Java Versioning and Installation

macOS

Look for version

>> brew search java

Install

>> brew tap adoptopenjdk/openjdk>> brew install --cask adoptopenjdk8
>> brew install --cask adoptopenjdk11
>> apt install default-jre
>> apt install openjdk-8-jre-headless
>> apt install openjdk-11-jre-headless
>> java -version
>> /usr/libexec/java_home -V

Let’s start

Java Environment (jenv)

>> brew install jenv

We’re all set, Let’s do some experimenting

>> java -version
>> jenv add /Library/Java/JavaVirtualMachines/jdk1.8.0_221.jdk/Contents/Home
>> jenv versions
>> jenv local 1.8
>> jenv global 1.8
>> jenv commands

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