{"id":475,"date":"2022-10-21T10:08:57","date_gmt":"2023-02-25T22:29:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-22-04%e4%b8%8a%e4%bd%bf%e7%94%a8apt%e5%ae%89%e8%a3%85java\/"},"modified":"2025-08-02T12:27:37","modified_gmt":"2025-08-02T04:27:37","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-22-04%e4%b8%8a%e4%bd%bf%e7%94%a8apt%e5%ae%89%e8%a3%85java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-22-04%e4%b8%8a%e4%bd%bf%e7%94%a8apt%e5%ae%89%e8%a3%85java\/","title":{"rendered":"Ubuntu 22.04\u5b89\u88c5Java\u6559\u7a0b\uff1a\u4f7f\u7528Apt\u547d\u4ee4\u5feb\u901f\u914d\u7f6eJava\u5f00\u53d1\u73af\u5883"},"content":{"rendered":"<h3>\u5f15\u8a00<\/p>\n<p>Java\u548cJVM\uff08Java\u865a\u62df\u673a\uff09\u662f\u8bb8\u591a\u8f6f\u4ef6\u6240\u5fc5\u9700\u7684\uff0c\u5305\u62ecTomcat\u3001Jetty\u3001Glassfish\u3001Cassandra\u548cJenkins\u3002<\/p>\n<p>\u5728\u672c\u6307\u5357\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528apt\u5b89\u88c5\u5404\u79cd\u7248\u672c\u7684Java\u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u548cJava\u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u3002\u60a8\u5c06\u5b89\u88c5OpenJDK\u4ee5\u53ca\u6765\u81eaOracle\u7684\u5b98\u65b9JDK\u3002\u7136\u540e\uff0c\u60a8\u5c06\u9009\u62e9\u8981\u4e3a\u9879\u76ee\u4f7f\u7528\u7684\u7248\u672c\u3002\u5b8c\u6210\u540e\uff0c\u60a8\u5c06\u80fd\u591f\u4f7f\u7528JDK\u6765\u5f00\u53d1\u8f6f\u4ef6\u6216\u4f7f\u7528Java\u8fd0\u884c\u65f6\u6765\u8fd0\u884c\u8f6f\u4ef6\u3002<\/p>\n<div class=\"post-conf-info\">\n<p class=\"post-info\">\n<p class=\"post-conf-desc\">Info<\/p>\n<div>\u4f7f\u7528Silicon Cloud App\u5e73\u53f0\uff0c\u4eceGitHub\u90e8\u7f72\u4f60\u7684\u524d\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002\u8ba9Silicon Cloud\u4e13\u6ce8\u4e8e\u6269\u5c55\u4f60\u7684\u5e94\u7528\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/p>\n<p>\u8981\u6309\u7167\u672c\u6559\u7a0b\u64cd\u4f5c\uff0c\u4f60\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u6750\u6599\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>One Ubuntu 22.04 server set up by following the the Ubuntu 22.04 initial server setup guide tutorial, including a sudo non-root user and a firewall.<\/li>\n<\/ul>\n<h2>\u6b65\u9aa41-\u5b89\u88c5Java<\/p>\n<p>Java\u7684\u5b89\u88c5\u5305\u542b\u4e24\u4e2a\u4e3b\u8981\u7ec4\u4ef6\u3002JDK\u63d0\u4f9b\u4e86\u5f00\u53d1Java\u6240\u9700\u7684\u57fa\u672c\u8f6f\u4ef6\u5de5\u5177\uff0c\u5982\u7f16\u8bd1\u5668\u548c\u8c03\u8bd5\u5668\u3002JRE\u7528\u4e8e\u5b9e\u9645\u6267\u884cJava\u7a0b\u5e8f\u3002\u6b64\u5916\uff0cJava\u6709\u4e24\u4e2a\u4e3b\u8981\u7684\u5b89\u88c5\u9009\u9879\u53ef\u4f9b\u9009\u62e9\u3002OpenJDK\u662fJava\u7684\u5f00\u6e90\u5b9e\u73b0\u7248\u672c\uff0c\u5e76\u968fUbuntu\u6346\u7ed1\u63d0\u4f9b\u3002Oracle