How to Uninstall OpenJDK on Mac OS X

If you're running multiple JDKs on your Mac and want to uninstall one of them, this post will guide you through the process. Before we dive in, it's essential to note that Java is not pre-installed on macOS 10.7 and later versions.

Step 1: Determine the Current JDK Version

To begin with, you need to determine which JDK version is currently installed on your system. To do this, run the command `/usr/libexec/javahome -V` in Terminal. This will print out a list of installed JDKs, including the current version.

Step 2: Uninstall the JDK

To uninstall the JDK, you'll need to remove it manually using the following commands:

* `sudo rm -fr /Library/Internet Plug-Ins/ugin`

* `sudo rm -fr /Library/PreferencePanes/JavaControlPanel.prefpane`

These commands will delete the necessary files and folders associated with the JDK.

Step 3: Update Your System

If you've uninstalled an older version of the JDK, you may need to update your system to ensure everything runs smoothly. To do this, download the latest version of the JDK from the Oracle website and follow the installation instructions.

Uninstalling a JDK on Mac OS X can be a bit tricky, but by following these steps, you should be able to remove the unwanted JDK from your system. Remember that Java is not pre-installed on macOS 10.7 and later versions, so you'll need to download and install it manually if you want to use it.

Additional Tips

* You can only uninstall one JRE at a time.

* The system will not replace the current JRE with a lower version.

* As of now, you can install and run non-notarized software on macOS 10.15 systems by modifying your security preferences.

By following these steps and tips, you should be able to successfully uninstall OpenJDK on Mac OS X. If you have any further questions or concerns, feel free to ask!

Openjdk uninstall mac