\u3057\u3066\u7ba1\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-10\">\n<h3 class=\"wp-block-heading\" id=\"i-3\">1.2 \u4e3b\u8981\u306a\u74b0\u5883\u5909\u6570\uff08JAVA_HOME, PATH\uff09\u306e\u5f79\u5272<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-11\">\n<p>Java\u958b\u767a\u3067\u7279\u306b\u91cd\u8981\u306a\u74b0\u5883\u5909\u6570\u306b\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-12\">\n<h4 class=\"wp-block-heading\" id=\"i-4\">1. JAVA_HOME<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-13\">\n<p>\u3000\u25cf <strong>\u5b9a\u7fa9<\/strong>\uff1a Java\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u5b9a\u3059\u308b\u74b0\u5883\u5909\u6570<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-14\">\n<p>\u3000\u25cf <strong><strong>\u91cd\u8981\u6027<\/strong><\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-15\">\n<p>\u3000\u3000\u25cf Java\u95a2\u9023\u30c4\u30fc\u30eb\uff08Maven, Gradle\u7b49\uff09\u306e\u52d5\u4f5c\u57fa\u6e96\u70b9<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-16\">\n<p>\u3000\u3000\u25cf IDE\u304cJDK\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u53c2\u7167\u5148<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-17\">\n<p>\u3000\u25cf <strong><strong><strong>\u8a2d\u5b9a\u4f8b<\/strong><\/strong><\/strong>\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=\"\">  # Windows\n  JAVA_HOME=C:\\Program Files\\Java\\jdk-17\n\n  # Unix\/Linux\/Mac\n  JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk<\/pre>\n\n\n<div id=\"sgb-css-id-18\">\n<h4 class=\"wp-block-heading\" id=\"i-5\">2. PATH<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-19\">\n<p>\u3000\u25cf <strong>\u5b9a\u7fa9<\/strong>\uff1a Java\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\uff08java, javac\u7b49\uff09\u3092\u4efb\u610f\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u5b9f\u884c\u53ef\u80fd\u306b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-20\">\n<p>\u3000\u25cf <strong><strong>\u91cd\u8981\u6027<\/strong><\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-21\">\n<p>\u3000\u3000\u25cf \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u306eJava\u30c4\u30fc\u30eb\u5b9f\u884c<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-22\">\n<p>\u3000\u3000\u25cf \u5916\u90e8\u30c4\u30fc\u30eb\u304b\u3089\u306eJava\u5b9f\u884c\u74b0\u5883\u306e\u691c\u51fa<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-23\">\n<p>\u3000\u25cf <strong><strong><strong>\u8a2d\u5b9a\u4f8b<\/strong><\/strong><\/strong>\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=\"\">  # Windows\n  PATH=%JAVA_HOME%\\bin;%PATH%\n\n  # Unix\/Linux\/Mac\n  PATH=$JAVA_HOME\/bin:$PATH<\/pre>\n\n\n<div id=\"sgb-css-id-24\">\n<h4 class=\"wp-block-heading\" id=\"i-6\">3. CLASSPATH<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-25\">\n<p>\u3000\u25cf <strong>\u7528\u9014<\/strong>\uff1a Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3084\u30ea\u30bd\u30fc\u30b9\u306e\u691c\u7d22\u30d1\u30b9<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-26\">\n<p>\u3000\u25cf <strong><strong>\u5f71\u97ff<\/strong><\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-27\">\n<p>\u3000\u3000\u25cf \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8d77\u52d5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-28\">\n<p>\u3000\u3000\u25cf \u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u53c2\u7167<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-29\">\n<p>\u3000\u3000\u25cf \u30ea\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f<\/p>\n<\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u91cd\u8981<\/strong>\uff1a \u30e2\u30c0\u30f3\u306aJava\u958b\u767a\u3067\u306f\u3001CLASSPATH\u306e\u76f4\u63a5\u8a2d\u5b9a\u306f\u63a8\u5968\u3055\u308c\u305a\u3001\u4ee3\u308f\u308a\u306b\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\uff08Maven\/Gradle\uff09\u306b\u3088\u308b\u4f9d\u5b58\u95a2\u4fc2\u7ba1\u7406\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n<div id=\"sgb-css-id-30\">\n<p>\u3053\u308c\u3089\u306e\u74b0\u5883\u5909\u6570\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-34\">\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:#ffb36b;color:#FFF\" class=\"sgb-box-simple__title\">\u74b0\u5883\u5909\u6570\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306e\u554f\u984c<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#ffb36b;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-31\">\n<li>Java\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-32\">\n<li>\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e\u52d5\u4f5c\u4e0d\u826f<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-33\">\n<li>IDE\u3067\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a\u30a8\u30e9\u30fc<\/li>\n<\/div>\n\n\n<li>\u30c6\u30b9\u30c8\u5b9f\u884c\u74b0\u5883\u306e\u4e0d\u6574\u5408<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-35\">\n<p>\u9069\u5207\u306a\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306f\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u9632\u304e\u3001\u5b89\u5b9a\u3057\u305f\u958b\u767a\u74b0\u5883\u3092\u5b9f\u73fe\u3059\u308b\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-36\">\n<h2 class=\"wp-block-heading\" id=\"i-7\">\uff12\uff0e\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u65b9\u6cd5\uff08Windows\/Mac\/Linux\uff09<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-37\">\n<h3 class=\"wp-block-heading\" id=\"i-8\">2.1 JAVA_HOME\u306e\u6b63\u3057\u3044\u8a2d\u5b9a\u624b\u9806<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-38\">\n<h4 class=\"wp-block-heading\" id=\"i-9\">Windows\u74b0\u5883\u3067\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-39\">\n<p>\u30001. \u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u958b\u304f<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-40\">\n<p>\u3000\u3000\u25cf 1. Windows + R \u30ad\u30fc\u3092\u62bc\u3057\u3066 <code>sysdm.cpl<\/code> \u3092\u5b9f\u884c<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-41\">\n<p>\u3000\u3000\u25cf \u307e\u305f\u306f \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb \u2192 \u30b7\u30b9\u30c6\u30e0\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u2192 \u30b7\u30b9\u30c6\u30e0 \u2192 \u30b7\u30b9\u30c6\u30e0\u306e\u8a73\u7d30\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-42\">\n<p>\u30002. JAVA_HOME\u306e\u8a2d\u5b9a<\/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=\"\">   # \u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u5909\u6570\u3068\u3057\u3066\u4ee5\u4e0b\u3092\u8a2d\u5b9a\n   \u5909\u6570\u540d: JAVA_HOME\n   \u5909\u6570\u5024: C:\\Program Files\\Java\\jdk-17<\/pre>\n\n\n<div id=\"sgb-css-id-43\">\n<p>\u30003. \u8a2d\u5b9a\u306e\u78ba\u8a8d<\/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=\"\">   echo %JAVA_HOME%\n   # JDK\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30b9\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/pre>\n\n\n<div id=\"sgb-css-id-44\">\n<h4 class=\"wp-block-heading\" id=\"i-10\">Mac\/Linux\u74b0\u5883\u3067\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-45\">\n<p>\u30001. \u30b7\u30a7\u30eb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f<\/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=\"\">   # Bash\u306e\u5834\u5408\n   vim ~\/.bash_profile\n\n   # zsh\u306e\u5834\u5408\n   vim ~\/.zshrc<\/pre>\n\n\n<div id=\"sgb-css-id-46\">\n<p>\u30002. JAVA_HOME\u3092\u8a2d\u5b9a<\/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=\"\">   # Mac\n   export JAVA_HOME=$(\/usr\/libexec\/java_home -v 17)\n\n   # Linux\n   export JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk<\/pre>\n\n\n<div id=\"sgb-css-id-47\">\n<p>\u30003. \u8a2d\u5b9a\u306e\u53cd\u6620\u3068\u78ba\u8a8d<\/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=\"\">   source ~\/.bash_profile  # \u307e\u305f\u306f ~\/.zshrc\n   echo $JAVA_HOME<\/pre>\n\n\n<div id=\"sgb-css-id-48\">\n<h3 class=\"wp-block-heading\" id=\"i-11\">2.2 PATH\u3078\u306eJava\u5b9f\u884c\u74b0\u5883\u306e\u8ffd\u52a0\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-49\">\n<h4 class=\"wp-block-heading\" id=\"i-12\">Windows<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u5909\u6570\u306ePATH\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0\n%JAVA_HOME%\\bin<\/pre>\n\n\n<div id=\"sgb-css-id-50\">\n<h4 class=\"wp-block-heading\" id=\"i-13\">Mac\/Linux<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30b7\u30a7\u30eb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\nexport PATH=$JAVA_HOME\/bin:$PATH<\/pre>\n\n\n<div id=\"sgb-css-id-51\">\n<p>\u8a2d\u5b9a\u5f8c\u306e\u78ba\u8a8d\u65b9\u6cd5\uff1a<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u3059\u3079\u3066\u306eOS\u3067\u6709\u52b9\njava -version\njavac -version<\/pre>\n\n\n<div id=\"sgb-css-id-52\">\n<h3 class=\"wp-block-heading\" id=\"i-14\">2.3 CLASSPATH\u306e\u8a2d\u5b9a\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-53\">\n<h4 class=\"wp-block-heading\" id=\"i-15\">CLASSPATH\u306e\u57fa\u672c\u8a2d\u5b9a<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># Windows\nset CLASSPATH=.;%JAVA_HOME%\\lib;C:\\MyProject\\lib\\*\n\n# Mac\/Linux\nexport CLASSPATH=.:$JAVA_HOME\/lib:\/MyProject\/lib\/*<\/pre>\n\n\n<div id=\"sgb-css-id-54\">\n<h4 class=\"wp-block-heading\" id=\"i-16\">\u30e2\u30c0\u30f3\u306a\u958b\u767a\u306b\u304a\u3051\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-55\">\n<p>\u30001. <strong>\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e\u4f7f\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=\"\">   &lt;!-- Maven pom.xml \u3067\u306e\u4f9d\u5b58\u95a2\u4fc2\u7ba1\u7406 --&gt;\n   &lt;dependencies&gt;\n       &lt;dependency&gt;\n           &lt;groupId&gt;org.example&lt;\/groupId&gt;\n           &lt;artifactId&gt;library&lt;\/artifactId&gt;\n           &lt;version&gt;1.0.0&lt;\/version&gt;\n       &lt;\/dependency&gt;\n   &lt;\/dependencies&gt;<\/pre>\n\n\n<div id=\"sgb-css-id-56\">\n<p>\u30002. <strong><strong>IDE\u7d71\u5408\u306e\u6d3b\u7528<\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-57\">\n<p>\u3000\u3000\u25cf IntelliJ\u3084Eclipse\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a\u3067\u81ea\u52d5\u7684\u306b\u30af\u30e9\u30b9\u30d1\u30b9\u3092\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-58\">\n<p>\u3000\u3000\u25cf \u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\uff08Java 9\u4ee5\u964d\uff09\u306e\u4f7f\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-59\">\n<p>\u30003. <strong><strong><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5b9f\u884c\u6642\u306e\u6307\u5b9a<\/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=\"\">   # \u5fc5\u8981\u306a\u5834\u5408\u306e\u307f\u3001\u5b9f\u884c\u6642\u306b\u30af\u30e9\u30b9\u30d1\u30b9\u3092\u6307\u5b9a\n   java -cp \".\/lib\/*\" com.example.MainClass<\/pre>\n\n\n<div id=\"sgb-css-id-60\">\n<p>\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u78ba\u8a8d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-66\">\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\">\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u691c\u8a3c\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-61\">\n<p>\u25cf JAVA_HOME\u304c\u6b63\u3057\u3044JDK\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u3057\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-62\">\n<p>\u25cf PATH\u306bJDK\u306ebin\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u542b\u307e\u308c\u3066\u3044\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-63\">\n<p>\u25cf java -version\u30b3\u30de\u30f3\u30c9\u304c\u610f\u56f3\u3057\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u793a\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-64\">\n<p>\u25cf javac -version\u30b3\u30de\u30f3\u30c9\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-65\">\n<p>\u25cf IDE\u304c\u6b63\u3057\u3044JDK\u3092\u8a8d\u8b58\u3057\u3066\u3044\u308b<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-67\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f<\/strong>\uff1a \u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u5909\u6570\u306e\u5909\u66f4\u5f8c\u306f\u3001\u95a2\u9023\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3001IDE\u7b49\uff09\u306e\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<\/div>\n\n<div id=\"sgb-css-id-68\">\n<h2 class=\"wp-block-heading\" id=\"i-17\">\uff13\uff0e\u8907\u6570\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-69\">\n<h3 class=\"wp-block-heading\" id=\"i-18\">3.1 \u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048\u306e\u52b9\u7387\u7684\u306a\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-70\">\n<h4 class=\"wp-block-heading\" id=\"i-19\">1. \u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/h4>\n<\/div>\n\n<div id=\"id-8dcd9b66-79ce-4fc0-afd3-7ee20d51e593\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30c4\u30fc\u30eb\u540d<\/th><th>\u4e3b\u306a\u7279\u5fb4<\/th><th>\u5bfe\u5fdcOS<\/th><\/tr><\/thead><tbody><tr><td>SDKMAN!