If you close or terminate the shell, next time you open the shell you will need to set it again. The change above will only active in the current running shell. Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode) Java(TM) SE Runtime Environment (build 1.8.0_121-b13) If the major version of the available JDK is unique you can just use the major version, like: export JAVA_HOME=`/usr/libexec/java_home -v 1.8`Īfter setting the JAVA_HOME and you run the java -version command you will see that JDK 1.8 is the new default JDK in your computer. For example I will choose the 1.8.0_121 version to be my default JDK. Matching Java Virtual Machines (3):ĩ, x86_64: 'Java SE 9' /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Homeġ.8.0_121, x86_64: 'Java SE 8' /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Homeġ.7.0_80, x86_64: 'Java SE 7' /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Homeįrom the list above pick which version you want to be the default JDK. On my machine I have the following version of Java. The command will print out something like the following depending on the available JDK in your computer. First you need to run /usr/libexec/java_home -V command to get the list of installed JDK. In this post you will learn how to set the default JAVA_HOME in OS X when you have more than one JDK installed in your computer.