JEnv doesn’t install JDKs, so we have to tell jEnv where to look for them. Init jenv if which jenv > /dev/null then eval "$(jenv init -)" fi Now it is time to install jEnv: brew install jenvĪdd the following lines to ~/.bash_profile This will initialize jEnv. To install JDK 9 (latest) brew cask install java Install Java 6, 7, 8, 9 (latest): brew tap caskroom/versions To check JDK 9 (latest) brew cask info java If your brew or cask is outdated, update and upgrade: brew update & brew upgrade brew-cask-completion & brew cleanup & brew cask cleanupĬheck if we already have JDK 6, 7, 8, 9 installed by Homebrew Cask: brew tap caskroom/versions Install Homebrew Cask first if you haven’t: brew update I’m going to use Cask to install Java 7 and 8.
On Mac, Homebrew is the de-facto package manager, and Homebrew Cask is the app manager. Locking the topic prevents other contributors from being able to react to a point already made or to provide a different perspective that none of the existing contributors have possibly considered.Install Multiple Java Versions on macOS High Sierra Install Homebrew Cask I'd like to propose to leave this discussion open in good faith that potential participants be respectful and contribute prudently. I know this is not the homebrew way, but I've had that happen and then wanted to clean up. I would like to mention that since brew cask upgrade does not effectively remove all versions of old casks left over from before brew cask upgrade was introduced, this is still a relevant topic for people who come from using brew cask since prior to this relatively recent feature becoming available.Īlso, it may be necessary in special cases where you installed a new version of an application manually (outside brew cask) over a previously installed cask and then want to manually remove the older installed cask, since you didn't use brew cask upgrade and you also don't want to run brew cask uninstall because it will remove your installed application. I fully appreciate your suggestion to continue further discussion pertaining to the maintenance script made available by and at the appropriate forum.
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