<\/td><td>\u30fbUnix\u7cfb\u30b7\u30b9\u30c6\u30e0\u3067\u4eba\u6c17<br>\u30fb\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u64cd\u4f5c\u304c\u7c21\u5358<br>\u30fb\u591a\u6570\u306eJDK\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5bfe\u5fdc<\/td><td>Linux, macOS<\/td><\/tr><tr><td>jabba<\/td><td>\u30fb\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<br>\u30fb\u8efd\u91cf<br>\u30fb\u30b9\u30af\u30ea\u30d7\u30c8\u9023\u643a\u304c\u5bb9\u6613<\/td><td>Windows, Linux, macOS<\/td><\/tr><tr><td>jEnv<\/td><td>\u30fbJava\u74b0\u5883\u306e\u5207\u308a\u66ff\u3048\u306b\u7279\u5316<br>\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3054\u3068\u306e\u8a2d\u5b9a\u304c\u53ef\u80fd<\/td><td>Linux, macOS<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div id=\"sgb-css-id-71\">\n<p><strong>SDKMAN!\u306e\u4f7f\u7528\u4f8b<\/strong>\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=\"\"># \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\ncurl -s \"https:\/\/get.sdkman.io\" | bash\n\n# \u5229\u7528\u53ef\u80fd\u306aJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e00\u89a7\u8868\u793a\nsdk list java\n\n# \u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsdk install java 17.0.2-open\n\n# \u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5207\u308a\u66ff\u3048\nsdk use java 17.0.2-open\n\n# \u30c7\u30d5\u30a9\u30eb\u30c8\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u8a2d\u5b9a\nsdk default java 17.0.2-open<\/pre>\n\n\n<div id=\"sgb-css-id-72\">\n<h4 class=\"wp-block-heading\" id=\"i-20\">2. \u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3088\u308b\u624b\u52d5\u5207\u308a\u66ff\u3048<\/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=\"\"># Windows\u7528\u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048\u30b9\u30af\u30ea\u30d7\u30c8 (switch-java.bat)\n@echo off\nif \"%1\"==\"8\" (\n    set JAVA_HOME=C:\\Program Files\\Java\\jdk1.8.0_301\n) else if \"%1\"==\"11\" (\n    set JAVA_HOME=C:\\Program Files\\Java\\jdk-11.0.12\n) else if \"%1\"==\"17\" (\n    set JAVA_HOME=C:\\Program Files\\Java\\jdk-17\n) else (\n    echo Usage: switch-java [8^|11^|17]\n    exit \/b 1\n)\necho Java version switched to %1\njava -version<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># Unix\u7cfb\u30b7\u30b9\u30c6\u30e0\u7528\u30b9\u30af\u30ea\u30d7\u30c8 (switch-java.sh)\n#!\/bin\/bash\ncase $1 in\n    \"8\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-8-openjdk\n        ;;\n    \"11\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-11-openjdk\n        ;;\n    \"17\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk\n        ;;\n    *)\n        echo \"Usage: source switch-java.sh [8|11|17]\"\n        return 1\n        ;;\nesac\nexport PATH=$JAVA_HOME\/bin:$PATH\necho \"Java version switched to $1\"\njava -version<\/pre>\n\n\n<div id=\"sgb-css-id-73\">\n<h3 class=\"wp-block-heading\" id=\"i-21\">3.2 \u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5225\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-74\">\n<h4 class=\"wp-block-heading\" id=\"i-22\">1. \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u6d3b\u7528<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-75\">\n<p><code>.env<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u56fa\u6709\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\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=\"\"># .env\nJAVA_VERSION=17\nJAVA_HOME=\/path\/to\/jdk-17\nMAVEN_OPTS=-Xmx2g\nADDITIONAL_CLASSPATH=\/path\/to\/project\/lib\/*<\/pre>\n\n\n<div id=\"sgb-css-id-76\">\n<h4 class=\"wp-block-heading\" id=\"i-23\">2. IDE\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-77\">\n<p><strong>IntelliJ IDEA<\/strong>\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=\"\">&lt;!-- .idea\/compiler.xml --&gt;\n&lt;project&gt;\n  &lt;component name=\"JavacSettings\"&gt;\n    &lt;option name=\"ADDITIONAL_OPTIONS_OVERRIDE\"&gt;\n      &lt;module name=\"project-name\" options=\"--release 11\" \/&gt;\n    &lt;\/option&gt;\n  &lt;\/component&gt;\n&lt;\/project&gt;<\/pre>\n\n\n<div id=\"sgb-css-id-78\">\n<p><strong>Eclipse<\/strong>\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=\"\"># .settings\/org.eclipse.jdt.core.prefs\norg.eclipse.jdt.core.compiler.release=enabled\norg.eclipse.jdt.core.compiler.source=11\norg.eclipse.jdt.core.compiler.target=11<\/pre>\n\n\n<div id=\"sgb-css-id-79\">\n<h4 class=\"wp-block-heading\" id=\"i-24\">3. \u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-80\">\n<p><strong>Maven<\/strong>\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=\"\">&lt;properties&gt;\n    &lt;maven.compiler.source&gt;11&lt;\/maven.compiler.source&gt;\n    &lt;maven.compiler.target&gt;11&lt;\/maven.compiler.target&gt;\n    &lt;java.version&gt;11&lt;\/java.version&gt;\n&lt;\/properties&gt;<\/pre>\n\n\n<div id=\"sgb-css-id-81\">\n<p><strong>Gradle<\/strong>\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=\"\">sourceCompatibility = JavaVersion.VERSION_11\ntargetCompatibility = JavaVersion.VERSION_11<\/pre>\n\n\n<div id=\"sgb-css-id-86\">\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\"><strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/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-82\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30eb\u30fc\u30c8\u306b<code>.java-version<\/code>\u30d5\u30a1\u30a4\u30eb\u3092\u914d\u7f6e\u3057\u3066\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u660e\u793a<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-83\">\n<li>CI\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u3082\u540c\u3058\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u65b9\u6cd5\u3092\u4f7f\u7528<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-84\">\n<li>\u30c1\u30fc\u30e0\u5168\u4f53\u3067\u540c\u3058\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb\u3092\u63a1\u7528<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-85\">\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u7ba1\u7406<\/li>\n<\/div><\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-87\">\n<p>\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u8907\u6570\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3054\u3068\u306b\u9069\u5207\u306a\u74b0\u5883\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-88\">\n<h2 