\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300a\u5728 Linux \u4e0a\u5b89\u88c5\u548c\u7ba1\u7406 Java JDK \u7684\u9996\u9009\u65b9\u5f0f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n
![\"\u5728](\"https:\/\/www.17golang.com\/uploads\/20241030\/17302612026721b0d2a9624.jpg\" "\\"\u5728")
<\/p>\n
\u6211\u4f7f\u7528\u7684\u662f fedora workstation 40\uff0c\u4f46\u7c7b\u4f3c\u7684\u6b65\u9aa4\u9002\u7528\u4e8e\u5927\u591a\u6570\u4e3b\u8981 linux \u53d1\u884c\u7248\uff0c\u5982 ubuntu\/mint \u7b49<\/p>\n
\u68c0\u67e5\u73b0\u6709\u7684 java \u5b89\u88c5 <\/h2>\n
\u5728\u4e00\u4e9b linux \u53d1\u884c\u7248\u4e0a\uff0cjava \u662f\u9ed8\u8ba4\u5b89\u88c5\u7684\uff1b\u7136\u800c\u5b83\u53ea\u662fjre\uff0c\u800c\u4e0d\u662fjdk<\/strong>\u3002\u60a8\u53ef\u4ee5\u9a8c\u8bc1\u8fd9\u4e00\u70b9\uff0c\u56e0\u4e3a\u627e\u5230\u4e86 java \u547d\u4ee4\uff0c\u4f46\u672a\u627e\u5230 javac \u547d\u4ee4\u3002<\/p>\n \u53c2\u8003\u4ee5\u4e0b\u6587\u7ae0\u4e86\u89e3 jdk\u3001jre \u548c jvm \u4e4b\u95f4\u7684\u533a\u522b\uff1a<\/p>\n \u5728 fedora \u4e2d\uff0cjre\/jdk \u5b58\u50a8\u5728 \/usr\/lib\/jvm \u4e2d\u3002\u6240\u4ee5\u4f60\u53ef\u4ee5\u67e5\u770b\u5b83\u7684\u5185\u5bb9\u6216\u67e5\u8be2\u5b83\u4eec\uff1a<\/p>\n \u6211\u4f7f\u7528\u7684\u662f fedora 40\uff0c\u5176\u4e2d\u5305\u7ba1\u7406\u5668\u662f dnf\u3002\u60a8\u5c06\u901a\u8fc7\u5404\u81ea\u7684 linux \u53d1\u884c\u7248\u7684\u5305\u7ba1\u7406\u5668\uff08\u4f8b\u5982 ubuntu\/debian \u7684 apt\uff09\u5b89\u88c5\u6240\u9700\u7684 openjdk\uff1a<\/p>\n \u60a8\u5c06\u83b7\u5f97\u53ef\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u5404\u79cd java \u7248\u672c\u4ee5\u53ca\u8f6f\u4ef6\u5305\u4e2d\u7684\u53d8\u4f53\u540e\u7f00\u3002\u65e0\u5934\u53d8\u4f53\u901a\u5e38\u53ea\u5305\u542b jre<\/strong>\u3002\u8981\u5b89\u88c5\u5b8c\u6574\u7684 jdk \u4ee5\u53ca java \u5f00\u53d1\u6240\u9700\u7684\u6240\u6709\u5de5\u5177\uff0c\u6211\u4eec\u9700\u8981\u5305\u7684\u5f00\u53d1\u53d8\u4f53\uff0c\u901a\u5e38\u5728 dnf \u540d\u79f0\u4e2d\u5305\u542b -devel \u672f\u8bed\u540e\u7f00\u3002\u4ee5\u4e0b\u662f dnf \u8f93\u51fa\u4e2d java 17 openjdk \u7684\u51e0\u4e2a\u5305\u53d8\u4f53\u540d\u79f0\u7684\u5217\u8868\uff1a<\/p>\n \u5728 ubuntu \u4e0a\uff0c\u8f6f\u4ef6\u5305\u8f83\u5c11\uff0c\u60a8\u8981\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u901a\u5e38\u547d\u540d\u4e3a openjdk-17-jdk\uff0c\u7528\u4e8e\u6574\u4e2a jdk \u5de5\u5177\u96c6<\/p>\n \u8bbf\u95ee\u5b98\u65b9 oracle se \u4e0b\u8f7d\u9875\u9762\u3002\u627e\u5230\u60a8\u6240\u9700\u7684 java \u7248\u672c\u7684\u4e0b\u8f7d\u90e8\u5206<\/p>\n<\/li>\n \u4e0b\u8f7d\u9002\u5408\u60a8\u5e73\u53f0\u7684\u8f6f\u4ef6\u5305\u3002\u5bf9\u4e8e\u57fa\u4e8e redhat \u7684 linux \u53d1\u884c\u7248\uff08\u4f8b\u5982 