Most of us have used nvm for managing multiple versions of nodes. In java based developments, we also find the necessity of same kind of tools. Here comes 'jenv' to facilitates that.

How to install
on Mac,

brew install jenv

check whether installation is successful

jenv --version

Then install multiple version of jdk , e.g. JDK8, JDK11 or JDK17 etc.( if not already installed)

add the jdk installed path to jenv

jenv add {path-to-jdk-folder-to jdk-8}/Contents/Home
jenv add /opt/homebrew/opt/openjdk@17

To list down available jdk versions to switch between

jenv versions

To set a jdk version in the env

jenv global 17 or jenv global 8

or locally within that project

jenv local 17 or jenv local 8

Also, if there are issues.
check

  1. jdk path / installations
  2. ~/.zshrc file, whether .jenv is in the path 
export PATH="$HOME/.jenv/bin:$PATH"
eval "$(jenv init -)"
  1. Also, rehash using jenv rehash