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Mac JDK版本切换.md

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Mac JDK 管理

https://stackoverflow.com/questions/21964709/how-to-set-or-change-the-default-java-jdk-version-on-os-x https://adoptopenjdk.net/

查看版本列表

/usr/libexec/java_home -V
Matching Java Virtual Machines (2):
    14.0.2, x86_64:	"AdoptOpenJDK 14"	/Library/Java/JavaVirtualMachines/adoptopenjdk-14.jdk/Contents/Home
    1.8.0_265, x86_64:	"AdoptOpenJDK 8"	/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home

/Library/Java/JavaVirtualMachines/adoptopenjdk-14.jdk/Contents/Home

设置版本

# 设置为jdk8
export JAVA_HOME=`/usr/libexec/java_home -v 1.8`

# 设置为jdk14
export JAVA_HOME=`/usr/libexec/java_home -v 14.0`

修改环境变量

vim ~/.zshrc
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)

source ~/.zshrc
echo $JAVA_HOME
java -version