Next Post Next CodeOne 2018 – Monday (day 1) OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode) OpenJDK Runtime Environment 18.9 (build 11+28) bash_profile) and then running each alias, now I’ve got OpenJDK 11 set up and ready to go! $ j11 bash_profile, I now have: alias j11='export JAVA_HOME='/usr/libexec/java_home -v 11' java -version'Īlias j10='export JAVA_HOME=`/usr/libexec/java_home -v 10` java -version'Īlias j8='export JAVA_HOME=`/usr/libexec/java_home -v 1.8` java -version' Updating my aliases to quickly switch versions in my. Once you’ve moved it there, java_home -V now shows the new JDK in place: $ /usr/libexec/java_home -Vġ1, x86_64: 'OpenJDK 11' /Library/Java/JavaVirtualMachines/jdk-11.jdk/Contents/Home gz file to the same location would make sense. Knowing that your available JDKs are installed to /Library/Java/JavaVirtualMachines/ by default, moving the contents of the downloaded OpenJDK 11 dir from inside the. Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home To switch between JDKs, use /usr/libexec/java_home -v version (e.g. usr/libexec/java_home -V : lists all installed JDKs, e.g.: $ /usr/libexec/java_home -Vġ0, x86_64: 'Java SE 10' /Library/Java/JavaVirtualMachines/jdk-10.jdk/Contents/Homeġ.8.0_151, x86_64: 'Java SE 8' /Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home usr/libexec/java_home : shows you were the current JDK home is, eg: /Library/Java/JavaVirtualMachines/jdk-10.jdk/Contents/Home If you’ve done any fiddling with different JDK versions on MacOS before, you’ve probably come across the ‘/usr/libexec/java_home’ utility (see here for my previous article about this utility, and answers to this StackOverflow post which includes one of the most extensive and useful guides to running different JDK versions on MacOS that I’ve seen) which does a number of useful things relating to which JDK you’re currently using in your PATH:

tar.gz for OpenJDK 11 direct from, there’s no obvious install instructions (at least that I can find) either on the OpenJDK website on in the.

Installing openjdk on mac