JDK\u662fJava\u7684\u539f\u59cb\u7248\u672c\uff0c\u7531Java\u7684\u5f00\u53d1\u8005Oracle\u5168\u9762\u7ef4\u62a4\u3002<\/p>\n<p>\u8fd9\u4e24\u4e2a\u7248\u672c\u90fd\u662f\u7531Oracle\u5b98\u65b9\u8ba4\u53ef\u7684\u3002\u5b83\u4eec\u90fd\u662f\u7531Oracle\u5f00\u53d1\u7684\uff0c\u4f46\u662f\u7531\u4e8eOpenJDK\u5177\u6709\u5f00\u6e90\u7279\u6027\uff0c\u5b83\u8fd8\u6dfb\u52a0\u4e86\u793e\u533a\u8d21\u732e\u3002\u7136\u800c\uff0c\u4eceJava 11\u5f00\u59cb\uff0c\u6839\u636eOracle\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8fd9\u4e24\u4e2a\u9009\u62e9\u5728\u529f\u80fd\u4e0a\u662f\u5b8c\u5168\u76f8\u540c\u7684\u3002\u9009\u62e9\u5b89\u88c5\u54ea\u4e2a\u7248\u672c\u53d6\u51b3\u4e8e\u9009\u62e9\u9002\u7528\u4e8e\u60a8\u60c5\u51b5\u7684\u8bb8\u53ef\u8bc1\u3002\u6b64\u5916\uff0cOpenJDK\u8fd8\u53ef\u4ee5\u9009\u62e9\u5355\u72ec\u5b89\u88c5JRE\uff0c\u800cOracleJDK\u5219\u968f\u9644\u5176\u81ea\u5df1\u7684JRE\u3002<\/p>\n<h3>\u9009\u98791\uff1a\u5b89\u88c5\u9ed8\u8ba4\u7684JRE\/JDK\u3002<\/p>\n<p>\u5728\u5b89\u88c5Java\u65f6\u7684\u4e00\u4e2a\u9009\u9879\u662f\u4f7f\u7528Ubuntu\u81ea\u5e26\u7684\u7248\u672c\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cUbuntu 22.04\u5305\u542b\u4e86Open JDK 11\uff0c\u8fd9\u662fJRE\u548cJDK\u7684\u5f00\u6e90\u53d8\u79cd\u3002<\/p>\n<p>\u8981\u5b89\u88c5OpenJDK\u7248\u672c\u7684Java\uff0c\u8bf7\u5148\u66f4\u65b0\u60a8\u7684apt\u8f6f\u4ef6\u5305\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> update\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u4e86Java\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">java<\/span> <span class=\"token parameter variable\">-version<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5f53\u524d\u672a\u5b89\u88c5Java\uff0c\u60a8\u5c06\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">OutputCommand 'java' not found, but can be installed with:\r\n\r\nsudo apt install default-jre              # version 2:1.11-72build1, or\r\nsudo apt install openjdk-11-jre-headless  # version 11.0.14+9-0ubuntu2\r\nsudo apt install openjdk-17-jre-headless  # version 17.0.2+8-1\r\nsudo apt install openjdk-18-jre-headless  # version 18~36ea-1\r\nsudo apt install openjdk-8-jre-headless   # version 8u312-b07-0ubuntu1\r\n<\/code><\/pre>\n<p>\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5OpenJDK 11\u4e2d\u7684JRE\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> default-jre\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>JRE \u5c06\u5141\u8bb8\u60a8\u8fd0\u884c\u51e0\u4e4e\u6240\u6709\u7684 Java \u8f6f\u4ef6\u3002<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1\u5b89\u88c5\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">java<\/span> <span class=\"token parameter variable\">-version<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u6536\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Outputopenjdk version \"11.0.14\" 2022-01-18\r\nOpenJDK Runtime Environment (build 11.0.14+9-Ubuntu-0ubuntu2)\r\nOpenJDK 64-Bit Server VM (build 11.0.14+9-Ubuntu-0ubuntu2, mixed