{"id":39470,"date":"2024-11-26T08:18:31","date_gmt":"2024-11-26T00:18:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39470\/"},"modified":"2024-11-26T08:18:31","modified_gmt":"2024-11-26T00:18:31","slug":"ubuntu-24-04-lts%e6%80%8e%e4%b9%88%e5%ae%89%e8%a3%85%e5%92%8c%e5%8d%b8%e8%bd%bdjava","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39470\/","title":{"rendered":"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?"},"content":{"rendered":"<p>\u5728 ubuntu 24.04 lts \u4e0a\u5b89\u88c5 java \u65f6\uff0c\u4e86\u89e3 java \u7684\u4e0d\u540c\u7248\u672c\u81f3\u5173\u91cd\u8981\u3002php\u5c0f\u7f16\u9999\u8549\u5c06\u5e26\u4f60\u6df1\u5165\u4e86\u89e3 java \u7248\u672c\u548c\u5b89\u88c5\u6b65\u9aa4\uff0c\u786e\u4fdd\u4f60\u80fd\u591f\u8f7b\u677e\u4e0a\u624b\u3002\u9605\u8bfb\u672c\u6587\uff0c\u638c\u63e1\u5fc5\u8981\u7684\u77e5\u8bc6\uff0c\u987a\u5229\u5b89\u88c5 java \u5e76\u5f00\u59cb\u4f60\u7684\u5f00\u53d1\u4e4b\u65c5\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315029989.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe\" \/><\/p>\n<h3>OpenJDK \u4e0e OpenJRE \u7684\u5dee\u5f02<\/h3>\n<p>\u5728 Java \u5f00\u53d1\u548c\u8fd0\u884c\u73af\u5883\u4e2d\uff0cOpenJDK \u548c OpenJRE \u662f\u4e24\u4e2a\u5e38\u7528\u7684\u7ec4\u4ef6\uff0c\u5b83\u4eec\u65e2\u6709\u8054\u7cfb\u4e5f\u6709\uff1a<\/p>\n<ul>\n<li>OpenJDK \u662f Java \u6807\u51c6\u7248\u7684\u5f00\u6e90\u5b9e\u73b0\uff0c\u5305\u542b\u4e86\u5f00\u53d1\u548c\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5de5\u5177\uff0c\u5305\u62ec Java \u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u548c Java \u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u3002\u8fd9\u662f\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u7684\u5fc5\u9700\u73af\u5883\u3002<\/li>\n<li>\u800c OpenJRE \u5219\u53ea\u5305\u542b\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684 JRE \u73af\u5883\uff0c\u5305\u62ec\u4e86 Java \u865a\u62df\u673a\uff08JVM\uff09\u548c\u6838\u5fc3\u7c7b\u5e93\uff0c\u4e0d\u5305\u62ec JDK \u4e2d\u7684\u5f00\u53d1\u5de5\u5177\u548c\u7f16\u8bd1\u5668\u3002<\/li>\n<\/ul>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u8981\u5f00\u53d1 Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u5c31\u9700\u8981\u5b89\u88c5 OpenJDK\uff1b\u5982\u679c\u53ea\u662f\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u5b89\u88c5 OpenJRE \u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<h3>\u9009\u62e9 Oracle JDK \u8fd8\u662f OpenJDK\uff1f<\/h3>\n<p>\u5728 Ubuntu 24.04 LTS \u4e0a\u5b89\u88c5 Java \u65f6\uff0c\u6709\u4e24\u4e2a\u4e3b\u8981\u9009\u62e9\uff1aOracle JDK \u548c OpenJDK\u3002 \u63a8\u8350\u4f7f\u7528 Ubuntu \u4ed3\u5e93\u4e2d\u7684 OpenJDK\uff0c\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li> <strong>\u5b89\u88c5\u65b9\u4fbf<\/strong>\uff1a\u901a\u8fc7 Ubuntu \u4ed3\u5e93\u5b89\u88c5 OpenJDK \u66f4\u7b80\u5355\uff0c\u65e0\u9700\u624b\u52a8\u4e0b\u8f7d\u548c\u5b89\u88c5 DEB \u5305\u3002<\/li>\n<li> <strong>\u81ea\u52a8\u66f4\u65b0<\/strong>\uff1aOpenJDK \u53ef\u4ee5\u968f Ubuntu \u7cfb\u7edf\u66f4\u65b0\u81ea\u52a8\u83b7\u5f97\u66f4\u65b0\uff0c\u800c Oracle JDK \u9700\u8981\u4f60\u624b\u52a8\u8fdb\u884c\u66f4\u65b0\u3002<\/li>\n<li> <strong>\u8bb8\u53ef\u6a21\u5f0f<\/strong>\uff1aOpenJDK \u662f\u5f00\u6e90\u7684\uff0c\u800c Oracle JDK \u53ef\u80fd\u6d89\u53ca\u5546\u4e1a\u4f7f\u7528\u4e0a\u7684\u9650\u5236\u3002<\/li>\n<\/ul>\n<blockquote><p>\n  OpenJDK \u548c Oracle JDK \u57fa\u4e8e\u76f8\u540c\u7684\u4ee3\u7801\uff0c\u6700\u4e3b\u8981\u7684\u533a\u522b\u5728\u4e8e\u8bb8\u53ef\u6a21\u5f0f\u3002\n<\/p><\/blockquote>\n<h3>\u5982\u4f55\u9009\u62e9 Java \u7248\u672c\uff1f<\/h3>\n<p>Ubuntu 24.04 LTS \u652f\u6301\u591a\u4e2a OpenJDK \u7248\u672c\uff0c\u4ece 8 \u5230 22\uff0c\u9009\u62e9\u6bd4\u8f83\u591a\u3002\u5bf9\u4e8e\u65b0\u7528\u6237\u6765\u8bf4\uff0c\u53ef\u80fd\u6709\u4e9b\u6293\u778e\u3002\u5728\u7248\u672c\u9009\u62e9\u65f6\uff0c\u4e3b\u8981\u53c2\u8003\u4ee5\u4e0b\u539f\u5219\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u63a8\u8350\u9009\u62e9 LTS\uff08\u957f\u671f\u652f\u6301\uff09\u7248\u672c\uff0c\u5b83\u4eec\u62e5\u6709\u66f4\u957f\u7684\u652f\u6301\u5468\u671f\uff085 \u5e74\uff09\u548c\u66f4\u597d\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<li>Ubuntu 24.04 \u8f6f\u4ef6\u4ed3\u5e93\u4e2d\u63d0\u4f9b\u4e86\u56db\u4e2a Java LTS \u7248\u672c\uff1a8\u300111\u300117 \u548c 21\u3002 \u5176\u4e2d\uff0cJava 8 \u548c 11 \u7684\u652f\u6301\u5468\u671f\u5df2\u7ecf\u7ed3\u675f\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4ece 17 \u548c 21 \u8fd9\u4e24\u4e2a\u7248\u672c\u4e2d\u9009\u3002<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<th>Java \u7248\u672c<\/th>\n<th>\u4e3b\u6d41\u652f\u6301<\/th>\n<th>\u6269\u5c55\u652f\u6301<\/th>\n<\/tr>\n<tr>\n<td>8 (LTS)<\/td>\n<td>2022 \u5e74 3 \u6708 31 \u65e5<\/td>\n<td>2030 \u5e74 12 \u6708 21 \u65e5<\/td>\n<\/tr>\n<tr>\n<td>11 (LTS)<\/td>\n<td>2023 \u5e74 9 \u6708 30 \u65e5<\/td>\n<td>2026 \u5e74 9 \u6708 30 \u65e5<\/td>\n<\/tr>\n<tr>\n<td>17 (LTS)<\/td>\n<td>2026 \u5e74 9 \u6708 30 \u65e5<\/td>\n<td>2029 \u5e74 9 \u6708 30 \u65e5<\/td>\n<\/tr>\n<tr>\n<td>19<\/td>\n<td>2023 \u5e74 3 \u6708 21 \u65e5<\/td>\n<td>2023 \u5e74 3 \u6708 21 \u65e5<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>2023 \u5e74 9 \u6708 19 \u65e5<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>21 (LTS)<\/td>\n<td>2028 \u5e74 9 \u6708 30 \u65e5<\/td>\n<td>2031 \u5e74 9 \u6708 30 \u65e5<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>2024 \u5e74 9 \u6708 17 \u65e5<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5c3d\u7ba1 Java 17 LTS \u76ee\u524d\u66f4\u4e3a\u666e\u904d\uff0c\u4f46\u5f53\u6211\u4eec\u653e\u773c\u672a\u6765\uff0cJava 21 LTS \u62e5\u6709\u66f4\u957f\u7684\u652f\u6301\u5468\u671f\uff0c\u672a\u6765\u51e0\u5e74\u6709\u6f5c\u529b\u6210\u4e3a\u5f00\u53d1\u8005\u7684\u4e3b\u529b\u9009\u62e9\u3002 \u56e0\u6b64\uff0c\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u5b89\u88c5 Java 21 LTS\u3002<\/p>\n<h3>\u5728 Ubuntu 24.04 LTS \u4e0a\u5b89\u88c5 Java<\/h3>\n<p>\u5728\u4e86\u89e3\u4e86\u4e0d\u540c\u7684 Java \u5b9e\u73b0\u548c\u7248\u672c\u540e\uff0c\u4e0b\u9762\u5f00\u59cb\u5b89\u88c5\u8fc7\u7a0b\uff1a<\/p>\n<p>1\u3001\u6253\u5f00\u300c\u7ec8\u7aef\u300d\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u68c0\u67e5\u4f60\u7684 Ubuntu 24.04 \u7cfb\u7edf\u4e0a\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u4e86 Java\uff1a<\/p>\n<pre>java -version<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315094215.