fedora\uff09\uff0c\u8bf7\u4e0b\u8f7d .rpm \u8f6f\u4ef6\u5305\uff08\u5bf9\u4e8e ubuntu\/debian\uff0c\u5219\u4e0b\u8f7d .deb\uff09\u3002\u4e0b\u8f7d\u4e4b\u524d\uff0c\u60a8\u5fc5\u987b\u767b\u5f55 oracle \u5e76\u540c\u610f\u6761\u6b3e<\/p>\n<\/li>\n \u53cc\u51fb\u4e0b\u8f7d\u7684\u6587\u4ef6\uff08\u5982 jdk-11.0.24_linux-x64_bin.rpm\uff09\u5e76\u9009\u62e9\u5b89\u88c5\u3002\u5b83\u5c06\u5b89\u88c5\u5e76\u914d\u7f6e oracle jdk\u3002<\/p>\n<\/li>\n \u73b0\u5728 oraclejdk \u5df2\u5b89\u88c5\uff0c\u9a8c\u8bc1\u68c0\u6d4b\u5230\u7684 java \u548c javac \u547d\u4ee4<\/p>\n<\/li>\n<\/ul>\n \u60a8\u8fd8\u53ef\u4ee5\u4ece intellij \u672c\u8eab\u5b89\u88c5 jdk\uff1a<\/p>\n intellij \u81ea\u52a8\u68c0\u6d4b\u7cfb\u7edf\u4e0a\u53ef\u7528\u7684 jdk \u4f4d\u7f6e\u3002\u60a8\u8fd8\u53ef\u4ee5\u5728\u9879\u76ee\u7ed3\u6784\u4e2d\u914d\u7f6e\u7684 jdk \u4e0b\u6dfb\u52a0\u73b0\u6709\u7684 jdk \u6587\u4ef6\u5939\u4f4d\u7f6e\uff0c\u4f8b\u5982 \/usr\/lib\/jvm\/jdk-11-oracle-x64<\/p>\n linux \u4e2d\u7684 update-alternatives \u547d\u4ee4\uff08\u5728 fedora \u4e2d\u4e5f\u79f0\u4e3a\u66ff\u4ee3\u54c1\uff09\u521b\u5efa\u3001\u5220\u9664\u3001\u7ef4\u62a4\u548c\u663e\u793a<\/strong>\u6709\u5173\u6784\u6210\u66ff\u4ee3\u54c1\u7cfb\u7edf\u7684\u7b26\u53f7\u94fe\u63a5<\/strong>\u7684\u4fe1\u606f\u3002<\/p>\n \u5355\u4e2a\u7cfb\u7edf\u4e0a\u53ef\u4ee5\u540c\u65f6\u5b89\u88c5\u591a\u4e2a\u5b9e\u73b0\u76f8\u540c\u6216\u76f8\u4f3c\u529f\u80fd\u7684\u7a0b\u5e8f\u3002\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u901a\u7528\u540d\u79f0\u7531\u63d0\u4f9b\u53ef\u4e92\u6362\u529f\u80fd\u7684\u6240\u6709\u6587\u4ef6\u5171\u4eab\u3002\u66ff\u4ee3\u7cfb\u7edf\u6709\u52a9\u4e8e\u786e\u5b9a\u8be5\u901a\u7528\u540d\u79f0\u5f15\u7528\u4e86\u54ea\u4e2a\u5b9e\u9645\u6587\u4ef6\u3002<\/p>\n \u6709\u7528\u7684\u53c2\u8003\uff1a<\/p>\n \u5f53\u60a8\u901a\u8fc7\u5305\u7ba1\u7406\u5668\u5b89\u88c5 openjdk \u6216\u4ece\u4e0b\u8f7d\u7684\u6587\u4ef6\u4e2d\u5b89\u88c5 oracle-jdk \u65f6\uff0c\u66ff\u4ee3\u65b9\u6848\u5e94\u5728\u6b64\u8fc7\u7a0b\u4e2d\u81ea\u52a8\u66f4\u65b0<\/p>\n<\/blockquote>\n \u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n \u540c\u6837\uff0c\u8bf7\u53c2\u9605 javac \u7684\u66ff\u4ee3\u9009\u9879\u5217\u8868<\/p>\n \u5982\u679c\u60a8\u7684\u547d\u4ee4\u7684\u4efb\u4f55\u66ff\u4ee3\u9879\u672a\u5728\u5217\u8868\u4e2d\u6ce8\u518c\uff0c\u60a8\u53ef\u4ee5\u624b\u52a8\u5c06\u5176\u6dfb\u52a0\u4e3a\uff1a<\/p>\n \u4f8b\u5982\uff0c\u6211\u4ece intellij \u4e2d\u4e0b\u8f7d\u4e86 jetbrains runtime (jcef) jdk\uff0c\u4e0b\u8f7d\u4f4d\u7f6e\u4e3a ~\/.jdks\/jbrsdk_jcef-17.0.12\/ \u6587\u4ef6\u5939\uff1b\u4f46\u5b83\u6ca1\u6709\u51fa\u73b0\u5728\u66ff\u4ee3\u54c1\u5217\u8868\u4e2d\u3002\u56e0\u6b64\uff0c\u6211\u5c06\u6dfb\u52a0 