mode, sharing)\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u7f16\u8bd1\u548c\u8fd0\u884c\u67d0\u4e9b\u7279\u5b9a\u7684\u57fa\u4e8eJava\u7684\u8f6f\u4ef6\uff0c\u9664\u4e86JRE\uff0c\u60a8\u53ef\u80fd\u8fd8\u9700\u8981JDK\u3002\u8981\u5b89\u88c5JDK\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u5b83\u4e5f\u4f1a\u540c\u65f6\u5b89\u88c5JRE\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> default-jdk\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u68c0\u67e5javac\u7684\u7248\u672c\uff08\u5373Java\u7f16\u8bd1\u5668\uff09\u6765\u9a8c\u8bc1JDK\u662f\u5426\u5df2\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">javac <span class=\"token parameter variable\">-version<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4f60\u4f1a\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c:<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Outputjavac <mark>11.0.14<\/mark>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06\u5b66\u4e60\u5982\u4f55\u5b89\u88c5Oracle\u5b98\u65b9\u7684JDK\u548cJRE\u3002<\/p>\n<h3>\u7b2c\u4e8c\u4e2a\u9009\u9879 &#8211; \u5b89\u88c5Oracle JDK 11<\/p>\n<p>Oracle\u7684Java\u6388\u6743\u534f\u8bae\u4e0d\u5141\u8bb8\u901a\u8fc7\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668\u81ea\u52a8\u5b89\u88c5\u3002\u8981\u5b89\u88c5Oracle JDK\uff08\u7531Oracle\u5b98\u65b9\u5206\u53d1\u7684\u5b98\u65b9\u7248\u672c\uff09\uff0c\u60a8\u5fc5\u987b\u521b\u5efa\u4e00\u4e2aOracle\u8d26\u53f7\u5e76\u624b\u52a8\u4e0b\u8f7d\u8981\u4f7f\u7528\u7684\u7248\u672c\u7684JDK\uff0c\u5e76\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8f6f\u4ef6\u5305\u5b58\u50a8\u5e93\u3002\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528apt\u6765\u501f\u52a9\u7b2c\u4e09\u65b9\u5b89\u88c5\u811a\u672c\u6765\u5b89\u88c5\u5b83\u3002Oracle JDK\u5df2\u7ecf\u5305\u542b\u4e86JRE\uff0c\u6240\u4ee5\u60a8\u4e0d\u9700\u8981\u5355\u72ec\u5b89\u88c5\u5b83\u3002<\/p>\n<p>\u60a8\u9700\u8981\u4e0b\u8f7d\u7684Oracle JDK\u7248\u672c\u5fc5\u987b\u4e0e\u5b89\u88c5\u7a0b\u5e8f\u811a\u672c\u7684\u7248\u672c\u76f8\u5339\u914d\u3002\u8981\u4e86\u89e3\u60a8\u9700\u8981\u7684\u7248\u672c\uff0c\u8bf7\u8bbf\u95eeoracle-java11-installer\u9875\u9762\u3002<\/p>\n<p>\u8bf7\u5728\u4ee5\u4e0b\u56fe\u793a\u4e2d\u627e\u5230 Jammy \u7684\u5305\u88f9\u3002<\/p>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65646e19a4b2f92e6c7280e2\/36-0.png\" class='post-images' alt=\"Installer package for Ubuntu 22.04\" title=\"\"><\/p>\n<p>\u5728\u6b64\u56fe\u50cf\u4e2d\uff0c\u811a\u672c\u7684\u7248\u672c\u662f11.0.13\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u9700\u8981\u4f7f\u7528Oracle JDK 11.0.13\u3002\u60a8\u7684\u7248\u672c\u53f7\u53ef\u80fd\u4f1a\u6839\u636e\u5b89\u88c5\u8f6f\u4ef6\u7684\u65f6\u95f4\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u4f60\u4e0d\u9700\u8981\u4ece\u8fd9\u4e2a\u9875\u9762\u4e0b\u8f7d\u4efb\u4f55\u5185\u5bb9\uff1b\u4f60\u4f1a\u5f88\u5feb\u901a\u8fc7apt\u4e0b\u8f7d\u5b89\u88c5\u811a\u672c\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u8bbf\u95ee\u5b58\u6863\u4e0b\u8f7d\uff0c\u627e\u5230\u4e0e\u60a8\u6240\u9700\u7684\u7248\u672c\u76f8\u5339\u914d\u7684\u90a3\u4e00\u4e2a\u3002<\/p>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65646e19a4b2f92e6c7280e2\/40-0.PNG\" class='post-images' alt=\"The