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe1\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe1\" \/><\/p>\n<p style=\"text-align:center\">\u68c0\u67e5 Java \u662f\u5426\u5df2\u7ecf\u5b89\u88c5<\/p>\n<p>2\u3001Ubuntu 24.04 LTS \u7684\u8f6f\u4ef6\u4ed3\u5e93\u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4fbf\u6377\u7684default-jdk\u5143\u6570\u636e\u5305\uff0c\u5b83\u4f1a\u81ea\u52a8\u9009\u62e9\u5e76\u5b89\u88c5\u6700\u65b0\u7684 LTS \u7248\u672c\uff08\u76ee\u524d\u4e3a Java 21 LTS\uff09\uff1a<\/p>\n<pre>sudo apt install default-jdk<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315033344.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe2\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe2\" \/><\/p>\n<p style=\"text-align:center\">\u5728 Ubuntu 24.04 LTS \u4e0a\u5b89\u88c5 Java<\/p>\n<p>3\u3001\u4e3a\u4e86\u786e\u4fdd Java \u6210\u529f\u5b89\u88c5\uff0c\u8bf7\u5728\u300c\u7ec8\u7aef\u300d\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u5b89\u88c5\u7ed3\u679c\uff1a<\/p>\n<pre>java -version<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315087450.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe3\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe3\" \/><\/p>\n<p style=\"text-align:center\">\u9a8c\u8bc1 Java \u5b89\u88c5\u7ed3\u679c<\/p>\n<h3>\u8bbe\u7f6e\u9ed8\u8ba4\u7684 Java \u7248\u672c<\/h3>\n<p>\u5728 Ubuntu 24.04 LTS \u7cfb\u7edf\u4e0a\uff0c\u4f60\u53ef\u4ee5\u540c\u65f6\u5b89\u88c5\u591a\u4e2a Java \u7248\u672c\uff0c\u5e76\u7075\u6d3b\u5730\u5207\u6362\u9ed8\u8ba4\u7248\u672c\uff1a<\/p>\n<p>1\u3001\u5217\u51fa\u7cfb\u7edf\u4e0a\u6240\u6709\u5df2\u5b89\u88c5\u7684 Java \u7248\u672c\uff1a<\/p>\n<pre>sudo dpkg -l | grep 'jdk|jre'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315026077.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe4\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe4\" \/><\/p>\n<p style=\"text-align:center\">\u5217\u51fa\u5f53\u524d\u5b89\u88c5\u7684 JDK \u548c JRE \u7248\u672c<\/p>\n<p>2\u3001\u67e5\u770b\u5f53\u524d\u9ed8\u8ba4\u7684 Java \u7248\u672c\uff1a<\/p>\n<pre>java -version<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>3\u3001\u4f7f\u7528update-alternatives\u547d\u4ee4\u5207\u6362\u9ed8\u8ba4\u7248\u672c\uff1a<\/p>\n<pre>sudo update-alternatives --config java<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315086054.