java \u548c javac \u7684\u66ff\u4ee3\u6761\u76ee\uff1a<\/p>\n \u540c\u6837\uff0c\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u547d\u4ee4\u7684\u66ff\u4ee3\u9879\uff0c\u4f8b\u5982 jar\u3001javadoc \u7b49<\/p>\n \u60a8\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u5173\u6ce8\u8005\u94fe\u63a5\uff1a<\/p>\n –\u5b89\u88c5\u94fe\u63a5\u540d\u79f0\u8def\u5f84\u4f18\u5148\u7ea7 [–follower \u94fe\u63a5\u540d\u79f0\u8def\u5f84]… [–initscript \u670d\u52a1] [–\u7cfb\u5217\u540d\u79f0]<\/p>\n \u5728\u73b0\u6709\u7684 java \u5b89\u88c5\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9<\/p>\n \u8f93\u51fa\u5982\u4e0b\u6240\u793a\u3002\u8bf7\u6ce8\u610f\uff0c* \u8868\u793a\u6700\u4f73\u53ef\u7528\u7248\u672c\uff0c+ \u8868\u793a\u60a8\u5f53\u524d\u7684\u9009\u62e9\uff1a<\/p>\n \u7c7b\u4f3c\u5730\uff0c\u5728 javac \u7684\u66ff\u4ee3\u9009\u9879\u4e2d\u8fdb\u884c\u9009\u62e9<\/p>\n \u5f53\u60a8\u5378\u8f7d\/\u5220\u9664 jdk \u8f6f\u4ef6\u5305\u65f6\uff0c\u8bf7\u8bb0\u4f4f\u4e5f\u5220\u9664\u76f8\u5e94\u7684\u66ff\u4ee3\u6761\u76ee<\/p>\n<\/blockquote>\n \u4f8b\u5982\uff0c\u8981\u5220\u9664 jcef jdk \u7684 java \u547d\u4ee4\u66ff\u4ee3\u6761\u76ee\uff1a<\/p>\n \u5982\u679c\u60a8\u6309\u7167 update-alternatives \u65b9\u6cd5\u5728 java \u5b89\u88c5\u4e4b\u95f4\u8fdb\u884c\u7ba1\u7406\u5e76\u4e14\u6240\u6709\u6761\u76ee\u5747\u5df2\u5b8c\u6210\uff0c\u5219\u65e0\u9700\u6267\u884c\u6b64\u64cd\u4f5c<\/p>\n<\/blockquote>\n \u4f46\u662f\uff0c\u8981\u5728 shell \u914d\u7f6e\u6587\u4ef6\u4e2d\u624b\u52a8\u8bbe\u7f6e\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n \u4eca\u5929\u5173\u4e8e\u300a\u5728 Linux \u4e0a\u5b89\u88c5\u548c\u7ba1\u7406 Java JDK \u7684\u9996\u9009\u65b9\u5f0f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":" \u5728 Linux \u4e0a\u5b89\u88c5\u548c\u7ba1\u7406 Java JDK \u7684\u9996\u9009\u65b9\u5f0f \u6536\u85cf \u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300a\u5728 Linux \u4e0a\u5b89\u88c5\u548c\u7ba1\u7406 Java JDK \u7684\u9996\u9009\u65b9\u5f0f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002 \u6211\u4f7f\u7528\u7684\u662f fedora workstation 40\uff0c\u4f46\u7c7b\u4f3c\u7684\u6b65\u9aa4\u9002\u7528\u4e8e\u5927\u591a\u6570\u4e3b\u8981 linux \u53d1\u884c\u7248\uff0c\u5982 ubuntu\/mint \u7b49 \u68c0\u67e5\u73b0\u6709\u7684 java \u5b89\u88c5 \u5728\u4e00\u4e9b linux \u53d1\u884c\u7248\u4e0a\uff0cjava \u662f\u9ed8\u8ba4\u5b89\u88c5\u7684\uff1b\u7136\u800c\u5b83\u53ea\u662fjre\uff0c\u800c\u4e0d\u662fjdk\u3002\u60a8\u53ef\u4ee5\u9a8c\u8bc1\u8fd9\u4e00\u70b9\uff0c\u56e0\u4e3a\u627e\u5230\u4e86 java \u547d\u4ee4\uff0c\u4f46\u672a\u627e\u5230 javac \u547d\u4ee4\u3002 java # would show manual of arguments javac # would give not found error