Oracle Java archive downloads web page where you can find versions of Java that are not the latest release. \" title=\"\"><\/p>\n<p>\u4ece\u8fd9\u4e2a\u5217\u8868\u4e2d\u9009\u62e9 Linux x64 \u538b\u7f29\u5f52\u6863 .tar.gz \u5305\u3002<\/p>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65646e19a4b2f92e6c7280e2\/42-0.png\" class='post-images' alt=\"Linux download\" title=\"\"><\/p>\n<p>\u4f60\u5c06\u4f1a\u770b\u5230\u4e00\u4e2a\u5c4f\u5e55\u8981\u6c42\u4f60\u63a5\u53d7Oracle\u7684\u8bb8\u53ef\u534f\u8bae\u3002\u9009\u62e9\u590d\u9009\u6846\u4ee5\u63a5\u53d7\u8bb8\u53ef\u534f\u8bae\u5e76\u70b9\u51fb\u4e0b\u8f7d\u6309\u94ae\u3002\u4e0b\u8f7d\u5c06\u4f1a\u5f00\u59cb\u3002\u5728\u4e0b\u8f7d\u5f00\u59cb\u4e4b\u524d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u518d\u6b21\u767b\u5f55\u4f60\u7684Oracle\u8d26\u6237\u3002<\/p>\n<p>\u4e00\u65e6\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u6bd5\uff0c\u4f60\u9700\u8981\u5c06\u5176\u4f20\u8f93\u5230\u4f60\u7684\u670d\u52a1\u5668\u4e0a\u3002\u5728\u4f60\u7684\u672c\u5730\u8bbe\u5907\u4e0a\uff0c\u5c06\u6587\u4ef6\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a\u3002\u5728 macOS\u3001Linux \u6216\u4f7f\u7528 Windows \u5b50\u7cfb\u7edf\u7684 Windows \u4e0a\uff0c\u4f7f\u7528 scp \u547d\u4ee4\u5c06\u6587\u4ef6\u4f20\u8f93\u5230 user01 \u7528\u6237\u7684\u5bb6\u76ee\u5f55\u4e2d\u3002\u4e0b\u9762\u7684\u547d\u4ee4\u5047\u8bbe\u4f60\u5df2\u7ecf\u5c06 Oracle JDK \u6587\u4ef6\u4fdd\u5b58\u5728\u672c\u5730\u8bbe\u5907\u7684 Downloads \u6587\u4ef6\u5939\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">scp<\/span> <mark>Downloads<\/mark>\/jdk-<mark>11.0.13<\/mark>_linux-x64_bin.tar.gz <mark>user01<\/mark>@<mark>your_server_ip<\/mark>:~\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4e00\u65e6\u6587\u4ef6\u4e0a\u4f20\u5b8c\u6210\uff0c\u8bf7\u8fd4\u56de\u670d\u52a1\u5668\uff0c\u5e76\u6dfb\u52a0\u4e00\u4e2a\u7b2c\u4e09\u65b9\u5b58\u50a8\u5e93\uff0c\u8be5\u5b58\u50a8\u5e93\u5c06\u5e2e\u52a9\u60a8\u5b89\u88c5Oracle\u7684Java\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5bfc\u5165\u7528\u4e8e\u9a8c\u8bc1\u5373\u5c06\u5b89\u88c5\u7684\u8f6f\u4ef6\u7684\u7b7e\u540d\u5bc6\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> gpg <span class=\"token parameter variable\">--homedir<\/span> \/tmp --no-default-keyring <span class=\"token parameter variable\">--keyring<\/span> \/usr\/share\/keyrings\/oracle-jdk11-installer.gpg <span class=\"token parameter variable\">--keyserver<\/span> keyserver.ubuntu.com --recv-keys EA8CACC073C3DB2A\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4f60\u4f1a\u770b\u5230\u8fd9\u4e2a\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Outputgpg: keybox '\/usr\/share\/keyrings\/oracle-jdk11-installer.gpg' created\r\ngpg: \/tmp\/trustdb.gpg: trustdb created\r\ngpg: key EA8CACC073C3DB2A: public key \"Launchpad PPA for Linux Uprising\" imported\r\ngpg: Total number processed: 1\r\ngpg:               imported: 1\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5c06\u8be5\u4ed3\u5e93\u6dfb\u52a0\u5230\u60a8\u7684\u8f6f\u4ef6\u5305\u6e90\u5217\u8868\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">\"deb [arch=amd64 signed-by=\/usr\/share\/keyrings\/oracle-jdk11-installer.gpg] https:\/\/ppa.launchpadcontent.net\/linuxuprising\/java\/ubuntu jammy main\"<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">sudo<\/span> <span class=\"token function\">tee<\/span> \/etc\/apt\/sources.list.d\/oracle-jdk11-installer.list <span class=\"token operator\">&gt;<\/span> \/dev\/null\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u66f4\u65b0\u5305\u5217\u8868\u4ee5\u4fbf\u5b89\u88c5\u65b0\u8f6f\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> update\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5b89\u88c5\u7a0b\u5e8f\u5c06\u5728 \/var\/cache\/oracle-jdk11-installer-local \u4e2d\u67e5\u627e\u60a8\u4e0b\u8f7d\u7684Oracle JDK\u3002\u8bf7\u521b\u5efa\u6b64\u76ee\u5f55\u5e76\u5c06Oracle JDK\u6863\u6848\u79fb\u52a8\u5230\u8be5\u76ee\u5f55\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mkdir<\/span> <span class=\"token parameter variable\">-p<\/span> \/var\/cache\/oracle-jdk11-installer-local\/\r\n<\/li><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">cp<\/span> jdk-<mark>11.0.13<\/mark>_linux-x64_bin.tar.gz \/var\/cache\/oracle-jdk11-installer-local\/\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u5b89\u88c5\u8f6f\u4ef6\u5305\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> oracle-java11-installer-local\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5b89\u88c5\u7a0b\u5e8f\u9996\u5148\u4f1a\u8981\u6c42\u60a8\u63a5\u53d7Oracle\u8bb8\u53ef\u534f\u8bae\u3002\u63a5\u53d7\u534f\u8bae\u540e\uff0c\u5b89\u88c5\u7a0b\u5e8f\u5c06\u63d0\u53d6Java\u8f6f\u4ef6\u5305\u5e76\u5b89\u88c5\u5b83\u3002<\/p>\n<p>\u73b0\u5728\u4f60\u5c06\u5b66\u4e60\u5982\u4f55\u9009\u62e9\u4f60\u60f3\u8981\u4f7f\u7528\u7684Java\u7248\u672c\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65 \u2014 \u7ba1\u7406Java<\/p>\n<p>\u5728\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u53ef\u4ee5\u5b89\u88c5\u591a\u4e2aJava\u7248\u672c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528update-alternatives\u547d\u4ee4\u6765\u914d\u7f6e\u9ed8\u8ba4\u4f7f\u7528\u54ea\u4e2a\u7248\u672c\u7684\u547d\u4ee4\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> update-alternatives <span class=\"token parameter variable\">--config<\/span> <span class=\"token function\">java<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5728\u672c\u6559\u7a0b\u4e2d\u5b89\u88c5\u4e86\u4e24\u4e2a\u4e0d\u540c\u7248\u672c\u7684Java\uff0c\u5219\u8f93\u51fa\u4f1a\u662f\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">OutputThere are 2 choices for the alternative java (providing \/usr\/bin\/java).