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe5\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe5\" \/><\/p>\n<p style=\"text-align:center\">\u5207\u6362 Java \u9ed8\u8ba4\u7248\u672c<\/p>\n<p>4\u3001\u547d\u4ee4\u4f1a\u8f93\u51fa\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u6240\u6709\u5df2\u5b89\u88c5\u7684 Java \u7248\u672c\uff0c\u4ee5\u53ca\u5bf9\u5e94\u7684\u9009\u62e9\u7f16\u53f7\u3002 \u9009\u62e9\u8981\u8bbe\u4e3a\u9ed8\u8ba4\u7684\u7248\u672c\u7f16\u53f7\uff0c\u5e76\u6309\u300c\u56de\u8f66\u300d\u952e\u786e\u8ba4\u3002<\/p>\n<h3>\u8bbe\u7f6e JAVA_HOME \u73af\u5883\u53d8\u91cf<\/h3>\n<p>JAVA_HOME\u73af\u5883\u53d8\u91cf\u5bf9\u4e8e\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\u662f\u5fc5\u9700\u7684\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u7cfb\u7edf\u5b9a\u4f4d JDK \u7684\u5b89\u88c5\u76ee\u5f55\uff0c\u4ece\u800c\u65b9\u4fbf\u6267\u884c Java \u5e94\u7528\u7a0b\u5e8f\u6216\u7f16\u8bd1 Java \u4ee3\u7801\u3002<\/p>\n<p>1\u3001\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u627e\u5230\u9700\u8981\u8bbe\u7f6e\u7684 Java \u8def\u5f84\uff1a<\/p>\n<pre>sudo update-alternatives --config java<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315088394.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe6\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe6\" \/><\/p>\n<p style=\"text-align:center\">\u627e\u5230 JAVA \u8def\u5f84<\/p>\n<p>2\u3001\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\/etc\/environment\u6587\u4ef6\uff1a<\/p>\n<pre>sudo vim \/etc\/environment<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>3\u3001\u5728\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff08\u6839\u636e\u4f60\u7684\u5b9e\u9645 Java \u5b89\u88c5\u8def\u5f84\u8fdb\u884c\u66ff\u6362\uff09\uff1a<\/p>\n<pre>JAVA_HOME=\"\/usr\/lib\/jvm\/java-17-openjdk-amd64\/bin\/java\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315144502.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe7\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe7\" \/><\/p>\n<p style=\"text-align:center\">\u6dfb\u52a0 JAVA_HOME \u73af\u5883\u53d8\u91cf<\/p>\n<p>4\u3001\u4fdd\u5b58\u6587\u4ef6\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u5e94\u7528\u66f4\u6539\u548c\u9a8c\u8bc1\u914d\u7f6e\uff1a<\/p>\n<pre>source \/etc\/environment\necho $JAVA_HOME<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172958315196132.jpg\" class=\"aligncenter\" title=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe8\" alt=\"Ubuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u63d2\u56fe8\" \/><\/p>\n<p style=\"text-align:center\">\u68c0\u67e5 JAVA_HOME \u73af\u5883\u53d8\u91cf<\/p>\n<h3>\u5728 Ubuntu 24.04 LTS \u4e0a\u5378\u8f7d Java<\/h3>\n<p>\u8981\u4ece Ubuntu 24.04 LTS \u7cfb\u7edf\u4e2d\u5378\u8f7d Java\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<p>1\u3001\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5217\u51fa\u6240\u6709\u5df2\u5b89\u88c5\u7684 Java \u76f8\u5173\u5305\uff1a<\/p>\n<pre>sudo dpkg -l | grep 'jdk|jre'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>2\u3001\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5378\u8f7d\u8fd9\u4e9b\u5305\uff0c\u5c06\u5305\u540d\u66ff\u6362\u4e3a\u4f60\u627e\u5230\u7684\u5b9e\u9645\u5305\u540d\uff1a<\/p>\n<pre>sudo