{"id":1061,"date":"2024-11-19T14:50:17","date_gmt":"2024-11-19T05:50:17","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1061"},"modified":"2025-03-24T08:52:48","modified_gmt":"2025-03-23T23:52:48","slug":"%e3%80%902024%e5%b9%b4%e6%9c%80%e6%96%b0%e3%80%91linux%e3%81%abjava%e3%82%92%e3%82%a4%e3%83%b3%e3%82%b9%e3%83%88%e3%83%bc%e3%83%ab%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%82%92%e5%be%b9%e5%ba%95","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1061","title":{"rendered":"\u30102024\u5e74\u6700\u65b0\u3011Linux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\uff01\u521d\u5fc3\u8005\u3067\u30823\u5206\u3067\u74b0\u5883\u69cb\u7bc9\u5b8c\u4e86"},"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\uff0eLinux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">1.1 Java\u306e\u7a2e\u985e\u3068\u9078\u3073\u65b9\uff08JRE\u3068JDK\u306e\u9055\u3044\uff09<\/a>      <\/li>      <li>        <a href=\"#i-3\">1.2 Linux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u9055\u3044<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-4\">1.3 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u524d\u306e\u74b0\u5883\u78ba\u8a8d\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-5\">\uff12\uff0eLinux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b3\u3064\u306e\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-6\">2.1 \u65b9\u6cd51\uff1a \u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u305f\u6700\u901f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>      <\/li>      <li>        <a href=\"#i-9\">2.2 \u65b9\u6cd52\uff1a \u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u884c\u3046\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>      <\/li>      <li>        <a href=\"#i-10\">2.3 \u65b9\u6cd53\uff1a SDKMAN\u3092\u4f7f\u7528\u3057\u305f\u958b\u767a\u8005\u5411\u3051\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">2.4 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306e\u9078\u629e\u6307\u91dd<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\uff13\uff0eJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u74b0\u5883\u8a2d\u5b9a\u3068\u52d5\u4f5c\u78ba\u8a8d<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">3.1 \u74b0\u5883\u5909\u6570PATH\u3068JAVA_HOME\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-16\">3.2 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u6210\u529f\u3092\u78ba\u8a8d\u3059\u308b3\u3064\u306e\u30b3\u30de\u30f3\u30c9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">3.3 \u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-19\">\uff14\uff0eJava\u958b\u767a\u74b0\u5883\u306e\u6700\u9069\u5316\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-20\">4.1 \u8907\u6570\u30d0\u30fc\u30b8\u30e7\u30f3\u306eJava\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-23\">4.2 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u81ea\u52d5\u5316\u8a2d\u5b9a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-26\">4.3 \u958b\u767a\u52b9\u7387\u3092\u4e0a\u3052\u308b\u305f\u3081\u306e\u8ffd\u52a0\u8a2d\u5b9a<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-30\">\uff15\uff0e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068FAQ<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-31\">5.1 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306e\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-35\">5.2 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-39\">5.3 \u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3068\u5b8c\u5168\u524a\u9664\u306e\u624b\u9806<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-43\">\u307e\u3068\u3081\uff1aLinux\u3067\u306eJava\u74b0\u5883\u69cb\u7bc9\u306e\u30dd\u30a4\u30f3\u30c8<\/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>Linux\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067Java\u306e\u958b\u767a\u74b0\u5883\u3084\u5b9f\u884c\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u65b9\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001Linux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u3092\u3001\u521d\u5fc3\u8005\u306e\u65b9\u306b\u3082\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-3\">\n<p>2024\u5e74\u73fe\u5728\u3001Java\u306e\u958b\u767a\u74b0\u5883\u69cb\u7bc9\u306b\u306f\u8907\u6570\u306e\u9078\u629e\u80a2\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b9\u3005\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-7\">\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-4\">\n<li>Linux\u4e0a\u3067Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u305f\u3044\u65b9<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-5\">\n<li>Java\u958b\u767a\u74b0\u5883\u3092\u65b0\u898f\u306b\u69cb\u7bc9\u3057\u305f\u3044\u65b9<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-6\">\n<li>\u3088\u308a\u52b9\u7387\u7684\u306a\u958b\u767a\u74b0\u5883\u3092\u6c42\u3081\u3066\u3044\u308b\u65b9<\/li>\n<\/div>\n\n\n<li>\u30bb\u30ad\u30e5\u30a2\u306a\u5b9f\u884c\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u305f\u3044\u65b9<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-8\">\n<p>\u7279\u306b\u6ce8\u76ee\u3059\u3079\u304d\u70b9\u3068\u3057\u3066\u3001\u6700\u65b0\u306eJava 17 LTS\uff08Long Term Support\uff09\u3092\u4e2d\u5fc3\u306b\u89e3\u8aac\u3057\u307e\u3059\u304c\u3001\u4ed6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305f\u3001Ubuntu\u3001CentOS\u3001Fedora\u306a\u3069\u3001\u4e3b\u8981\u306aLinux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u9055\u3044\u306b\u3082\u914d\u616e\u3057\u305f\u8aac\u660e\u3092\u5fc3\u304c\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-9\">\n<p>\u305d\u308c\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u3068\u8a2d\u5b9a\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-10\">\n<h2 