\r\n\r\n  Selection    Path                                         Priority   Status\r\n------------------------------------------------------------\r\n  0            \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java   1111      auto mode\r\n  1            \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java   1111      manual mode\r\n* 2            \/usr\/lib\/jvm\/java-11-oracle\/bin\/java          1091      manual mode\r\n\r\nPress &lt;enter&gt; to keep the current choice[*], or type selection number:\r\n<\/code><\/pre>\n<p>\u9009\u62e9\u4e0eJava\u7248\u672c\u76f8\u5173\u7684\u6570\u5b57\u4ee5\u5c06\u5176\u4f5c\u4e3a\u9ed8\u8ba4\u7248\u672c\uff0c\u6216\u6309\u56de\u8f66\u952e\u4fdd\u7559\u5f53\u524d\u8bbe\u7f6e\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u5bf9\u5176\u4ed6Java\u547d\u4ee4\u4e5f\u6267\u884c\u7c7b\u4f3c\u64cd\u4f5c\uff0c\u6bd4\u5982\u7f16\u8bd1\u5668\uff08javac\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> update-alternatives <span class=\"token parameter variable\">--config<\/span> <mark>javac<\/mark>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u6b64\u547d\u4ee4\u53ef\u7528\u4e8e\u8fd0\u884c\u5176\u4ed6\u547d\u4ee4\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1akeytool\u3001javadoc\u548cjarsigner\u3002<\/p>\n<h2>\u6b65\u9aa4\u4e09 \u2014 \u914d\u7f6eJAVA_HOME\u73af\u5883\u53d8\u91cf<\/p>\n<p>\u8bb8\u591a\u4f7f\u7528Java\u7f16\u5199\u7684\u7a0b\u5e8f\u4f7f\u7528JAVA_HOME\u73af\u5883\u53d8\u91cf\u6765\u786e\u5b9aJava\u7684\u5b89\u88c5\u4f4d\u7f6e\u3002<\/p>\n<p>\u8981\u8bbe\u7f6e\u8fd9\u4e2a\u73af\u5883\u53d8\u91cf\uff0c\u9996\u5148\u786e\u5b9aJava\u5b89\u88c5\u5728\u54ea\u91cc\u3002\u4f7f\u7528\u201cupdate-alternatives\u201d\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> update-alternatives <span class=\"token parameter variable\">--config<\/span> <span class=\"token function\">java<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u663e\u793a\u4e86\u6bcf\u4e2aJava\u5b89\u88c5\u53ca\u5176\u5b89\u88c5\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">OutputThere are 2 choices for the alternative java (providing \/usr\/bin\/java).\r\n\r\n  Selection    Path                                         Priority   Status\r\n------------------------------------------------------------\r\n  0            \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java   1111      auto mode\r\n  1            \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java   1111      manual mode\r\n* 2            \/usr\/lib\/jvm\/java-11-oracle\/bin\/java          1091      manual mode\r\n\r\nPress &lt;enter&gt; to keep the current choice[*], or type selection number:\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b89\u88c5\u8def\u5f84\u5982\u4e0b\uff1a<\/p>\n<ol>OpenJDK 11 \u4f4d\u4e8e \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java\u3002<br \/>\nOracle Java \u4f4d\u4e8e \/usr\/lib\/jvm\/java-11-oracle\/jre\/bin\/java\u3002<\/ol>\n<p>\u590d\u5236\u60a8\u9996\u9009\u5b89\u88c5\u7684\u8def\u5f84\u3002\u7136\u540e\u4f7f\u7528nano\u6216\u60a8\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\/etc\/environment\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/environment\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5728\u8be5\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff0c\u8bf7\u786e\u4fdd\u5c06\u9ad8\u4eae\u8def\u5f84\u66ff\u6362\u4e3a\u60a8\u81ea\u5df1\u590d\u5236\u7684\u8def\u5f84\uff0c\u5e76\u4e14\u4e0d\u5305\u62ec\u8def\u5f84\u4e2d\u7684bin\/\u90e8\u5206\u3002<\/p>\n<p><strong>\/etc\/environment<\/strong> &#8211;> \/etc\/environment \u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code>JAVA_HOME=\"<mark>\/usr\/lib\/jvm\/java-11-openjdk-amd64<\/mark>\"\r\n<\/code><\/pre>\n<p>\u4fee\u6539\u6b64\u6587\u4ef6\u5c06\u4e3a\u60a8\u7cfb\u7edf\u4e0a\u7684\u6240\u6709\u7528\u6237\u8bbe\u7f6eJAVA_HOME\u8def\u5f84\u3002<\/p>\n<p>\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<p>\u73b0\u5728\u91cd\u65b0\u52a0\u8f7d\u8be5\u6587\u4ef6\uff0c\u4ee5\u5e94\u7528\u66f4\u6539\u5230\u60a8\u5f53\u524d\u7684\u4f1a\u8bdd\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token builtin class-name\">source<\/span> \/etc\/environment\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u9a8c\u8bc1\u73af\u5883\u53d8\u91cf\u662f\u5426\u5df2\u8bbe\u7f6e\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token builtin class-name\">echo<\/span> <span class=\"token variable\">$JAVA_HOME<\/span>\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4f60\u4f1a\u770b\u5230\u4f60\u521a\u521a\u8bbe\u5b9a\u7684\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div><code><mark>\/usr\/lib\/jvm\/java-11-openjdk-amd64<\/mark><\/code><\/pre>\n<p>\u5176\u4ed6\u7528\u6237\u9700\u8981\u6267\u884c\u547d\u4ee4<code>source \/etc\/environment<\/code>\u6216\u8005\u9000\u51fa\u5e76\u91cd\u65b0\u767b\u5f55\u4ee5\u5e94\u7528\u6b64\u8bbe\u7f6e\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u8fd9\u4e2a\u6559\u7a0b\u4e2d\uff0c\u4f60\u5b89\u88c5\u4e86\u591a\u4e2a\u7248\u672c\u7684Java\u5e76\u5b66\u4f1a\u4e86\u5982\u4f55\u7ba1\u7406\u5b83\u4eec\u3002\u73b0\u5728\u4f60\u53ef\u4ee5\u5b89\u88c5\u5728Java\u4e0a\u8fd0\u884c\u7684\u8f6f\u4ef6\uff0c\u6bd4\u5982Tomcat\u3001Jetty\u3001Glassfish\u3001Cassandra\u6216Jenkins\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 Java\u548cJVM\uff08Java\u865a\u62df\u673a\uff09\u662f\u8bb8\u591a\u8f6f\u4ef6\u6240\u5fc5\u9700\u7684\uff0c\u5305\u62ecTomcat\u3001Jetty\u3001Glassfish\u3001 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[659,658,1452,483,300],"class_list":{"0":"post-475","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-apt","8":"tag-java","10":"tag-linux","11":"tag-ubuntu-22-04"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ubuntu 22.04\u5b89\u88c5Java\u6559\u7a0b\uff1a\u4f7f\u7528Apt\u547d\u4ee4\u5feb\u901f\u914d\u7f6eJava\u5f00\u53d1\u73af\u5883 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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