class=\"wp-block-heading\" id=\"i-25\">\uff14\uff0e\u74b0\u5883\u5909\u6570\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-89\">\n<h3 class=\"wp-block-heading\" id=\"i-26\">4.1 \u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u5bfe\u51e6\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-90\">\n<h4 class=\"wp-block-heading\" id=\"i-27\">1. \u300c\u2019java\u2019 \u306f\u5185\u90e8\u30b3\u30de\u30f3\u30c9\u307e\u305f\u306f\u5916\u90e8\u30b3\u30de\u30f3\u30c9\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-91\">\n<p><strong>\u539f\u56e0<\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-92\">\n<p>\u3000\u25cf PATH\u306bJava\u306ebin\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-93\">\n<p>\u3000\u25cf JAVA_HOME\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-94\">\n<p>\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u306e\u518d\u8d77\u52d5\u304c\u5fc5\u8981<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-95\">\n<p><strong>\u89e3\u6c7a\u624b\u9806<\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-96\">\n<p>\u30001. PATH\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/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=\"\"># Windows\necho %PATH%\n\n# Unix\/Linux\/Mac\necho $PATH<\/pre>\n\n\n<div id=\"sgb-css-id-97\">\n<p>\u30002. JAVA_HOME\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/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=\"\"># Windows\necho %JAVA_HOME%\n\n# Unix\/Linux\/Mac\necho $JAVA_HOME<\/pre>\n\n\n<div id=\"sgb-css-id-98\">\n<p>\u30003. \u4e00\u6642\u7684\u306a\u89e3\u6c7a\u7b56<\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># Windows\nset PATH=%JAVA_HOME%\\bin;%PATH%\n\n# Unix\/Linux\/Mac\nexport PATH=$JAVA_HOME\/bin:$PATH<\/pre>\n\n\n<div id=\"sgb-css-id-99\">\n<h4 class=\"wp-block-heading\" id=\"i-28\">2. \u300cJAVA_HOME is not defined correctly\u300d<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-100\">\n<p><strong>\u5bfe\u51e6\u6cd5<\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-101\">\n<p>\u30001. JAVA_HOME\u306e\u5024\u3092\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-102\">\n<p>\u30002. \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5b58\u5728\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-103\">\n<p>\u30003. \u6a29\u9650\u306e\u78ba\u8a8d<\/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=\"\"># Windows\ndir %JAVA_HOME%\n\n# Unix\/Linux\/Mac\nls -l $JAVA_HOME<\/pre>\n\n\n<div id=\"sgb-css-id-104\">\n<h4 class=\"wp-block-heading\" id=\"i-29\">3. \u30af\u30e9\u30b9\u30d1\u30b9\u30a8\u30e9\u30fc\u300cClassNotFoundException\u300d<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-105\">\n<p><strong>\u89e3\u6c7a\u624b\u9806<\/strong>\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-106\">\n<p>\u30001. \u30af\u30e9\u30b9\u30d1\u30b9\u306e\u78ba\u8a8d<\/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=\"\"># \u73fe\u5728\u306e\u30af\u30e9\u30b9\u30d1\u30b9\u3092\u8868\u793a\njava -XshowSettings:properties -version 2&gt;&amp;1 | grep \"java.class.path\"<\/pre>\n\n\n<div id=\"sgb-css-id-107\">\n<p>\u30002. \u5fc5\u8981\u306aJAR\u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-108\">\n<p>\u30003. \u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e\u4f9d\u5b58\u95a2\u4fc2\u8a2d\u5b9a\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-109\">\n<h3 class=\"wp-block-heading\" id=\"i-30\">4.2 \u74b0\u5883\u5909\u6570\u304c\u53cd\u6620\u3055\u308c\u306a\u3044\u5834\u5408\u306e\u78ba\u8a8d\u624b\u9806<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-110\">\n<h4 class=\"wp-block-heading\" id=\"i-31\">1. \u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u306e\u30c1\u30a7\u30c3\u30af<\/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=\"\"># \u74b0\u5883\u5909\u6570\u306e\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\n# Windows\nset | findstr \"JAVA\"\n\n# Unix\/Linux\/Mac\nenv | grep \"JAVA\"<\/pre>\n\n\n<div id=\"sgb-css-id-111\">\n<h4 class=\"wp-block-heading\" id=\"i-32\">2. \u30d7\u30ed\u30bb\u30b9\u512a\u5148\u9806\u4f4d\u306e\u78ba\u8a8d<\/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=\"\"># Windows\uff08\u7ba1\u7406\u8005\u6a29\u9650\u3067\u5b9f\u884c\uff09\nwhoami \/groups\n\n# Unix\/Linux\/Mac\nid<\/pre>\n\n\n<div id=\"sgb-css-id-112\">\n<h4 class=\"wp-block-heading\" id=\"i-33\">3. \u30b7\u30a7\u30eb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u78ba\u8a8d<\/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=\"\"># Bash\ncat ~\/.bashrc\ncat ~\/.bash_profile\n\n# Zsh\ncat ~\/.zshrc<\/pre>\n\n\n<div id=\"sgb-css-id-113\">\n<h3 class=\"wp-block-heading\" id=\"i-34\">4.3 \u30d1\u30b9\u306e\u512a\u5148\u9806\u4f4d\u306b\u3088\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u89e3\u6c7a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-114\">\n<h4 class=\"wp-block-heading\" id=\"i-35\">1. PATH\u306e\u512a\u5148\u9806\u4f4d\u78ba\u8a8d<\/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=\"\"># Windows PowerShell\n$env:Path -split ';' | Select-Object -Unique\n\n# Unix\/Linux\/Mac\necho $PATH | tr ':' '\\n'<\/pre>\n\n\n<div id=\"sgb-css-id-115\">\n<h4 class=\"wp-block-heading\" id=\"i-36\">2. \u7af6\u5408\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h4>\n<\/div>\n\n<div id=\"id-eae0ed86-4760-473a-b5d7-d7bcc9c0e292\"><div