class=\"wp-block-heading\" id=\"i-1\">\uff11\uff0eLinux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-11\">\n<p>Linux\u30b7\u30b9\u30c6\u30e0\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3068\u78ba\u8a8d\u4e8b\u9805\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4f5c\u696d\u3092\u5186\u6ed1\u306b\u9032\u3081\u308b\u305f\u3081\u306e\u524d\u63d0\u77e5\u8b58\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-12\">\n<h3 class=\"wp-block-heading\" id=\"i-2\">1.1 Java\u306e\u7a2e\u985e\u3068\u9078\u3073\u65b9\uff08JRE\u3068JDK\u306e\u9055\u3044\uff09<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-13\">\n<p>Java\u306e\u5b9f\u884c\u74b0\u5883\u306b\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"id-5bae3d0b-c353-4aad-812b-53be7cbc7d1c\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7a2e\u985e<\/th><th>\u8aac\u660e<\/th><th>\u4f7f\u7528\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>JRE (Java Runtime Environment)<\/td><td>Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u9650\u306e\u74b0\u5883<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u306e\u307f<\/td><\/tr><tr><td>JDK (Java Development Kit)<\/td><td>\u958b\u767a\u306b\u5fc5\u8981\u306a\u5b8c\u5168\u306a\u6a5f\u80fd\u30bb\u30c3\u30c8\uff08JRE\u3092\u542b\u3080\uff09<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div id=\"sgb-css-id-16\">\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\">\u9078\u3073\u65b9\u306e\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-14\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051 \u2192 JRE<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-15\">\n<li>\u958b\u767a\u4f5c\u696d\u3092\u884c\u3046 \u2192 JDK<\/li>\n<\/div>\n\n\n<li>\u8ff7\u3063\u305f\u5834\u5408\u306f \u2192 JDK\uff08\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3092\u8003\u616e\uff09<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-17\">\n<h3 class=\"wp-block-heading\" id=\"i-3\">1.2 Linux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u9055\u3044<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-18\">\n<p>\u4e3b\u8981\u306a\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3068\u57fa\u672c\u30b3\u30de\u30f3\u30c9<\/p>\n<\/div>\n\n<div id=\"id-1ec8d620-d5c3-4389-a7d5-5e70e8a3e977\"><div id=\"sgb-css-id-19\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3<\/th><th>\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/th><th>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30b3\u30de\u30f3\u30c9\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>Ubuntu\/Debian<\/td><td>apt<\/td><td><code>sudo apt install openjdk-17-jdk<\/code><\/td><\/tr><tr><td>CentOS\/RHEL<\/td><td>yum\/dnf<\/td><td><code>sudo dnf install java-17-openjdk-devel<\/code><\/td><\/tr><tr><td>Fedora<\/td><td>dnf<\/td><td><code>sudo dnf install java-17-openjdk-devel<\/code><\/td><\/tr><tr><td>Arch Linux<\/td><td>pacman<\/td><td><code>sudo pacman -S jdk-openjdk<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-20\">\n<h3 class=\"wp-block-heading\" id=\"i-4\">1.3 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u524d\u306e\u74b0\u5883\u78ba\u8a8d\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-21\">\n<p>1. \u30b7\u30b9\u30c6\u30e0\u60c5\u5831\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=\"\"># OS\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\ncat \/etc\/os-release\n\n# \u30b7\u30b9\u30c6\u30e0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u78ba\u8a8d\nuname -m\n\n# \u5229\u7528\u53ef\u80fd\u306a\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u306e\u78ba\u8a8d\ndf -h<\/pre>\n\n\n<div id=\"sgb-css-id-22\">\n<p>2. \u65e2\u5b58\u306eJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\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=\"\"># Java\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\njava -version\n\n# Java\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u78ba\u8a8d\njavac -version\n\n# Java\u306e\u5b9f\u884c\u5834\u6240\u306e\u78ba\u8a8d\nwhich java<\/pre>\n\n\n<div id=\"sgb-css-id-23\">\n<p>3. \u5fc5\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-24\">\n<p>\u3000\u25cf \u30c7\u30a3\u30b9\u30af\u5bb9\u91cf<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-25\">\n<p>\u3000\u3000\u25cf JRE\uff1a \u6700\u4f4e200MB<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-26\">\n<p>\u3000\u3000\u25cf JDK\uff1a \u6700\u4f4e500MB<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-27\">\n<p>\u3000\u25cf \u30e1\u30e2\u30ea\uff1a\u6700\u4f4e2GB\uff08\u63a8\u59684GB\u4ee5\u4e0a\uff09<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-28\">\n<p>\u3000\u25cf \u30d7\u30ed\u30bb\u30c3\u30b5\uff1ax86_64\uff0864\u30d3\u30c3\u30c8\uff09\u63a8\u5968<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-29\">\n<p>4. \u4e8b\u524d\u6e96\u5099\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-30\">\n<p>\u3000\u25cf root\u6a29\u9650\u307e\u305f\u306fsudo\u6a29\u9650\u306e\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-31\">\n<p>\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u306e\u66f4\u65b0\u72b6\u614b\u306e\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-32\">\n<p>\u3000\u25cf \u5fc5\u8981\u306a\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u306e\u78ba\u4fdd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-33\">\n<p>\u3000\u25cf \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u78ba\u8a8d<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u65e2\u5b58\u306eJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u6709\u7121\u78ba\u8a8d<\/p>\n\n\n<div id=\"sgb-css-id-34\">\n<p>\u3053\u308c\u3089\u306e\u6e96\u5099\u3068\u78ba\u8a8d\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u73fe\u3067\u304d\u3001\u5f8c\u3005\u306e\u30c8\u30e9\u30d6\u30eb\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-35\">\n<h2 