apt purge default-jdk default-jdk-headless default-jre default-jre-headless openjdk-21-jdk openjdk-21-jdk-headless openjdk-21-jre openjdk-21-jre-headless<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>3\u3001\u5378\u8f7d\u5b8c\u6210\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6e05\u9664\u5269\u4f59\u7684\u4f9d\u8d56\u9879\uff1a<\/p>\n<pre>sudo apt autoremove --purge<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>4\u3001\u4ece\/etc\/environment\u6587\u4ef6\u4e2d\u5220\u9664\u5305\u542bJAVA_HOME\u53d8\u91cf\u7684\u884c\uff0c\u5e76\u4fdd\u5b58\u6587\u4ef6\u3002<\/p>\n<p>\u81f3\u6b64\uff0c\u4f60\u5df2\u7ecf\u6210\u529f\u5728 Ubuntu 24.04 LTS \u4e0a\u5b89\u88c5\u5e76\u914d\u7f6e Java \u73af\u5883\u3002 \u63a5\u4e0b\u6765\uff0c\u5c3d\u60c5\u5f00\u542f\u4f60\u7684 Java \u5f00\u53d1\u6216\u5e94\u7528\u4e4b\u65c5\u5427\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fUbuntu 24.04 LTS\u600e\u4e48\u5b89\u88c5\u548c\u5378\u8f7dJava?\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 ubuntu 24.04 lts \u4e0a\u5b89\u88c5 java \u65f6\uff0c\u4e86\u89e3 java \u7684\u4e0d\u540c\u7248\u672c\u81f3\u5173\u91cd\u8981\u3002php\u5c0f\u7f16\u9999\u8549\u5c06\u5e26\u4f60\u6df1\u5165\u4e86\u89e3 java \u7248\u672c\u548c\u5b89\u88c5\u6b65\u9aa4\uff0c\u786e\u4fdd\u4f60\u80fd\u591f\u8f7b\u677e\u4e0a\u624b\u3002\u9605\u8bfb\u672c\u6587\uff0c\u638c\u63e1\u5fc5\u8981\u7684\u77e5\u8bc6\uff0c\u987a\u5229\u5b89\u88c5 java \u5e76\u5f00\u59cb\u4f60\u7684\u5f00\u53d1\u4e4b\u65c5\u3002 OpenJDK \u4e0e OpenJRE \u7684\u5dee\u5f02 \u5728 Java \u5f00\u53d1\u548c\u8fd0\u884c\u73af\u5883\u4e2d\uff0cOpenJDK \u548c OpenJRE \u662f\u4e24\u4e2a\u5e38\u7528\u7684\u7ec4\u4ef6\uff0c\u5b83\u4eec\u65e2\u6709\u8054\u7cfb\u4e5f\u6709\uff1a OpenJDK \u662f Java \u6807\u51c6\u7248\u7684\u5f00\u6e90\u5b9e\u73b0\uff0c\u5305\u542b\u4e86\u5f00\u53d1\u548c\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5de5\u5177\uff0c\u5305\u62ec Java \u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u548c Java \u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u3002\u8fd9\u662f\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u7684\u5fc5\u9700\u73af\u5883\u3002 \u800c OpenJRE \u5219\u53ea\u5305\u542b\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684 JRE \u73af\u5883\uff0c\u5305\u62ec\u4e86 Java \u865a\u62df\u673a\uff08JVM\uff09\u548c\u6838\u5fc3\u7c7b\u5e93\uff0c\u4e0d\u5305\u62ec JDK \u4e2d\u7684\u5f00\u53d1\u5de5\u5177\u548c\u7f16\u8bd1\u5668\u3002 \u7b80\u5355\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u8981\u5f00\u53d1 Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u5c31\u9700\u8981\u5b89\u88c5 OpenJDK\uff1b\u5982\u679c\u53ea\u662f\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u5b89\u88c5 OpenJRE \u5c31\u53ef\u4ee5\u4e86\u3002 \u9009\u62e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-39470","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=39470"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39470\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}