id=\"sgb-css-id-116\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u554f\u984c<\/th><th>\u89e3\u6c7a\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u8907\u6570\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7af6\u5408<\/td><td>PATH\u306e\u9806\u5e8f\u3092\u8abf\u6574<\/td><\/tr><tr><td>\u30b7\u30b9\u30c6\u30e0\/\u30e6\u30fc\u30b6\u30fc\u74b0\u5883\u5909\u6570\u306e\u7af6\u5408<\/td><td>\u512a\u5148\u5ea6\u306e\u9ad8\u3044\u65b9\u3092\u6b63\u3057\u304f\u8a2d\u5b9a<\/td><\/tr><tr><td>IDE\u56fa\u6709\u306e\u8a2d\u5b9a\u3068\u306e\u7af6\u5408<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-117\">\n<h4 class=\"wp-block-heading\" id=\"i-37\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-118\">\n<p>\u3000\u25cf <strong>\u57fa\u672c\u78ba\u8a8d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-119\">\n<p>\u3000\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u5909\u6570\u306e\u5024<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-120\">\n<p>\u3000\u3000\u25cf \u30e6\u30fc\u30b6\u30fc\u74b0\u5883\u5909\u6570\u306e\u5024<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-121\">\n<p>\u3000\u3000\u25cf \u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306e\u5b58\u5728<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-122\">\n<p>\u3000\u3000\u25cf \u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u6a29\u9650<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-123\">\n<p>\u3000\u25cf <strong>\u5b9f\u884c\u74b0\u5883\u78ba\u8a8d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-124\">\n<p>\u3000\u3000\u25cf \u30b7\u30a7\u30eb\/\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u518d\u8d77\u52d5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-125\">\n<p>\u3000\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u306e\u518d\u8d77\u52d5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-126\">\n<p>\u3000\u3000\u25cf \u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u6a29\u9650<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-127\">\n<p>\u3000\u25cf <strong>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u78ba\u8a8d<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-128\">\n<p>\u3000\u3000\u25cf \u30b7\u30a7\u30eb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-129\">\n<p>\u3000\u3000\u25cf IDE\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-130\">\n<p>\u3000\u3000\u25cf \u30d3\u30eb\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-134\">\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\"><strong>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\"><div id=\"sgb-css-id-131\">\n<li>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6b63\u78ba\u306b\u8a18\u9332<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-132\">\n<li>\u74b0\u5883\u5909\u6570\u306e\u5909\u66f4\u5c65\u6b74\u3092\u7ba1\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-133\">\n<li>\u8a2d\u5b9a\u5909\u66f4\u524d\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210<\/li>\n<\/div>\n\n\n<li>\u30c1\u30fc\u30e0\u5185\u3067\u89e3\u6c7a\u7b56\u3092\u5171\u6709\u30fb\u6587\u66f8\u5316<\/li>\n<\/ol>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-135\">\n<p>\u3053\u308c\u3089\u306e\u624b\u9806\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u74b0\u5883\u5909\u6570\u95a2\u9023\u306e\u554f\u984c\u3092\u52b9\u7387\u7684\u306b\u7279\u5b9a\u3057\u3001\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u89e3\u6c7a\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3084\u30c1\u30fc\u30e0\u306e\u30b7\u30cb\u30a2\u30e1\u30f3\u30d0\u30fc\u306b\u76f8\u8ac7\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-136\">\n<h2 class=\"wp-block-heading\" id=\"i-38\">\uff15\uff0e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-137\">\n<h3 class=\"wp-block-heading\" id=\"i-39\">5.1 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-138\">\n<h4 class=\"wp-block-heading\" id=\"i-40\">1. \u6a5f\u5bc6\u60c5\u5831\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=\"\">\/\/ \u975e\u63a8\u5968\u306a\u65b9\u6cd5\npublic class Config {\n    \/\/ \u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u305f\u63a5\u7d9a\u60c5\u5831\uff08\u5371\u967a\uff09\n    private static final String DB_PASSWORD = \"password123\";\n}\n\n\/\/ \u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\npublic class Config {\n    \/\/ \u74b0\u5883\u5909\u6570\u304b\u3089\u5b89\u5168\u306b\u8aad\u307f\u8fbc\u307f\n    private static final String DB_PASSWORD = System.getenv(\"DB_PASSWORD\");\n}<\/pre>\n\n\n<div id=\"sgb-css-id-139\">\n<h4 class=\"wp-block-heading\" id=\"i-41\">2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-140\">\n<p>\u30001. <strong>\u74b0\u5883\u5909\u6570\u306e\u6697\u53f7\u5316<\/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=\"\"># \u6697\u53f7\u5316\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u4f8b\uff08Jasypt\uff09\njava -cp jasypt-1.9.3.jar org.jasypt.intf.cli.JasyptPBEStringEncryptionCLI \\\n  input=\"secretPassword\" \\\n  password=masterPassword \\\n  algorithm=PBEWITHHMACSHA512ANDAES_256<\/pre>\n\n\n<div id=\"sgb-css-id-141\">\n<p>\u30002. <strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/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=\"\"># Unix\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u6a29\u9650\u8a2d\u5b9a\nchmod 600 ~\/.env\nchmod 700 ~\/.ssh<\/pre>\n\n\n<div id=\"sgb-css-id-142\">\n<p>\u30003. <strong><strong>\u76e3\u67fb\u30ed\u30b0\u306e\u8a2d\u5b9a<\/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 EnvironmentAuditor {\n    private static final Logger logger = LoggerFactory.getLogger(EnvironmentAuditor.class);\n\n    public static void logEnvironmentAccess(String variableName) {\n        logger.info(\"Environment variable accessed: {}\", variableName);\n        \/\/ \u30a2\u30af\u30bb\u30b9\u60c5\u5831\u306e\u8a18\u9332\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-143\">\n<h3 class=\"wp-block-heading\" id=\"i-42\">5.2 \u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3051\u308b\u74b0\u5883\u5909\u6570\u306e\u5171\u6709\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-144\">\n<h4 class=\"wp-block-heading\" id=\"i-43\">1. \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\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=\"\"># .env.template\n# \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u5b9a\nDB_HOST=localhost\nDB_PORT=5432\nDB_NAME=myapp\nDB_USER=\nDB_PASSWORD=\n\n# API\u8a2d\u5b9a\nAPI_KEY=\nAPI_ENDPOINT=https:\/\/api.example.com<\/pre>\n\n\n<div id=\"sgb-css-id-145\">\n<h4 class=\"wp-block-heading\" id=\"i-44\">2. