Switching between multiple JDK on macOS

jenv.sh

#!/bin/zsh

#In order to execute the shell file commands:
#sh jenv.sh
#chmod +x jenv.sh
#./jenv.sh

echo " ______ _               _     _             _______        __  __ _             _ "
echo " |  ____| |             | |   (_)           |__   __|      |  \/  (_)           | |"
echo " | |__  | |__  _ __ __ _| |__  _ _ __ ___      | | ___ _ __| \  / |_ _ __   __ _| |"
echo " |  __| | _ \| __/ _ | _ \| | _  _ \     | |/  _ | __ | |\/| |  | _ \ / _| |    | |"
echo " | |____| |_) | | | (_| | | | | | | | | | |    | |  __| |  | |  | | | | | | (_| | |"
echo " |______|_.__/|_|  \__,_|_| |_|_|_| |_| |_|    |_|\___|_|  |_|  |_|_|_| |_|\__,_|_|"

brew install jenv
# .zprofile should be updated instead of .zshrc file in case of working on MacOS M2 Ventura
echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.zshrc
echo 'eval "$(jenv init -)"' >> ~/.zshrc

#These 2 lines should be uncommented when using MacBook pro M2 ventura >>

#echo export 'JAVA_HOME="$HOME/.jenv/versions/`jenv version-name`"' >> ~/.zshrc
#echo 'alias jenv_set_java_home='export JAVA_HOME="$HOME/.jenv/versions/`jenv version-name`"'' >> ~/.zshrc

source ~/.zshrc
/usr/libexec/java_home -V

#jenv add /Library/Java/JavaVirtualMachines/FileName/Contents/Home
search_dir=/Library/Java/JavaVirtualMachines
for entry in "$search_dir"/*/Contents/Home
do
  echo "$entry"
  jenv add "$entry"
done


#Adding Your Java Environment,Add the installed java to jenv:
#EX: jenv add /Library/Java/JavaVirtualMachines/JAVA_FILE_NAME/Contents/Home

#To see all the installed java command will give the list of installed java:: 
##jenv versions

#Configure the java version which you want to use:
#jenv global 1.8.0.291

#--------------------------------------------------------------------------

#References:

#How do I install Java on Mac OSX allowing version switching?
#https://stackoverflow.com/questions/52524112/how-do-i-install-java-on-mac-osx-allowing-version-switching

#How to get the list of files in a directory in a shell script?
#https://stackoverflow.com/questions/2437452/how-to-get-the-list-of-files-in-a-directory-in-a-shell-script

#Jenv Github project:
#https://github.com/jenv/jenv
#https://www.jenv.be/

#Useful Links:

#change java version in macOS BigSur:
#https://stackoverflow.com/questions/64062444/change-java-version-in-macos-bigsur

#How to set or change the default Java (JDK) version on macOS?
#https://stackoverflow.com/questions/21964709/how-to-set-or-change-the-default-java-jdk-version-on-macos
#https://stackoverflow.com/questions/21964709/how-to-set-or-change-the-default-java-jdk-version-on-macos/24657630#24657630
#https://stackoverflow.com/questions/21964709/how-to-set-or-change-the-default-java-jdk-version-on-macos/44169445#44169445

#java version update to 11 still shows 8 [duplicate]
#https://stackoverflow.com/questions/70313852/java-version-update-to-11-still-shows-8

#Mac OS X and multiple Java versions:
#https://stackoverflow.com/questions/26252591/mac-os-x-and-multiple-java-versions

#Unable to create Z shell alias to "activate" Java 8 (OpenJDK) on macOS
#https://stackoverflow.com/questions/70557354/unable-to-create-z-shell-alias-to-activate-java-8-openjdk-on-macos

#How to switch between Java LTS versions 8, 11 and 17 on Mac:
#https://www.lotharschulz.info/2021/11/30/how-to-switch-between-java-lts-versions-8-11-and-17-on-mac/

#Switching Java (JDK) Versions on MacOS:
#https://medium.com/@devkosal/switching-java-jdk-versions-on-macos-80bc868e686a

#Installing & switching between multiple JDK on macOS:
#https://medium.com/@manvendrapsingh/installing-many-jdk-versions-on-macos-dfc177bc8c2b

#Github Scripts:

#https://gist.github.com/trmaphi/3bc5b5a397a9491a61787143b098da85

#https://github.com/JoniVR/JavaVersionSwitcher

#https://gist.github.com/turesheim/9486922d13324576104ee083a1775785

#https://gist.github.com/kenglxn/1843d552dff4d4233271

#Jenv not setting JAVA_HOME #44
https://github.com/jenv/jenv/issues/44

#Getting a warning when installing homebrew on MacOS Big Sur (M1 chip) [closed]
https://stackoverflow.com/questions/65487249/getting-a-warning-when-installing-homebrew-on-macos-big-sur-m1-chip

#How to install an homebrew package behind a proxy?
https://apple.stackexchange.com/questions/228865/how-to-install-an-homebrew-package-behind-a-proxy