OpenJDK 64-Bit Server VM (AdoptOpenJDK )(build 25.252-b09, mixed mode ) OpenJDK Runtime Environment (AdoptOpenJDK )(build 1.8.0_252-b09 ) Now, run java -version and you should see the following output: Now to add Java 8 as your overall global java version, run the following command: To confirm that the version is now available on jenv, run the following command jenv versions, you should see the following output: $ jenv add /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home If the above is correct, we'll go ahead and run the following command to add the location of this version to jenv If we cd into /Library/Java/JavaVirtualMachines we should see the following: Let's ensure that we know the location where the jdk package was installed, for MacOS Catalina, that should be under the following directory /Library/Java/JavaVirtualMachines Once the installation completes, we'll then follow up with jenv to add this version into our list of available version to be able to toggle between versions. Now that we have the AdoptOpenJDK, let's run the following command to install Java 8 (jdk 1.8.x ) If you need some info on the differences between each type, check out biggest difference in OpenJDK,JDK requires a commercial license.&text=Since January 2019%2C businesses now,order to receive software updates. Note that the following steps will be only to install the AdoptOpenJDK and not the Oracle JDK. Note that to install oracle-jdk, check out the instructions listed here. Before we go and download the version that we need, ensure that you run the following command to add the brew repo to your machine ( ). Now let's go ahead and download a brew cask for the jdk version that we are after. zshrc now that we have added a new command shortcut.

Note: It's important that now you restart your bash terminal or run. $ echo 'eval '$(jenv init -)'' > ~/.zshrc $ echo 'export PATH='$HOME/.jenv/bin:$PATH'' > ~/.zshrc $ echo 'eval '$(jenv init -)'' > ~/.bash_profile $ echo 'export PATH='$HOME/.jenv/bin:$PATH'' > ~/.bash_profile Next, ensure that jenv is listed as a command on your shell, if you are using bash, then run run brew upgrade)įirst, we need to install JEnv using homebrew, run the following command: The goal of this post is to show that we could do just that with Java, install a package to allow us to toggle between Java versions and set our JAVA_HOME path automatically for us just by running a few simple commands.īefore we start, ensure that you have homebrew installed and that you have updated all dependencies (ie. For those that come from NodeJS, installing a new version of Node is as easy as installing nvm and running nvm install and calling it a day. I think its fair to say that going through the process of installing Java on any machine is in of itself a bit confusing.

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