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\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=\"\"># \u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u30ac\u30a4\u30c9\n\n## \u5fc5\u8981\u306a\u74b0\u5883\u5909\u6570\n- `JAVA_HOME`: JDK\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30b9\n- `DB_CONFIG`: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\n- `API_CREDENTIALS`: API\u8a8d\u8a3c\u60c5\u5831\n\n## \u8a2d\u5b9a\u624b\u9806\n1. `.env.template`\u3092`.env`\u306b\u30b3\u30d4\u30fc\n2. \u5fc5\u8981\u306a\u5024\u3092\u8a2d\u5b9a\n3. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u8d77\u52d5<\/pre>\n\n\n<div id=\"sgb-css-id-146\">\n<h4 class=\"wp-block-heading\" id=\"i-45\">3. \u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3067\u306e\u53d6\u308a\u6271\u3044<\/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=\"\"># .gitignore\n.env\n*.properties\n!.env.template\n!example.properties<\/pre>\n\n\n<div id=\"sgb-css-id-147\">\n<h3 class=\"wp-block-heading\" id=\"i-46\">5.3 \u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-148\">\n<h4 class=\"wp-block-heading\" id=\"i-47\">1. Docker\u74b0\u5883\u3067\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=\"\"># Dockerfile\nFROM openjdk:17-slim\nENV JAVA_OPTS=\"-Xmx512m\"\nENV APP_HOME=\/usr\/app\n\n# \u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\nARG DB_URL\nENV DB_URL=${DB_URL}\n\n# \u6a5f\u5bc6\u60c5\u5831\u306f\u30d3\u30eb\u30c9\u6642\u306b\u6ce8\u5165\nARG DB_PASSWORD\nENV DB_PASSWORD=${DB_PASSWORD}<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># docker-compose.yml\nversion: '3.8'\nservices:\n  app:\n    build: .\n    environment:\n      - SPRING_PROFILES_ACTIVE=prod\n      - DB_URL=${DB_URL}\n    env_file:\n      - .env.prod<\/pre>\n\n\n<div id=\"sgb-css-id-149\">\n<h4 class=\"wp-block-heading\" id=\"i-48\">2. CI\/CD\u74b0\u5883\u3067\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=\"\"># GitHub Actions\u4f8b\nname: Java CI with Maven\non: [push]\njobs:\n  build:\n    runs-on: ubuntu-latest\n    env:\n      JAVA_HOME: ${{ env.JAVA_HOME_17_X64 }}\n    steps:\n      - uses: actions\/checkout@v2\n      - name: Set up JDK\n        uses: actions\/setup-java@v2\n        with:\n          java-version: '17'\n          distribution: 'adopt'\n      - name: Build with Maven\n        env:\n          DB_PASSWORD: ${{ secrets.DB_PASSWORD }}\n        run: mvn -B package<\/pre>\n\n\n<div id=\"sgb-css-id-150\">\n<h4 class=\"wp-block-heading\" id=\"i-49\">\u74b0\u5883\u5909\u6570\u7ba1\u7406\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-151\">\n<p>\u25cf <strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-152\">\n<p>\u3000\u25cf \u6a5f\u5bc6\u60c5\u5831\u306e\u6697\u53f7\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-153\">\n<p>\u3000\u25cf \u30a2\u30af\u30bb\u30b9\u6a29\u9650\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-154\">\n<p>\u3000\u25cf \u76e3\u67fb\u30ed\u30b0\u306e\u5b9f\u88c5<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-155\">\n<p>\u25cf <strong>\u30c1\u30fc\u30e0\u5171\u6709<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-156\">\n<p>\u3000\u25cf \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u7528\u610f<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-157\">\n<p>\u3000\u25cf \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u6574\u5099<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-158\">\n<p>\u3000\u25cf \u5171\u6709\u30d7\u30ed\u30bb\u30b9\u306e\u78ba\u7acb<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-159\">\n<p>\u25cf <strong>\u81ea\u52d5\u5316<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-160\">\n<p>\u3000\u25cf CI\/CD\u74b0\u5883\u3067\u306e\u5909\u6570\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-161\">\n<p>\u3000\u25cf \u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u81ea\u52d5\u5316<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u74b0\u5883\u5225\u306e\u8a2d\u5b9a\u5206\u96e2<\/p>\n\n\n<div id=\"sgb-css-id-162\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u91cd\u8981<\/strong>\uff1a \u74b0\u5883\u5909\u6570\u306e\u7ba1\u7406\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u5229\u4fbf\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u5b9a\u671f\u7684\u306a\u898b\u76f4\u3057\u3068\u66f4\u65b0\u3092\u884c\u3044\u3001\u30c1\u30fc\u30e0\u5168\u4f53\u3067\u4e00\u8cab\u3057\u305f\u65b9\u6cd5\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<\/div>\n\n<div id=\"sgb-css-id-163\">\n<h2 class=\"wp-block-heading\" id=\"i-50\">\uff16\uff0e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u5fdc\u7528\u3068\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-164\">\n<h3 class=\"wp-block-heading\" id=\"i-51\">6.1 IDE\u3067\u306e\u74b0\u5883\u5909\u6570\u6d3b\u7528\u8853<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-165\">\n<h4 class=\"wp-block-heading\" id=\"i-52\">1. IntelliJ IDEA\u3067\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-166\">\n<p>\u30001. <strong>\u5b9f\u884c\u69cb\u6210\u3067\u306e\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=\"\">&lt;!-- Run Configuration Environment Variables --&gt;\nSPRING_PROFILES_ACTIVE=development\nLOG_LEVEL=DEBUG\nCUSTOM_CONFIG_PATH=${PROJECT_DIR}\/config<\/pre>\n\n\n<div id=\"sgb-css-id-167\">\n<p>\u30002. <strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6d3b\u7528\u3057\u305f\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/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=\"\"># .env support plugin\nDATABASE_URL=jdbc:postgresql:\/\/localhost:5432\/mydb\nAPI_KEY=${SECRET_KEY}\nCACHE_TTL=3600<\/pre>\n\n\n<div id=\"sgb-css-id-168\">\n<p>\u30003. <strong>\u30c7\u30d0\u30c3\u30b0\u69cb\u6210\u3067\u306e\u74b0\u5883\u5909\u6570<\/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\u30d0\u30c3\u30b0\u6642\u306e\u74b0\u5883\u5909\u6570\u30c1\u30a7\u30c3\u30af\npublic class EnvironmentDebugger {\n    public static void main(String[] args) {\n        Map&lt;String, String&gt; env = System.getenv();\n        env.forEach((key, value) -&gt; {\n            if (key.startsWith(\"APP_\")) {\n                