In summary, if you are trying to figure out where JAVA_HOME is on your Mac OS X system, I hope this has been helpful. You might also be able to find some of these settings in the Mac OS X Control Panel, but I looked just now, and did not see them (though you can see Java's "temporary internet files" from that console). (Optional) To make this the default JDK version, input the following in Terminal: open /.bashprofile Then, add your Terminal input from step 3 to this file: SWITCH TO JAVA VERSION 8 export. If you have XCode installed you can now find the JAVA_HOME directory with this command: I have no way of verifying this any more, but on Mac OS X 10.5, 10.6, and 10.7, I'm pretty sure this is where the JDK JAVA_HOME was located: Although you can still download it from Sourceforge, you cannot use JDK 8. Library/Internet\ Plug-Ins/ugin/Contents/Home/bin/java -version Older Mac OS X systems NOTE: () The Mac version of DrJava has been removed from this documentation. This is confirmed by this Oracle Java/JRE documentation page, which shows that you can demonstrate this by running this command in the Mac Terminal: This article provides links to download the Microsoft Build of OpenJDK. Library/Internet Plug-Ins/ugin/Contents/Home
If you've installed the Oracle JRE (as opposed to the JDK), JAVA_HOME for it appears to be located here instead: Of course that will vary by the JDK version you have installed. Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home/ Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home This has changed over time, but if you're using Mac OS X 10.9 or newer (now macOS), your JDK/SDK JAVA_HOME location for Java 8 will be something like this: Java/Mac FAQ: Where is JAVA_HOME located on Mac OS X (macOS) systems? macOS JDK location
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