class=\"wp-block-heading\" id=\"i-5\">\uff12\uff0eLinux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b3\u3064\u306e\u65b9\u6cd5<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-36\">\n<p>Linux\u30b7\u30b9\u30c6\u30e0\u3078\u306eJava\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u306f\u3001\u4e3b\u306b3\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u7406\u89e3\u3057\u3001\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u6700\u9069\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-37\">\n<h3 class=\"wp-block-heading\" id=\"i-6\">2.1 \u65b9\u6cd51\uff1a \u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u305f\u6700\u901f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-38\">\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306f\u3001\u6700\u3082\u7c21\u5358\u3067\u5b89\u5168\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-39\">\n<h4 class=\"wp-block-heading\" id=\"i-7\">Ubuntu\/Debian\u7cfb\u306e\u5834\u5408\uff1a<\/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\u306e\u66f4\u65b0\nsudo apt update\nsudo apt upgrade\n\n# OpenJDK 17\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsudo apt install openjdk-17-jdk\n\n# \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u78ba\u8a8d\njava -version\njavac -version<\/pre>\n\n\n<div id=\"sgb-css-id-40\">\n<h4 class=\"wp-block-heading\" id=\"i-8\">RedHat\/CentOS\u7cfb\u306e\u5834\u5408\uff1a<\/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\u306e\u66f4\u65b0\nsudo dnf update\n\n# OpenJDK 17\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsudo dnf install java-17-openjdk-devel\n\n# \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u78ba\u8a8d\njava -version\njavac -version<\/pre>\n\n\n<div id=\"sgb-css-id-44\">\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\">\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-41\">\n<li>\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u3068\u7d71\u5408<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-42\">\n<li>\u81ea\u52d5\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u306e\u89e3\u6c7a<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-43\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u81ea\u52d5\u901a\u77e5<\/li>\n<\/div>\n\n\n<li>\u7c21\u5358\u306a\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-46\">\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:#f88080;color:#FFF\" class=\"sgb-box-simple__title\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#f88080;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-45\">\n<li>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5373\u5ea7\u306b\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b<\/li>\n<\/div>\n\n\n<li>\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-47\">\n<h3 class=\"wp-block-heading\" id=\"i-9\">2.2 \u65b9\u6cd52\uff1a \u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u884c\u3046\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-48\">\n<p>Oracle JDK\u3092\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u3084\u3001\u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u9069\u3057\u3066\u3044\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=\"\"># \u5fc5\u8981\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\nsudo mkdir \/usr\/local\/java\n\n# JDK\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08\u4f8b\uff1aJDK 17\uff09\nwget https:\/\/download.oracle.com\/java\/17\/latest\/jdk-17_linux-x64_bin.tar.gz\n\n# \u89e3\u51cd\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsudo tar xzf jdk-17_linux-x64_bin.tar.gz -C \/usr\/local\/java\/\n\n# \u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\necho 'export JAVA_HOME=\/usr\/local\/java\/jdk-17.x.x' | sudo tee -a \/etc\/profile.d\/jdk.sh\necho 'export PATH=$PATH:$JAVA_HOME\/bin' | sudo tee -a \/etc\/profile.d\/jdk.sh\n\n# \u8a2d\u5b9a\u306e\u53cd\u6620\nsource \/etc\/profile.d\/jdk.sh\n\n# \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u78ba\u8a8d\njava -version<\/pre>\n\n\n<div id=\"sgb-css-id-51\">\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\">\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-49\">\n<li>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5373\u5ea7\u306b\u5229\u7528\u53ef\u80fd<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-50\">\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5b8c\u5168\u306a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/li>\n<\/div>\n\n\n<li>Oracle\u56fa\u6709\u306e\u6a5f\u80fd\u3092\u5229\u7528\u53ef\u80fd<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-54\">\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:#f88080;color:#FFF\" class=\"sgb-box-simple__title\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#f88080;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-52\">\n<li>\u624b\u52d5\u3067\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-53\">\n<li>\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981<\/li>\n<\/div>\n\n\n<li>\u30e9\u30a4\u30bb\u30f3\u30b9\u306e\u78ba\u8a8d\u304c\u5fc5\u8981<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div id=\"sgb-css-id-55\">\n<h3 class=\"wp-block-heading\" id=\"i-10\">2.3 \u65b9\u6cd53\uff1a SDKMAN\u3092\u4f7f\u7528\u3057\u305f\u958b\u767a\u8005\u5411\u3051\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-56\">\n<p>SDKMAN\u306f\u3001\u8907\u6570\u306eJDK\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7c21\u5358\u306b\u7ba1\u7406\u3067\u304d\u308b\u958b\u767a\u8005\u5411\u3051\u30c4\u30fc\u30eb\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=\"\"># SDKMAN\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\ncurl -s \"https:\/\/get.sdkman.io\" | bash\n\n# \u8a2d\u5b9a\u306e\u8aad\u307f\u8fbc\u307f\nsource \"$HOME\/.sdkman\/bin\/sdkman-init.sh\"\n\n# \u5229\u7528\u53ef\u80fd\u306aJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\nsdk list java\n\n# \u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsdk install 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\n\n# \u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4f7f\u7528\uff08\u4e00\u6642\u7684\uff09\nsdk use java 17.0.2-open<\/pre>\n\n\n<div id=\"sgb-css-id-60\">\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\">\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-57\">\n<li>\u8907\u6570\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7c21\u5358\u306a\u7ba1\u7406<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-58\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5358\u4f4d\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-59\">\n<li>\u69d8\u3005\u306aJDK\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc<\/li>\n<\/div>\n\n\n<li>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u306e\u7c21\u5358\u306a\u64cd\u4f5c<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\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:#f88080;color:#FFF\" class=\"sgb-box-simple__title\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#f88080;background-color:#FFF\">\n<ul class=\"wp-block-list\"><div id=\"sgb-css-id-61\">\n<li>\u8ffd\u52a0\u306e\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981<\/li>\n<\/div>\n\n<div id=\"sgb-css-id-62\">\n<li>\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u306e\u8a2d\u5b9a\u306b\u306f\u5411\u304b\u306a\u3044<\/li>\n<\/div>\n\n\n<li>\u5b66\u7fd2\u30b3\u30b9\u30c8\u304c\u3042\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">2.4 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306e\u9078\u629e\u6307\u91dd<\/h3>\n\n\n<div id=\"id-5e818d33-4730-40e3-b03d-84449771d128\"><div id=\"sgb-css-id-64\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7528\u9014<\/th><th>\u63a8\u5968\u65b9\u6cd5<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u4e00\u822c\u7684\u306a\u4f7f\u7528<\/td><td>\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/td><td>\u7c21\u5358\u30fb\u5b89\u5168\u30fb\u81ea\u52d5\u66f4\u65b0<\/td><\/tr><tr><td>\u672c\u756a\u74b0\u5883<\/td><td>\u516c\u5f0f\u30b5\u30a4\u30c8<\/td><td>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u78ba\u5b9f\u6027<\/td><\/tr><tr><td>\u958b\u767a\u74b0\u5883<\/td><td>SDKMAN<\/td><td>\u67d4\u8edf\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-65\">\n<p>\u3069\u306e\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3082\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306f\u5fc5\u305a\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3044\u3001\u74b0\u5883\u5909\u6570\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-66\">\n<h2 class=\"wp-block-heading\" id=\"i-12\">\uff13\uff0eJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u74b0\u5883\u8a2d\u5b9a\u3068\u52d5\u4f5c\u78ba\u8a8d<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-67\">\n<p>Java\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u9069\u5207\u306a\u74b0\u5883\u8a2d\u5b9a\u3092\u884c\u3044\u3001\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u5177\u4f53\u7684\u306a\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-68\">\n<h3 class=\"wp-block-heading\" id=\"i-13\">3.1 \u74b0\u5883\u5909\u6570PATH\u3068JAVA_HOME\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-69\">\n<p>\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u306f\u3001Java\u3092\u6b63\u3057\u304f\u52d5\u4f5c\u3055\u305b\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4e3b\u306b\u8a2d\u5b9a\u304c\u5fc5\u8981\u306a\u74b0\u5883\u5909\u6570\u306f\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-70\">\n<p>\u30001. <strong>JAVA_HOME<\/strong>\uff1a Java\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-71\">\n<p>\u30002. <strong>PATH<\/strong>\uff1a Java\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u30d1\u30b9\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-72\">\n<h4 class=\"wp-block-heading\" id=\"i-14\">\u30b7\u30a7\u30eb\u5225\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u65b9\u6cd5<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-73\">\n<p><strong>Bash \u306e\u5834\u5408\uff08~\/.bashrc\uff09:<\/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=\"\"># JAVA_HOME\u306e\u8a2d\u5b9a\necho 'export JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk-amd64' &gt;&gt; ~\/.bashrc\necho 'export PATH=$JAVA_HOME\/bin:$PATH' &gt;&gt; ~\/.bashrc\n\n# \u8a2d\u5b9a\u306e\u53cd\u6620\nsource ~\/.bashrc<\/pre>\n\n\n<div id=\"sgb-css-id-74\">\n<p><strong>Zsh \u306e\u5834\u5408\uff08~\/.zshrc\uff09:<\/strong><\/p>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># JAVA_HOME\u306e\u8a2d\u5b9a\necho 'export JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk-amd64' &gt;&gt; ~\/.zshrc\necho 'export PATH=$JAVA_HOME\/bin:$PATH' &gt;&gt; ~\/.zshrc\n\n# \u8a2d\u5b9a\u306e\u53cd\u6620\nsource ~\/.zshrc<\/pre>\n\n\n<div id=\"sgb-css-id-75\">\n<h4 class=\"wp-block-heading\" id=\"i-15\">\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u306e\u8a2d\u5b9a\uff08\/etc\/profile.d\/\uff09:<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># jdk.sh\u30d5\u30a1\u30a4\u30eb\u306e\u4f5c\u6210\nsudo tee \/etc\/profile.d\/jdk.sh &lt;&lt; 'EOF'\nexport JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk-amd64\nexport PATH=$JAVA_HOME\/bin:$PATH\nEOF\n\n# \u5b9f\u884c\u6a29\u9650\u306e\u4ed8\u4e0e\nsudo chmod +x \/etc\/profile.d\/jdk.sh<\/pre>\n\n\n<div id=\"sgb-css-id-76\">\n<h3 class=\"wp-block-heading\" id=\"i-16\">3.2 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u6210\u529f\u3092\u78ba\u8a8d\u3059\u308b3\u3064\u306e\u30b3\u30de\u30f3\u30c9<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-77\">\n<p>1. <strong>Java\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d<\/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=\"\">java -version\n\n# \u671f\u5f85\u3055\u308c\u308b\u51fa\u529b\u4f8b\nopenjdk version \"17.0.2\" 2022-01-18\nOpenJDK Runtime Environment (build 17.0.2+8-Ubuntu-120.04)\nOpenJDK 64-Bit Server VM (build 17.0.2+8-Ubuntu-120.04, mixed mode, sharing)<\/pre>\n\n\n<div id=\"sgb-css-id-78\">\n<p>2. <strong><strong>\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u78ba\u8a8d<\/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=\"\">javac -version\n\n# \u671f\u5f85\u3055\u308c\u308b\u51fa\u529b\u4f8b\njavac 17.0.2<\/pre>\n\n\n<div id=\"sgb-css-id-79\">\n<p>3. <strong><strong><strong>\u74b0\u5883\u5909\u6570\u306e\u78ba\u8a8d<\/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=\"\">echo $JAVA_HOME\necho $PATH<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">3.3 \u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n<div id=\"id-f4aed10f-9a9e-41a6-b8f2-7054a15ca33b\"><div id=\"sgb-css-id-80\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8<\/th><th>\u539f\u56e0<\/th><th>\u89e3\u6c7a\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td><code>java: command not found<\/code><\/td><td>PATH\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/td><td>PATH\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8ffd\u52a0<\/td><\/tr><tr><td><code>JAVA_HOME is not set<\/code><\/td><td>JAVA_HOME\u74b0\u5883\u5909\u6570\u304c\u672a\u8a2d\u5b9a<\/td><td>JAVA_HOME\u3092\u9069\u5207\u306b\u8a2d\u5b9a<\/td><\/tr><tr><td><code>Error: cannot find java<\/code><\/td><td>Java\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u4e0d\u5b8c\u5168<\/td><td>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u3084\u308a\u76f4\u3059<\/td><\/tr><tr><td><code>UnsupportedClassVersionError<\/code><\/td><td>Java\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e0d\u4e00\u81f4<\/td><td>\u5fc5\u8981\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-81\">\n<h4 class=\"wp-block-heading\" id=\"i-18\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9<\/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=\"\"># Java\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u78ba\u8a8d\nwhich java\n\n# JAVA_HOME\u306e\u5b9f\u969b\u306e\u30d1\u30b9\u78ba\u8a8d\nreadlink -f $(which java)\n\n# \u30b7\u30b9\u30c6\u30e0\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308bJava\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u78ba\u8a8d\n# Debian\/Ubuntu\ndpkg -l | grep -i jdk\n# RedHat\/CentOS\nrpm -qa | grep -i jdk<\/pre>\n\n\n<div id=\"sgb-css-id-82\">\n<p>\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u5f8c\u306f\u3001\u5fc5\u305a\u65b0\u3057\u3044\u30bf\u30fc\u30df\u30ca\u30eb\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u304f\u304b\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u8a2d\u5b9a\u304c\u78ba\u5b9f\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u3058\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u8a2d\u5b9a\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-83\">\n<h2 class=\"wp-block-heading\" id=\"i-19\">\uff14\uff0eJava\u958b\u767a\u74b0\u5883\u306e\u6700\u9069\u5316\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-84\">\n<p>\u52b9\u7387\u7684\u306aJava\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3001\u305d\u3057\u3066\u958b\u767a\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u6700\u9069\u5316\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-85\">\n<h3 class=\"wp-block-heading\" id=\"i-20\">4.1 \u8907\u6570\u30d0\u30fc\u30b8\u30e7\u30f3\u306eJava\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-86\">\n<h4 class=\"wp-block-heading\" id=\"i-21\">1. alternatives \u30b7\u30b9\u30c6\u30e0\u306e\u4f7f\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=\"\"># \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u306eJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\nupdate-alternatives --list java\n\n# \u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u767b\u9332\nsudo update-alternatives --install \/usr\/bin\/java java \/usr\/lib\/jvm\/java-17-openjdk-amd64\/bin\/java 1700\nsudo update-alternatives --install \/usr\/bin\/javac javac \/usr\/lib\/jvm\/java-17-openjdk-amd64\/bin\/javac 1700\n\n# \u30c7\u30d5\u30a9\u30eb\u30c8\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5909\u66f4\nsudo update-alternatives --config java<\/pre>\n\n\n<div id=\"sgb-css-id-87\">\n<h4 class=\"wp-block-heading\" id=\"i-22\">2. \u30d0\u30fc\u30b8\u30e7\u30f3\u5207\u308a\u66ff\u3048\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f5c\u6210<\/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=\"\"># ~\/bin\/javaswitch.sh\n#!\/bin\/bash\ncase $1 in\n    \"8\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-8-openjdk-amd64\n        ;;\n    \"11\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-11-openjdk-amd64\n        ;;\n    \"17\")\n        export JAVA_HOME=\/usr\/lib\/jvm\/java-17-openjdk-amd64\n        ;;\n    *)\n        echo \"Usage: javaswitch.sh {8|11|17}\"\n        return 1\n        ;;\nesac\nexport PATH=$JAVA_HOME\/bin:$PATH\njava -version<\/pre>\n\n\n<div id=\"sgb-css-id-88\">\n<h3 class=\"wp-block-heading\" id=\"i-23\">4.2 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u81ea\u52d5\u5316\u8a2d\u5b9a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-89\">\n<h4 class=\"wp-block-heading\" id=\"i-24\">1. \u81ea\u52d5\u66f4\u65b0\u306e\u8a2d\u5b9a\uff08Ubuntu\/Debian\uff09<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># unattended-upgrades\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsudo apt install unattended-upgrades\n\n# \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\nsudo nano \/etc\/apt\/apt.conf.d\/50unattended-upgrades\n\n# \u4ee5\u4e0b\u306e\u884c\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u89e3\u9664\nUnattended-Upgrade::Allowed-Origins {\n    \"${distro_id}:${distro_codename}-security\";\n    \"${distro_id}:${distro_codename}-updates\";\n};<\/pre>\n\n\n<div id=\"sgb-css-id-90\">\n<h4 class=\"wp-block-heading\" id=\"i-25\">2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306e\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=\"\"># java.security \u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\nsudo nano $JAVA_HOME\/conf\/security\/java.security\n\n# \u63a8\u5968\u8a2d\u5b9a\njdk.tls.disabledAlgorithms=SSLv3, TLSv1, TLSv1.1, RC4\njdk.certpath.disabledAlgorithms=MD2, MD5, SHA1<\/pre>\n\n\n<div id=\"sgb-css-id-91\">\n<h3 class=\"wp-block-heading\" id=\"i-26\">4.3 \u958b\u767a\u52b9\u7387\u3092\u4e0a\u3052\u308b\u305f\u3081\u306e\u8ffd\u52a0\u8a2d\u5b9a<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-92\">\n<h4 class=\"wp-block-heading\" id=\"i-27\">1. JVM\u306e\u30e1\u30e2\u30ea\u6700\u9069\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=\"\"># ~\/.bashrc \u307e\u305f\u306f ~\/.zshrc \u306b\u8ffd\u52a0\nexport JAVA_OPTS=\"-Xms512m -Xmx2048m -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m\"<\/pre>\n\n\n<div id=\"sgb-css-id-93\">\n<h4 class=\"wp-block-heading\" id=\"i-28\">2. IDE\u7d71\u5408\u306e\u305f\u3081\u306e\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=\"\"># VSCode\u7528\u306e\u8a2d\u5b9a\uff08settings.json\uff09\n{\n    \"java.home\": \"\/usr\/lib\/jvm\/java-17-openjdk-amd64\",\n    \"java.configuration.runtimes\": [\n        {\n            \"name\": \"JavaSE-17\",\n            \"path\": \"\/usr\/lib\/jvm\/java-17-openjdk-amd64\"\n        },\n        {\n            \"name\": \"JavaSE-11\",\n            \"path\": \"\/usr\/lib\/jvm\/java-11-openjdk-amd64\"\n        }\n    ]\n}<\/pre>\n\n\n<div id=\"sgb-css-id-94\">\n<h4 class=\"wp-block-heading\" id=\"i-29\">3. \u958b\u767a\u7528\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h4>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># ~\/.gradle\/gradle.properties\norg.gradle.daemon=true\norg.gradle.parallel=true\norg.gradle.caching=true\norg.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError<\/pre>\n\n\n<div id=\"sgb-css-id-95\">\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n<\/div>\n\n<div id=\"id-38df3643-9656-4302-976a-e34ec8d5fe1f\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8a2d\u5b9a\u9805\u76ee<\/th><th>\u63a8\u5968\u5024<\/th><th>\u76ee\u7684<\/th><\/tr><\/thead><tbody><tr><td>\u521d\u671f\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba<\/td><td>512MB<\/td><td>\u8d77\u52d5\u6642\u306e\u30e1\u30e2\u30ea\u78ba\u4fdd<\/td><\/tr><tr><td>\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba<\/td><td>2048MB<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u5236\u9650<\/td><\/tr><tr><td>ParallelGC<\/td><td>\u6709\u52b9<\/td><td>\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316<\/td><\/tr><tr><td>MetaspaceSize<\/td><td>256MB<\/td><td>\u30af\u30e9\u30b9\u30e1\u30bf\u30c7\u30fc\u30bf\u7528\u30e1\u30e2\u30ea<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div id=\"sgb-css-id-96\">\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-97\">\n<p>\u30001. \u5b9a\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\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=\"\">   # \u30af\u30ed\u30f3\u30b8\u30e7\u30d6\u306e\u8a2d\u5b9a\n   0 0 * * 0 apt update &amp;&amp; apt list --upgradable | grep -i openjdk<\/pre>\n\n\n<div id=\"sgb-css-id-98\">\n<p>\u30002. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\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=\"\">   # Java\u95a2\u9023\u30dd\u30fc\u30c8\u306e\u4fdd\u8b77\n   sudo ufw allow 8080\/tcp  # Tomcat\u306a\u3069\u306e\u958b\u767a\u7528\u30dd\u30fc\u30c8<\/pre>\n\n\n<div id=\"sgb-css-id-99\">\n<p>\u30003. \u8a3c\u660e\u66f8\u306e\u7ba1\u7406<\/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=\"\">   # \u4fe1\u983c\u3055\u308c\u305f\u8a3c\u660e\u66f8\u306e\u8ffd\u52a0\n   sudo keytool -importcert -alias company-ca -file company-ca.crt -keystore $JAVA_HOME\/lib\/security\/cacerts<\/pre>\n\n\n<div id=\"sgb-css-id-100\">\n<p>\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a2d\u5b9a\u5024\u306f\u4f7f\u7528\u3059\u308b\u74b0\u5883\u3084\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5b9c\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-101\">\n<h2 class=\"wp-block-heading\" id=\"i-30\">\uff15\uff0e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068FAQ<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-102\">\n<p>Java\u306eLinux\u74b0\u5883\u3067\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u3001\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3068\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u624b\u9806\u3082\u4f75\u305b\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-103\">\n<h3 class=\"wp-block-heading\" id=\"i-31\">5.1 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306e\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-104\">\n<h4 class=\"wp-block-heading\" id=\"i-32\">1. \u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u95a2\u9023\u306e\u30a8\u30e9\u30fc<\/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=\"\"># \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u4f8b\n-bash: \/usr\/bin\/java: Permission denied<\/pre>\n\n\n<div id=\"sgb-css-id-105\">\n<p><strong>\u89e3\u6c7a\u65b9\u6cd5\uff1a<\/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=\"\"># \u5b9f\u884c\u6a29\u9650\u306e\u78ba\u8a8d\u3068\u4ed8\u4e0e\nls -l $(which java)\nsudo chmod +x $(which java)\n\n# \u6240\u6709\u8005\u306e\u78ba\u8a8d\u3068\u5909\u66f4\nsudo chown root:root $(which java)<\/pre>\n\n\n<div id=\"sgb-css-id-106\">\n<h4 