[java] How to set JAVA_HOME in Mac permanently?

If you are using the latest versions of macOS, then you cannot use ~/.bash_profile to export your environment variable since the bash shell is deprecated in the latest version of macOS.

  • Run /usr/libexec/java_home in your terminal and you will get things like /Library/Java/JavaVirtualMachines/jdk1.8.0_261.jdk/Contents/Home
  • Add export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_261.jdk/Contents/Home to .zshrc

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