Java Version For Mac

How can I install an additional java on MacOS? I installed jdk8 and that works fine. But now I need a jdk7 installation for development purposes. When trying to install the old version via DMG file, i get a warning, that there is already a newer version of java installed and the installer quits. /usr/libexec/java_home -verbose Matching Java Virtual Machines (1): 1.8.0_20, x86_64: 'Java SE 8' /Library/Java/JavaVirtualMachines/jdk1.8.0_20.jdk/Contents/Home /Library/Java/JavaVirtualMachines/jdk1.8.0_20.jdk/Contents/Home How to install jdk7 in addition to this one? Thanks Dakky. The cleanest way to manage multiple java versions on Mac is to use.

And within Homebrew, use: • homebrew-cask to install the versions of java • jenv to manage the installed versions of java As seen on, these are the steps to follow. • install homebrew • install homebrew jenv • install homebrew-cask • install a specific java version using cask (see 'homebrew-cask versions' paragraph below) • add this version for jenv to manage it • check the version is correctly managed by jenv • repeat steps 4 to 6 for each version of java you need homebrew-cask versions Add the tap to homebrew using: brew tap homebrew/cask-versions Then you can look at all the versions available: brew search java Then you can install the version(s) you like: brew cask install java7 brew cask install java6 And add them to be managed by jenv as usual.

Switching Java versions on a Mac (setting JAVA_HOME and using Java 6 Revisited) Posted on July 12, 2009 by Rich Switching Java versions from say, Java 5 to Java 6 or back is (probably) not intuitive for the new Mac user. Mar 23, 2016 - If an app or webpage you want to use asks you to install Java software, you can download the current version of Java for OS X directly from Oracle's website. Zombie fps games for mac. Note: You can also download legacy Java SE 6 from Apple if you're using an app that specifically requires this unsupported, out-of-date version.

Jenv add I think this is the cleanest & simplest way to go about it. Uninstall jdk8, install jdk7, then reinstall jdk8. My approach to switching between them (in.profile): export JAVA_7_HOME=$(/usr/libexec/java_home -v1.7) export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8) export JAVA_9_HOME=$(/usr/libexec/java_home -v9) alias java7='export JAVA_HOME=$JAVA_7_HOME' alias java8='export JAVA_HOME=$JAVA_8_HOME' alias java9='export JAVA_HOME=$JAVA_9_HOME' #default java8 export JAVA_HOME=$JAVA_8_HOME Then you can simply type java7 or java8 in a terminal to switch versions. (edit: updated to add Dylans improvement for Java 9). For macOS Sierra 420 This guide was cobbled together from various sources (replies above as well as other posts), and works perfect. If you haven't already, install homebrew.

Mac

Install jenv brew install jenv 2. Add jenv to the bash profile if which jenv > /dev/null; then eval '$(jenv init -)'; fi 3. Add jenv to your path export PATH='$HOME/.jenv/shims:$PATH' 4. Tap 'caskroom/versions' FYI: 'Tap' extends brew's list of available repos it can install, above and beyond brew's default list of available repos.

Brew tap caskroom/versions 5. Install the latest version of java brew cask install java 6.

Install java 6 (or 7 or 8 whatever you need) brew cask install java6 #brew cask install java7 #brew cask install java8? Maybe close and restart Terminal so it sees any new ENV vars that got setup. Review Installations All Java version get installed here: /Library/Java/JavaVirtualMachines lets take a look. Ls -la /Library/Java/JavaVirtualMachines 8.

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