苹果系统macos自由切换java version
苹果系统macos自由切换java version如何查看macos上已安装的java版本
/usr/libexec/java_home -Voutput
Matching Java Virtual Machines (2):
15, x86_64: "Java SE 15" /Library/Java/JavaVirtualMachines/jdk-15.jdk/Contents/Home
1.8.0_261, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_261.jdk/Contents/Home
/Library/Java/JavaVirtualMachines/jdk-15.jdk/Contents/Home
按你有的版本添加.
**** Hidden Message *****切换java 8运行
$ j8
java version "1.8.0_102"
Java(TM) SE Runtime Environment (build 1.8.0_102-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.102-b14, mixed mode)enjoy!
M1 macos brew安装java11
brew install openjdk@11如果报错:
You should change the ownership of these directories to your user.
sudo chown -R $(whoami) /usr/local/share/man/man8
And make sure that your user has write permission.
chmod u+w /usr/local/share/man/man8
按照提示输入两个命令修改,其中$(whoami)改成自己的用户名再输入命令:
sudo ln -sfn /usr/local/opt/openjdk@11/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk-11.jdk
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