{"id":1261,"date":"2022-01-28T09:12:33","date_gmt":"2022-01-28T01:12:33","guid":{"rendered":"http:\/\/dba.qishuo.xin\/?p=1261"},"modified":"2022-09-05T20:17:00","modified_gmt":"2022-09-05T12:17:00","slug":"centos%e6%9f%a5%e7%9c%8bjdk%e4%bd%8d%e7%bd%ae","status":"publish","type":"post","link":"http:\/\/dba.qishuo.xin\/?p=1261","title":{"rendered":"Linux\u67e5\u770bJDK\u4f4d\u7f6e"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69eca6ace902d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69eca6ace902d\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#1_%E7%8E%AF%E5%A2%83%E6%8F%8F%E8%BF%B0\" >1. \u73af\u5883\u63cf\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#2_%E6%A3%80%E6%9F%A5jdk%E6%98%AF%E5%90%A6%E5%AE%89%E8%A3%85\" >2. \u68c0\u67e5jdk\u662f\u5426\u5b89\u88c5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#3_%E6%9F%A5%E6%89%BEjava%E5%91%BD%E4%BB%A4%E7%9A%84%E4%BD%8D%E7%BD%AE\" >3. \u67e5\u627ejava\u547d\u4ee4\u7684\u4f4d\u7f6e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#4_%E6%9F%A5%E6%89%BE%E5%88%97%E5%87%BA%E8%AF%A5%E9%93%BE%E6%8E%A5%E6%89%80%E6%8C%87%E5%90%91%E7%9A%84%E5%8E%9F%E5%A7%8B%E6%96%87%E4%BB%B6%E6%88%96%E7%9B%AE%E5%BD%95\" >4. \u67e5\u627e\u5217\u51fa\u8be5\u94fe\u63a5\u6240\u6307\u5411\u7684\u539f\u59cb\u6587\u4ef6\u6216\u76ee\u5f55<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#5_%E6%9F%A5%E6%89%BE%E7%9B%AE%E5%BD%95\" >5. \u67e5\u627e\u76ee\u5f55<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/dba.qishuo.xin\/?p=1261\/#6_%E5%8F%82%E8%80%83%EF%BC%9A\" >6. \u53c2\u8003\uff1a<\/a><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"1_%E7%8E%AF%E5%A2%83%E6%8F%8F%E8%BF%B0\"><\/span>1. \u73af\u5883\u63cf\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u64cd\u4f5c\u7cfb\u7edf\uff1aCentOS Linux release 7.8.2003 (Core)<br \/>\n<span style='color:red'> centos7\u9ed8\u8ba4\u5e26\u6709openjdk\uff0c\u4f7f\u7528 IDea \u8f6f\u4ef6\u65f6\u5b83\u662f\u4e0d\u8ba4\u53efopenjdk\u7684\u3002<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_%E6%A3%80%E6%9F%A5jdk%E6%98%AF%E5%90%A6%E5%AE%89%E8%A3%85\"><\/span>2. \u68c0\u67e5jdk\u662f\u5426\u5b89\u88c5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u9996\u5148\u6211\u4eec\u8981\u786e\u5b9a\u6211\u4eec\u7684\u7cfb\u7edf\u4e0a\u9762\u7684\u786e\u6709jdk,\u5426\u5219\u4e00\u5207\u90fd\u662f\u767d\u642d\u3002<\/p>\n<pre><code class=\"language-shell\">~]# java -version<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8be2\u51fa\u6765\u4e0b\u9762\u7684\u754c\u9762\u5c31\u8bf4\u660e\u7684\u786e\u6709jdk<br \/>\n<a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2022\/01\/wp_editor_md_675d2491c1b443db32eb333d785f22f0.jpg\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2022\/01\/wp_editor_md_675d2491c1b443db32eb333d785f22f0.jpg\" alt=\"\" \/><\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"3_%E6%9F%A5%E6%89%BEjava%E5%91%BD%E4%BB%A4%E7%9A%84%E4%BD%8D%E7%BD%AE\"><\/span>3. \u67e5\u627ejava\u547d\u4ee4\u7684\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-shell\">~]# which java\n\n# \u663e\u793a\u5982\u4e0b\n\/usr\/bin\/java<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"4_%E6%9F%A5%E6%89%BE%E5%88%97%E5%87%BA%E8%AF%A5%E9%93%BE%E6%8E%A5%E6%89%80%E6%8C%87%E5%90%91%E7%9A%84%E5%8E%9F%E5%A7%8B%E6%96%87%E4%BB%B6%E6%88%96%E7%9B%AE%E5%BD%95\"><\/span>4. \u67e5\u627e\u5217\u51fa\u8be5\u94fe\u63a5\u6240\u6307\u5411\u7684\u539f\u59cb\u6587\u4ef6\u6216\u76ee\u5f55<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-shell\"> ~]# ls -l \/usr\/bin\/java\n\n# \u663e\u793a\u5982\u4e0b\nlrwxrwxrwx. 1 root root 22 Jan 27 16:07 \/usr\/bin\/java -&gt; \/etc\/alternatives\/java<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"5_%E6%9F%A5%E6%89%BE%E7%9B%AE%E5%BD%95\"><\/span>5. \u67e5\u627e\u76ee\u5f55<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-shell\">~]# ls -l \/etc\/alternatives\/java\n\n# \u663e\u793a\u5982\u4e0b\nlrwxrwxrwx. 1 root root 73 Jan 27 16:07 \/etc\/alternatives\/java -&gt; \/usr\/lib\/jvm\/java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.x86_64\/jre\/bin\/java<\/code><\/pre>\n<p><span style='color:red'>\u8fd9\u91cc \/usr\/lib\/jvm\/java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.x86_64 \u5373\u4e3ajdk\u7684\u5b89\u88c5\u76ee\u5f55\u3002 <\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"6_%E5%8F%82%E8%80%83%EF%BC%9A\"><\/span>6. \u53c2\u8003\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a target=\"_blank\" href=\"https:\/\/blog.csdn.net\/lovely__RR\/article\/details\/109384338\">https:\/\/blog.csdn.net\/lovely__RR\/article\/details\/109384338<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u73af\u5883\u63cf\u8ff0 \u64cd\u4f5c\u7cfb\u7edf\uff1aCentOS Linux&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[179,180,48],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-linux","tag-java","tag-jdk","tag-linux"],"_links":{"self":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1261"}],"version-history":[{"count":5,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":2081,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions\/2081"}],"wp:attachment":[{"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/dba.qishuo.xin\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}