Uninstall Old JDK from Mac Computer

Q

How to uninsatll old JDK from my Mac computer? I don't need it any more.

✍: FYIcenter

A

If you want to uninstall JDK from your Mac computer, you can follow these steps:

1. Verify versions of installed JDK:

fyicenter$ ls -l /Library/Java/JavaVirtualMachines

drwxr-xr-x@ 5 root  wheel  170 Feb 13  2020 jdk-13.jdk
drwxr-xr-x@ 3 root  wheel  102 Mar  5  2020 jdk-14.0.1.jdk
drwxr-xr-x  3 root  wheel  102 Oct 12  2020 jdk-15.jdk
drwxr-xr-x  3 root  wheel  102 Nov  5 23:22 jdk-17.0.5.jdk

2. Remove older versions of JDK:

fyicenter$ sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-13.jdk
fyicenter$ sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-14.0.1.jdk/
fyicenter$ sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-15.jdk/

3. Verify the latest version of JDK:

fyicenter$ javac -version
javac 17.0.5

fyicenter$ java -version
java version "17.0.5" 2022-10-18 LTS
Java(TM) SE Runtime Environment (build 17.0.5+9-LTS-191)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.5+9-LTS-191, mixed mode, sharing)

⇒ JDK 17 JMod/Module Files

⇐ Java Deployment Personal Cache on Mac Computer

⇑ Using JDK 17 on Mac Computer

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What are jmods\*.jmod files in JDK 17 installation directory? jmods\*.jmod files in JDK 17 installation directory are JMod files for Java language modules and JDK tool modules. You can list them with the "dir/ls" command: fyicenter$ ls -l /Library/Java/JavaVirtualMachi nes/jdk-17.0.5.jdk/Contents/Ho m... 2023-09-03, ∼1546🔥, 0💬

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What are JDK Directories on my Mac Computer? Here is where JDK program files are located on your Mac computer: fyicenter$ ls -l /Library/Java/JavaVirtualMachi nes/drwxr-xr-x@ 5 root wheel 170 Feb 13 2020 jdk-13.jdk drwxr-xr-x@ 3 root wheel 102 Mar 5 2020 jdk-14.0.1.jdk drwxr-xr-x 3 root wheel 102 Oc... 2023-08-09, ∼1106🔥, 0💬

Uninstall Old JDK from Mac Computer
How to uninsatll old JDK from my Mac computer? I don't need it any more. If you want to uninstall JDK from your Mac computer, you can follow these steps: 1. Verify versions of installed JDK: fyicenter$ ls -l /Library/Java/JavaVirtualMachi nesdrwxr-xr-x@ 5 root wheel 170 Feb 13 2020 jdk-13.jdk drwxr-... 2023-09-03, ∼1056🔥, 0💬

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