System.out.printf(\"%s=%s%n\", key, value);\n            }\n        });\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-169\">\n<h3 class=\"wp-block-heading\" id=\"i-53\">6.2 CI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306e\u74b0\u5883\u5909\u6570\u306e\u6271\u3044\u65b9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-170\">\n<h4 class=\"wp-block-heading\" id=\"i-54\">1. Jenkins Pipeline\u4f8b<\/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=\"\">pipeline {\n    agent any\n    environment {\n        JAVA_HOME = tool 'JDK17'\n        MAVEN_HOME = tool 'Maven3'\n        \/\/ \u6a5f\u5bc6\u60c5\u5831\u306f\u8cc7\u683c\u60c5\u5831\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304b\u3089\u53d6\u5f97\n        DB_CREDS = credentials('db-credentials')\n    }\n    stages {\n        stage('Build') {\n            environment {\n                \/\/ \u30b9\u30c6\u30fc\u30b8\u56fa\u6709\u306e\u74b0\u5883\u5909\u6570\n                SPRING_PROFILES_ACTIVE = 'test'\n            }\n            steps {\n                sh \"\"\"\n                    export PATH=\\$JAVA_HOME\/bin:\\$MAVEN_HOME\/bin:\\$PATH\n                    mvn clean package -DskipTests\n                \"\"\"\n            }\n        }\n        stage('Test') {\n            environment {\n                \/\/ \u30c6\u30b9\u30c8\u7528\u306e\u74b0\u5883\u5909\u6570\n                TEST_DB_URL = 'jdbc:h2:mem:testdb'\n            }\n            steps {\n                sh 'mvn test'\n            }\n        }\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-171\">\n<h4 class=\"wp-block-heading\" id=\"i-55\">2. GitHub Actions \u3067\u306e\u9ad8\u5ea6\u306a\u74b0\u5883\u5909\u6570\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=\"\">name: Advanced Java CI\non: [push]\njobs:\n  build:\n    runs-on: ubuntu-latest\n    strategy:\n      matrix:\n        java: ['11', '17']\n        profile: ['dev', 'prod']\n\n    env:\n      APP_ENV: ${{ matrix.profile }}\n\n    steps:\n      - uses: actions\/checkout@v2\n\n      - name: Set up JDK ${{ matrix.java }}\n        uses: actions\/setup-java@v2\n        with:\n          java-version: ${{ matrix.java }}\n          distribution: 'adopt'\n\n      - name: Configure AWS credentials\n        uses: aws-actions\/configure-aws-credentials@v1\n        with:\n          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}\n          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}\n          aws-region: ap-northeast-1\n\n      - name: Build and Test\n        env:\n          SPRING_PROFILES_ACTIVE: ${{ matrix.profile }}\n        run: |\n          mvn -B package<\/pre>\n\n\n<div id=\"sgb-css-id-172\">\n<h3 class=\"wp-block-heading\" id=\"i-56\">6.3 Docker\u74b0\u5883\u3067\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-173\">\n<h4 class=\"wp-block-heading\" id=\"i-57\">1. \u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9\u3067\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9\u7528Dockerfile\nFROM maven:3.8.4-openjdk-17 AS builder\nWORKDIR \/build\nCOPY pom.xml .\nCOPY src src\nRUN mvn package -DskipTests\n\nFROM openjdk:17-slim\nWORKDIR \/app\nCOPY --from=builder \/build\/target\/*.jar app.jar\n\n# \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\nENV APP_PORT=8080 \\\n    JAVA_OPTS=\"-Xmx512m\" \\\n    SPRING_PROFILES_ACTIVE=\"prod\"\n\n# \u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u7528\u306e\u74b0\u5883\u5909\u6570\nHEALTHCHECK --interval=30s --timeout=3s \\\n    CMD curl -f http:\/\/localhost:${APP_PORT}\/actuator\/health || exit 1\n\nENTRYPOINT [\"sh\", \"-c\", \"java ${JAVA_OPTS} -jar app.jar\"]<\/pre>\n\n\n<div id=\"sgb-css-id-174\">\n<h4 class=\"wp-block-heading\" id=\"i-58\">2. Docker Compose\u3067\u306e\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">version: '3.8'\nservices:\n  app:\n    build:\n      context: .\n      args:\n        - BUILD_VERSION=${BUILD_VERSION:-latest}\n    environment:\n      - SPRING_PROFILES_ACTIVE=${ENV:-prod}\n      - DB_HOST=${DB_HOST:-localhost}\n      - REDIS_HOST=${REDIS_HOST:-redis}\n    secrets:\n      - db_password\n      - api_key\n\n  redis:\n    image: redis:6-alpine\n    environment:\n      - REDIS_PASSWORD=${REDIS_PASSWORD}\n\nsecrets:\n  db_password:\n    file: .\/secrets\/db_password.txt\n  api_key:\n    file: .\/secrets\/api_key.txt<\/pre>\n\n\n<div id=\"sgb-css-id-175\">\n<h4 class=\"wp-block-heading\" id=\"i-59\">\u9ad8\u5ea6\u306a\u74b0\u5883\u5909\u6570\u7ba1\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-176\">\n<p>\u30001. <strong>Spring Boot\u3067\u306e\u74b0\u5883\u5909\u6570\u6d3b\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=\"\">@Configuration\n@ConfigurationProperties(prefix = \"app\")\npublic class AppConfig {\n\n    @Value(\"${JAVA_HOME}\")\n    private String javaHome;\n\n    @Value(\"${APP_CONFIG_PATH:#{systemProperties['user.home']}\/.app}\")\n    private String configPath;\n\n    \/\/ \u6697\u53f7\u5316\u3055\u308c\u305f\u74b0\u5883\u5909\u6570\u306e\u51e6\u7406\n    @Bean\n    public static PropertySourcesPlaceholderConfigurer propertyConfigurer() {\n        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();\n        configurer.setPropertySources(new EncryptedPropertiesPropertySource());\n        return configurer;\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-177\">\n<p>\u30002. <strong>\u74b0\u5883\u5909\u6570\u306e\u52d5\u7684\u66f4\u65b0<\/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=\"\">@Component\npublic class EnvironmentRefresher {\n    private final ConfigurableEnvironment environment;\n\n    @Scheduled(fixedRate = 300000) \/\/ 5\u5206\u3054\u3068\u306b\u66f4\u65b0\n    public void refreshEnvironment() {\n        MutablePropertySources propertySources = environment.getPropertySources();\n        \/\/ \u74b0\u5883\u5909\u6570\u306e\u518d\u8aad\u307f\u8fbc\u307f\u51e6\u7406\n    }\n}<\/pre>\n\n\n<div