$ brew install jenv

$ echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.bashrc
$ echo 'eval "$(jenv init -)"' >> ~/.bashrc

$ brew cask install zulu7

$ /usr/libexec/java_home -V
Matching Java Virtual Machines (3):
    14.0.1, x86_64:	"OpenJDK 14.0.1"	/Library/Java/JavaVirtualMachines/openjdk-14.0.1.jdk/Contents/Home
    1.8.0_241, x86_64:	"Java SE 8"	/Library/Java/JavaVirtualMachines/jdk1.8.0_241.jdk/Contents/Home
    1.7.0_262, x86_64:	"Zulu 7.38.0.11"	/Library/Java/JavaVirtualMachines/zulu-7.jdk/Contents/Home

$ jenv add /Library/Java/JavaVirtualMachines/zulu-7.jdk/Contents/Home

$ cd /Users/tofu/Projects/BotHack/javabots/JavaBot/
$ jenv local 1.7

$ jenv versions
  system
* 1.7 (set by /Users/tofu/Projects/BotHack/javabots/JavaBot/.java-version)
  1.7.0.262
  zulu64-1.7.0.262

$ java -version
openjdk version "1.7.0_262"
OpenJDK Runtime Environment (Zulu 7.38.0.11-CA-macosx) (build 1.7.0_262-b10)
OpenJDK 64-Bit Server VM (Zulu 7.38.0.11-CA-macosx) (build 24.262-b10, mixed mode)

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