class=\"wp-block-heading\" id=\"i-33\">2. \u4f9d\u5b58\u95a2\u4fc2\u306e\u30a8\u30e9\u30fc<\/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=\"\"># \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u4f8b\nerror: dependency problem - leaving unconfigured<\/pre>\n\n\n<div id=\"sgb-css-id-107\">\n<p><strong>\u89e3\u6c7a\u65b9\u6cd5\uff1a<\/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=\"\"># \u4f9d\u5b58\u95a2\u4fc2\u306e\u4fee\u5fa9\nsudo apt --fix-broken install\n\n# \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\nsudo apt purge openjdk-*\nsudo apt update\nsudo apt install openjdk-17-jdk<\/pre>\n\n\n<div id=\"sgb-css-id-108\">\n<h4 class=\"wp-block-heading\" id=\"i-34\">3. \u74b0\u5883\u5909\u6570\u95a2\u9023\u306e\u30a8\u30e9\u30fc<\/h4>\n<\/div>\n\n<div id=\"id-92845f38-35dc-420d-b120-1e68558b7cca\"><div id=\"sgb-css-id-109\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30a8\u30e9\u30fc<\/th><th>\u539f\u56e0<\/th><th>\u89e3\u6c7a\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td><code>JAVA_HOME not set<\/code><\/td><td>\u74b0\u5883\u5909\u6570\u672a\u8a2d\u5b9a<\/td><td>\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u30fb\u4fee\u6b63<\/td><\/tr><tr><td><code>java: command not found<\/code><\/td><td>PATH\u306e\u554f\u984c<\/td><td>PATH\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u30fb\u4fee\u6b63<\/td><\/tr><tr><td><code>Invalid JAVA_HOME<\/code><\/td><td>\u8aa4\u3063\u305f\u30d1\u30b9\u6307\u5b9a<\/td><td>JAVA_HOME\u306e\u30d1\u30b9\u3092\u78ba\u8a8d\u30fb\u4fee\u6b63<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n<div id=\"sgb-css-id-110\">\n<h3 class=\"wp-block-heading\" id=\"i-35\">5.2 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u65b9\u6cd5<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-111\">\n<h4 class=\"wp-block-heading\" id=\"i-36\">1. JVM\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u6700\u9069\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=\"\"># \u30d2\u30fc\u30d7\u4f7f\u7528\u72b6\u6cc1\u306e\u78ba\u8a8d\njmap -heap $(pgrep java)\n\n# \u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a\nexport JAVA_OPTS=\"$JAVA_OPTS \\\n    -Xms2g \\\n    -Xmx4g \\\n    -XX:+UseG1GC \\\n    -XX:MaxGCPauseMillis=200\"<\/pre>\n\n\n<div id=\"sgb-css-id-112\">\n<h4 class=\"wp-block-heading\" id=\"i-37\">2. GC\u30ed\u30b0\u306e\u6709\u52b9\u5316\u3068\u5206\u6790<\/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=\"\"># GC\u30ed\u30b0\u306e\u8a2d\u5b9a\nexport JAVA_OPTS=\"$JAVA_OPTS \\\n    -Xlog:gc*:file=gc.log:time,uptime:filecount=5,filesize=10M \\\n    -XX:+HeapDumpOnOutOfMemoryError \\\n    -XX:HeapDumpPath=\/var\/log\/java\/heap-dump.hprof\"<\/pre>\n\n\n<div id=\"sgb-css-id-113\">\n<h4 class=\"wp-block-heading\" id=\"i-38\">3. \u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u76e3\u8996<\/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=\"\"># \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\ntop -p $(pgrep java)\n\n# \u30e1\u30e2\u30ea\u4f7f\u7528\u72b6\u6cc1\nfree -h\n\n# \u30c7\u30a3\u30b9\u30afI\/O\niostat -x 1<\/pre>\n\n\n<div id=\"sgb-css-id-114\">\n<h3 class=\"wp-block-heading\" id=\"i-39\">5.3 \u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3068\u5b8c\u5168\u524a\u9664\u306e\u624b\u9806<\/h3>\n<\/div>\n\n<div id=\"sgb-css-id-115\">\n<h4 class=\"wp-block-heading\" id=\"i-40\">1. \u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5834\u5408<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-116\">\n<p>\u3000<strong>Ubuntu\/Debian\u7cfb\uff1a<\/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=\"\"># \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u78ba\u8a8d\ndpkg -l | grep -i jdk\n\n# OpenJDK\u306e\u524a\u9664\nsudo apt remove --purge openjdk-*\nsudo apt autoremove\n\n# \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u524a\u9664\nsudo rm -rf \/usr\/lib\/jvm\/*\nsudo rm -rf \/etc\/java*<\/pre>\n\n\n<div id=\"sgb-css-id-117\">\n<p>\u3000<strong>RedHat\/CentOS\u7cfb\uff1a<\/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=\"\"># \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u78ba\u8a8d\nrpm -qa | grep -i jdk\n\n# OpenJDK\u306e\u524a\u9664\nsudo dnf remove java-*\nsudo dnf autoremove<\/pre>\n\n\n<div id=\"sgb-css-id-118\">\n<h4 class=\"wp-block-heading\" id=\"i-41\">2. \u624b\u52d5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5834\u5408<\/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=\"\"># Java\u30d0\u30a4\u30ca\u30ea\u306e\u524a\u9664\nsudo rm -rf $JAVA_HOME\n\n# \u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u306e\u524a\u9664\nsudo rm \/etc\/profile.d\/jdk.sh\n\n# \u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u306e\u524a\u9664\nsed -i '\/JAVA_HOME\/d' ~\/.bashrc\nsed -i '\/JAVA_HOME\/d' ~\/.zshrc<\/pre>\n\n\n<div id=\"sgb-css-id-119\">\n<h4 class=\"wp-block-heading\" id=\"i-42\">\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u78ba\u8a8d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-120\">\n<p>\u3000\u25cf <code>java -version<\/code> \u3067\u30b3\u30de\u30f3\u30c9\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-121\">\n<p>\u3000\u25cf \u74b0\u5883\u5909\u6570\uff08JAVA_HOME, PATH\uff09\u304b\u3089Java\u95a2\u9023\u306e\u8a2d\u5b9a\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-122\">\n<p>\u3000\u25cf \u95a2\u9023\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b8c\u5168\u306b\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-123\">\n<p>\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u306e\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\u304b\u3089Java\u95a2\u9023\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-124\">\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\u3068\u6700\u9069\u5316\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u5b89\u5b9a\u3057\u305fJava\u5b9f\u884c\u74b0\u5883\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u72b6\u614b\u3092\u628a\u63e1\u3057\u3066\u304b\u3089\u5bfe\u51e6\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-125\">\n<h2 