Hope you found this useful and please leave me a feedback so I can hear what you think. In this post, you have learned how to change Java version on macOS. Try now setting your default Java to one of the different Java versions you currently have installed. If you're doing it in a terminal session, reload it with the source ~/.bashrc. Now with these functions in place you can set the desired versions of Java as active. # set and change java versionsĮcho 'rcherara - old java version'Įxport JAVA_HOME=`/usr/libexec/java_home -v PATH=$JAVA_HOME/bin:$PATHĮcho 'rcherara - new java version' Type java -version again to see the default Java version changed! Option 2 :Īdd the function java-change to the file ~/.bashrc. I especially noticed this after I installed the JDK 8 early access preview which makes some of the tips that you find on various blogs online useless. Save the file (for VIM, it is x! in a Command mode) and start a new Terminal window. Apple decided to remove the Java Preferences application in a software update and afterwards in has been difficult to change the JDK version on Mac OS X. Replace the version_of_your_java with the JDK version you want to set. For example, with VI or VIM, you will type vi ~/.bash_profile Now, open ~/.bash_profile with a text editor. You will see all installed versions of Java in your Mac OS X or use : $ ls -al /Library/Java/JavaVirtualMachines java_home -V which will output something like the following:‌ In this post, I want to share my setup to switch the active JDK version Option 1: Type java -version and Enter to check which version of Java you have as a default You can reliably get your current Java version when you run the command: OS X has had a very useful utility, since 2003, that allows you to easily generate a path to a JDK.The simplest usage of the tool will return the default JDK. If you have a good recipe on how you switch Java versions on the command line on Windows, please share with the community in the comments. I'm using a Mac, this post will work on a Mac and, perhaps, on some Linux machines. You installed a Java Development Kit (JDK) in your Mac OS X, but what do you do you if your currently installed JDK version is not compatible?‌‌However, you probably won't migrate all your projects to it yet and will want to maintain several versions of the JDK on your machine, switching Java versions when needed.

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