Mad*_*u K 2 java macos java-11
我使用的是 macOS Monterey(v 12.0.1)。下面是我的Java版本:
$ java -version
java version "1.8.0_281"
Java(TM) SE Runtime Environment (build 1.8.0_281-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.281-b09, mixed mode)
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首先我不明白"1.8.0_281",这是什么意思java 8?
我想将Java版本更新到11。所以,我已经下载并安装了jdk-11.0.13_osx-x64_bin.dmg,显示安装成功。但现在当我检查时java -version仍然显示java version "1.8.0_281"。如何将我的 java 版本更新到 java 11 ?
小智 9
$ /usr/libexec/java_home -V
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Matching Java Virtual Machines (3):
11.0.11 (x86_64) "Oracle Corporation" - "Java SE 11.0.11" /Library/Java/JavaVirtualMachines/jdk-11.0.11.jdk/Contents/Home
1.8.241.07 (x86_64) "Oracle Corporation" - "Java" /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
1.8.0_241 (x86_64) "Oracle Corporation" - "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_241.jdk/Contents/Home
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export JAVA_HOME=`/usr/libexec/java_home -v 11.0.11`
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vi ~/.zshrc
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在文件中添加/编辑此行并保存。
export JAVA_HOME=$(/usr/libexec/java_home -v 11.0.11)
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$ java -version
java version "11.0.11" 2021-04-20 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.11+9-LTS-194)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.11+9-LTS-194, mixed mode)
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