id=\"sgb-css-id-181\">\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\"><strong>\u958b\u767a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/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-178\">\n<li>\u74b0\u5883\u5909\u6570\u306e\u5909\u66f4\u3092\u76e3\u8996\u3059\u308b\u30ed\u30b0\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-179\">\n<li>\u7570\u306a\u308b\u74b0\u5883\u9593\u3067\u306e\u8a2d\u5b9a\u306e\u4e00\u8cab\u6027\u78ba\u4fdd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-180\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u74b0\u5883\u5909\u6570\u306e\u6697\u53f7\u5316<\/li>\n<\/div>\n\n\n<li>\u30b3\u30f3\u30c6\u30ca\u5316\u74b0\u5883\u3067\u306e\u9069\u5207\u306a\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-182\">\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u3067\u7ba1\u7406\u3057\u3084\u3059\u3044\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-183\">\n<h2 class=\"wp-block-heading\" id=\"i-60\">\u307e\u3068\u3081\uff1a\u52b9\u7387\u7684\u306aJava\u74b0\u5883\u5909\u6570\u7ba1\u7406\u306e\u305f\u3081\u306b<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-184\">\n<p>\u3053\u3053\u307e\u3067\u3001Java\u958b\u767a\u306b\u304a\u3051\u308b\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u3068\u7ba1\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-185\">\n<h4 class=\"wp-block-heading\" id=\"i-61\">Java\u74b0\u5883\u5909\u6570\u7ba1\u7406\u306e7\u3064\u306e\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-186\">\n<p>\u30001. <strong>\u57fa\u672c\u3092\u62bc\u3055\u3048\u308b<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-187\">\n<p>\u3000\u3000\u25cf JAVA_HOME\u3001PATH\u3001CLASSPATH\u306e\u6b63\u3057\u3044\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-188\">\n<p>\u3000\u3000\u25cf OS\u5225\u306e\u9069\u5207\u306a\u8a2d\u5b9a\u65b9\u6cd5\u306e\u7406\u89e3<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-189\">\n<p>\u3000\u3000\u25cf \u74b0\u5883\u5909\u6570\u306e\u5f79\u5272\u3068\u5f71\u97ff\u7bc4\u56f2\u306e\u628a\u63e1<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-190\">\n<p>\u30002. <strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8996<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-191\">\n<p>\u3000\u3000\u25cf \u6a5f\u5bc6\u60c5\u5831\u306e\u9069\u5207\u306a\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-192\">\n<p>\u3000\u3000\u25cf \u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u306e\u9069\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-193\">\n<p>\u3000\u3000\u25cf \u5b9a\u671f\u7684\u306a\u8a2d\u5b9a\u306e\u898b\u76f4\u3057<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-194\">\n<p>\u30003. <strong>\u52b9\u7387\u7684\u306a\u7ba1\u7406<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-195\">\n<p>\u3000\u3000\u25cf \u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-196\">\n<p>\u3000\u3000\u25cf \u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5229\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-197\">\n<p>\u3000\u3000\u25cf IDE\u7d71\u5408\u306b\u3088\u308b\u52b9\u7387\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-198\">\n<p>\u30004. <strong><strong>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-199\">\n<p>\u3000\u3000\u25cf \u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u7406\u89e3<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-200\">\n<p>\u3000\u3000\u25cf \u4f53\u7cfb\u7684\u306a\u554f\u984c\u89e3\u6c7a\u30a2\u30d7\u30ed\u30fc\u30c1<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-201\">\n<p>\u3000\u3000\u25cf \u691c\u8a3c\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6d3b\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-202\">\n<p>\u30005. <strong><strong><strong>\u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u6d3b\u7528<\/strong><\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-203\">\n<p>\u3000\u3000\u25cf \u74b0\u5883\u8a2d\u5b9a\u306e\u6a19\u6e96\u5316<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-204\">\n<p>\u3000\u3000\u25cf \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3068\u5171\u6709<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-205\">\n<p>\u3000\u3000\u25cf \u30ec\u30d3\u30e5\u30fc\u30d7\u30ed\u30bb\u30b9\u306e\u78ba\u7acb<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-206\">\n<p>\u30006. <strong><strong><strong><strong>CI\/CD\u5bfe\u5fdc<\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-207\">\n<p>\u3000\u3000\u25cf \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306e\u9069\u5207\u306a\u74b0\u5883\u5909\u6570\u7ba1\u7406<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-208\">\n<p>\u3000\u3000\u25cf \u30b9\u30c6\u30fc\u30b8\u5225\u306e\u8a2d\u5b9a\u5206\u96e2<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-209\">\n<p>\u3000\u3000\u25cf \u30bb\u30ad\u30e5\u30a2\u306a\u79d8\u5bc6\u60c5\u5831\u306e\u6271\u3044<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-210\">\n<p>\u30007. <strong>\u30b3\u30f3\u30c6\u30ca\u5316\u5bfe\u5fdc<\/strong><\/p>\n<\/div>\n\n<div id=\"sgb-css-id-211\">\n<p>\u3000\u3000\u25cf Docker\u74b0\u5883\u3067\u306e\u6700\u9069\u306a\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-212\">\n<p>\u3000\u3000\u25cf \u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9\u306e\u6d3b\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-213\">\n<p>\u3000\u3000\u25cf \u74b0\u5883\u5225\u306e\u8a2d\u5b9a\u5206\u96e2<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-214\">\n<h4 class=\"wp-block-heading\" id=\"i-62\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-215\">\n<p>\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u306f\u3001Java\u958b\u767a\u306e\u57fa\u76e4\u3068\u306a\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u5185\u5bb9\u3092\u5b9f\u8df5\u3057\u306a\u304c\u3089\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6bb5\u968e\u7684\u306a\u6539\u5584\u3092\u76ee\u6307\u3059\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-216\">\n<p>\u30001. \u57fa\u672c\u7684\u306a\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u3092\u78ba\u5b9f\u306b\u884c\u3046<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-217\">\n<p>\u30002. \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u80fd\u529b\u3092\u5411\u4e0a\u3055\u305b\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-218\">\n<p>\u30003. \u30c1\u30fc\u30e0\u5168\u4f53\u3067\u306e\u7ba1\u7406\u65b9\u6cd5\u3092\u6700\u9069\u5316\u3059\u308b<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-219\">\n<p>\u30004. 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