class=\"wp-block-heading\" id=\"i-43\">\u307e\u3068\u3081\uff1aLinux\u3067\u306eJava\u74b0\u5883\u69cb\u7bc9\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n<\/div>\n\n<div id=\"sgb-css-id-126\">\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Linux\u306bJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-127\">\n<h4 class=\"wp-block-heading\" id=\"i-44\">\u5c0e\u5165\u65b9\u6cd5\u306e\u4f7f\u3044\u5206\u3051<\/h4>\n<\/div>\n\n<div id=\"id-28506e61-032e-4512-ac9c-66d592379d63\">\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/th><th>\u304a\u3059\u3059\u3081\u306e\u7528\u9014<\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td>\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/td><td>\u4e00\u822c\u7684\u306a\u4f7f\u7528\u30fb\u691c\u8a3c\u74b0\u5883<\/td><td>\u7c21\u5358\u30fb\u5b89\u5168\u30fb\u81ea\u52d5\u66f4\u65b0<\/td><\/tr><tr><td>\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u624b\u52d5<\/td><td>\u672c\u756a\u74b0\u5883\u30fb\u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u5fc5\u9808<\/td><td>\u30d0\u30fc\u30b8\u30e7\u30f3\u9078\u629e\u53ef\u30fb\u6700\u65b0\u7248\u5229\u7528\u53ef<\/td><\/tr><tr><td>SDKMAN<\/td><td>\u958b\u767a\u74b0\u5883\u30fb\u8907\u6570\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/td><td>\u67d4\u8edf\u30fb\u5207\u308a\u66ff\u3048\u5bb9\u6613<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div id=\"sgb-css-id-128\">\n<h4 class=\"wp-block-heading\" id=\"i-45\">\u74b0\u5883\u69cb\u7bc9\u6642\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-129\">\n<p>\u3000\u25cf \u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u306e\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-130\">\n<p>\u3000\u25cf \u9069\u5207\u306aJava\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u9078\u629e<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-131\">\n<p>\u3000\u25cf \u74b0\u5883\u5909\u6570\u306e\u6b63\u3057\u3044\u8a2d\u5b9a<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-132\">\n<p>\u3000\u25cf \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-133\">\n<p>\u3000\u25cf \u52d5\u4f5c\u78ba\u8a8d\u306e\u5b9f\u65bd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-134\">\n<h4 class=\"wp-block-heading\" id=\"i-46\">\u4eca\u5f8c\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3067\u6c17\u3092\u3064\u3051\u308b\u3053\u3068<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-135\">\n<p>\u30001. \u5b9a\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u9069\u7528<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-136\">\n<p>\u30002. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u5b9f\u65bd<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-137\">\n<p>\u30003. \u5fc5\u8981\u306b\u5fdc\u3058\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-138\">\n<p>\u30004. \u30ed\u30b0\u306e\u5b9a\u671f\u7684\u306a\u30c1\u30a7\u30c3\u30af\u3068\u6e05\u6383<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-139\">\n<h4 class=\"wp-block-heading\" id=\"i-47\">\u3053\u3093\u306a\u6642\u306f\u8981\u6ce8\u610f\uff01<\/h4>\n<\/div>\n\n<div id=\"sgb-css-id-140\">\n<p>\u3000\u25cf \u672c\u756a\u74b0\u5883\u3067\u306e\u5b89\u6613\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u5909\u66f4<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-141\">\n<p>\u3000\u25cf \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u653e\u7f6e<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-142\">\n<p>\u3000\u25cf \u74b0\u5883\u5909\u6570\u306e\u91cd\u8907\u8a2d\u5b9a<\/p>\n<\/div>\n\n\n<p>\u3000\u25cf \u4e0d\u8981\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u653e\u7f6e<\/p>\n\n\n<div id=\"sgb-css-id-143\">\n<p>\u672c\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u624b\u9806\u306b\u5f93\u3048\u3070\u3001\u521d\u5fc3\u8005\u306e\u65b9\u3067\u30823\u5206\u7a0b\u5ea6\u3067Java\u74b0\u5883\u306e\u57fa\u672c\u7684\u306a\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u5229\u7528\u3084\u958b\u767a\u74b0\u5883\u306e\u69cb\u7bc9\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u3001\u8ffd\u52a0\u306e\u8a2d\u5b9a\u3084\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-144\">\n<p>\u30a8\u30e9\u30fc\u3084\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u672c\u8a18\u4e8b\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u53c2\u8003\u306b\u3001\u4e00\u3064\u4e00\u3064\u78ba\u8a8d\u3057\u306a\u304c\u3089\u89e3\u6c7a\u3092\u9032\u3081\u3066\u3044\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n<div id=\"sgb-css-id-145\">\n<p>Java\u74b0\u5883\u306e\u69cb\u7bc9\u306f\u3001\u4eca\u5f8c\u306e\u958b\u767a\u3084\u904b\u7528\u306e\u57fa\u76e4\u3068\u306a\u308b\u91cd\u8981\u306a\u4f5c\u696d\u3067\u3059\u3002\u672c\u8a18\u4e8b\u304c\u3001\u7686\u69d8\u306e\u5186\u6ed1\u306a\u74b0\u5883\u69cb\u7bc9\u306e\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\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":2916,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,67],"tags":[],"class_list":{"0":"post-1061","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-java","8":"category-java-setup"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1061","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=1061"}],"version-history":[{"count":6,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1061\/revisions"}],"predecessor-version":[{"id":2954,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1061\/revisions\/2954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/2916"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}