if jdk not installed java –version # or “java […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47791","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47791","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=47791"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47791\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}java # would show manual of arguments\njavac # would give not found error if jdk not installed\n<\/pre>\n
java --version # or \"java -version\" for older java\njavac --version\n<\/pre>\n
\n
find \/usr\/lib\/jvm -name java\nfind \/usr\/lib\/jvm -name javac\n<\/pre>\n
\n \u5b89\u88c5 openjdk <\/h2>\n
\n
dnf search jdk\n<\/pre>\n
java-17-openjdk.x86_64 : openjdk 17 runtime environment\n java-17-openjdk-devel.x86_64 : openjdk 17 development environment\n java-17-openjdk-devel-fastdebug.x86_64 : openjdk 17 development environment optimised with full debugging on\n java-17-openjdk-devel-slowdebug.x86_64 : openjdk 17 development environment unoptimised with full debugging on\n java-17-openjdk-fastdebug.x86_64 : openjdk 17 runtime environment optimised with full debugging on\n java-17-openjdk-headless.x86_64 : openjdk 17 headless runtime environment\n java-17-openjdk-headless-fastdebug.x86_64 : openjdk 17 runtime environment optimised with full debugging on\n java-17-openjdk-headless-slowdebug.x86_64 : openjdk 17 runtime environment unoptimised with full debugging on\n java-17-openjdk-javadoc.x86_64 : openjdk 17 api documentation\n java-17-openjdk-portable.x86_64 : openjdk 17 runtime environment portable edition\n java-17-openjdk-portable-devel.x86_64 : openjdk 17 development environment portable edition\n java-17-openjdk-portable-sources.x86_64 : openjdk 17 full patched sources of portable jdk\n java-17-openjdk-slowdebug.x86_64 : openjdk 17 runtime environment unoptimised with full debugging on\n java-17-openjdk-src.x86_64 : openjdk 17 source bundle\n java-17-openjdk-src-fastdebug.x86_64 : openjdk 17 source bundle for packages with debugging on and optimisation\n java-17-openjdk-src-slowdebug.x86_64 : openjdk 17 source bundle for packages with debugging on and no optimisation\n<\/pre>\n
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# installing the latest openjdk with optimized debugging\n sudo dnf install java-latest-openjdk-devel-fastdebug\n\n # installing a specific version like openjdk 17\n sudo dnf install java-17-openjdk-devel\n<\/pre>\n
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\u5b89\u88c5 oracle jdk <\/h2>\n
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\u901a\u8fc7 intellij \u5b89\u88c5 jdk <\/h2>\n
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\n \u4f7f\u7528\u591a\u4e2a java \u5b89\u88c5 <\/h2>\n
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\u67e5\u770b\u547d\u4ee4\u7684\u53ef\u7528\u9009\u9879 <\/h3>\n
update-alternatives --display java\n<\/pre>\n
java - status is manual.\n link currently points to \/usr\/lib\/jvm\/java-21-openjdk-21.0.4.0.7-2.fc40.x86_64\/bin\/java\n\/usr\/lib\/jvm\/java-21-openjdk-21.0.4.0.7-2.fc40.x86_64\/bin\/java - family java-21-openjdk.x86_64 priority 21000407\n ... follower links ...\n\/usr\/lib\/jvm\/jdk-11.0.24-oracle-x64\/bin\/java - priority 184745984\n ... follower links ...\n\/usr\/lib\/jvm\/java-22-openjdk-22.0.2.0.9-1.rolling.fc40.x86_64-fastdebug\/bin\/java - family java-latest-openjdk.x86_64 priority 1\n ... follower links ...\ncurrent `best' version is \/usr\/lib\/jvm\/jdk-11.0.24-oracle-x64\/bin\/java.\n<\/pre>\n
\u4e3a\u547d\u4ee4\u6dfb\u52a0\u66ff\u4ee3\u6761\u76ee <\/h3>\n
sudo update-alternatives --install <link> <name> <path> <priority>\n<\/pre>\n
sudo update-alternatives --install \/usr\/bin\/java java ~\/.jdks\/jbrsdk_jcef-17.0.12\/bin\/java 138\nsudo update-alternatives --install \/usr\/bin\/javac javac ~\/.jdks\/jbrsdk_jcef-17.0.12\/bin\/javac 138\n<\/pre>\n
\u5728\u547d\u4ee4\u7684\u53ef\u7528\u66ff\u4ee3\u65b9\u6848\u4e4b\u95f4\u5207\u6362 <\/h3>\n
sudo update-alternatives --config java\n<\/pre>\n
there are 4 programs which provide 'java'.\n\n selection command\n-----------------------------------------------\n + 1 java-latest-openjdk.x86_64 (\/usr\/lib\/jvm\/java-23-openjdk-23.0.0.0.37-1.rolling.fc40.x86_64-fastdebug\/bin\/java)\n* 2 \/usr\/lib\/jvm\/jdk-11.0.24-oracle-x64\/bin\/java\n 3 java-21-openjdk.x86_64 (\/usr\/lib\/jvm\/java-21-openjdk-21.0.5.0.11-1.fc40.x86_64\/bin\/java)\n 4 \/home\/kumar\/.jdks\/jbrsdk_jcef-17.0.12\/bin\/java\n\nenter to keep the current selection[+], or type selection number:\n<\/pre>\n
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\u5220\u9664\u66ff\u4ee3\u6761\u76ee <\/h3>\n
sudo update-alternatives --remove java ~\/.jdks\/jbrsdk_jcef-17.0.12\/bin\/java\n<\/pre>\n
\n \u5c06 java \u6dfb\u52a0\u5230\u8def\u5f84 <\/h2>\n
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# set \"java_home\" environment variable to the jdk folder path\n export java_home=\/usr\/lib\/jvm\/jdk-11-oracle-x64\n # add the binaries within java_home like 'java', 'javac' to path\n export path=$path:$java_home\/bin\n<\/pre>\n
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exec $(which $shell)\n<\/pre>\n
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[kumar@lenovo-s340 ~]$ java --version\n java 11.0.22 2024-01-16 LTS\n Java(TM) SE Runtime Environment 18.9 (build 11.0.22+9-LTS-219)\n Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.22+9-LTS-219, mixed mode)\n [kumar@lenovo-s340 ~]$ javac --version\n javac 11.0.22\n<\/pre>\n