This document will show you how to install jenv, review its most common commands, show example workflows and identify known issues.

$ jenv add /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home oracle64-1.6.0.39 added $ jenv add /Library/Java/JavaVirtualMachines/jdk17011.jdk/Contents/Home oracle64-1.7.0.11 added

May 2, 2025 - Next, let’s add the installed jenv command to the path based on the shell being used.

June 27, 2020 - jenv 0.5.3-2-g78dbd7f Usage: jenv <command> [<args>] Some useful jenv commands are: commands List all available jenv commands local Set or show the local application-specific Java version global Set or show the global Java version shell Set or show the shell-specific Java version rehash Rehash jenv shims (run this after installing executables) version Show the current Java version and its origin versions List all Java versions available to jenv which Display the full path to an executable whence List all Java versions that contain the given executable add Add JDK into jenv.

December 2, 2020 - The 'jenv version' command only gives you the current version.

September 11, 2023 - Today, we will be looking at one such command line tool called jEnv, to improve the developer experience for the Java version management workflow.

July 27, 2018 - You should be seeing the currently set version (which should be java 10.0 or 10.0.1 as per the above example) as you java version. If not, something’s not right, and you may not get the intended behaviour out of your jenv.

jenv init · jenv javahome · jenv macos-javahome · jenv options · jenv options-file · jenv options-file-read · jenv options-file-write · jenv prefix · jenv refresh-plugins · jenv refresh-versions · jenv rehash · jenv remove · jenv root · jenv shims ·

Jenv is a command line tool, which you can use to conviniently switch between various version of java.

April 11, 2025 - jenv is a command-line tool to manage the “JAVA_HOME” environment variable. Add a Java version to jEnv: jenv add path/to/jdk_home Display the current JDK version used: jenv version Display all managed JDKs: jenv versions Set the global JDK ...

January 30, 2020 - This will list all the Java versions jEnv has indexed. You might see that there are duplicates for each Java version. For example ‘openjdk64–11.0.6’, ‘11.0.6’ and ‘11.0’. These all point to the same version of Java 11, however they provide different granularity of information in their name.

November 9, 2017 - $ jenv add /Library/Java/JavaV... $ jenv add /Library/Java/JavaVirtualMachines/jdk1.8.0_152.jdk/Contents/Home/ ... The * indicates the active version. It can be changed by typing: ... You can also configure a local version (per directory) or a shell instance version by replacing global with local or shell respectively. After making sure that java -version shows the correct ...

jenv(version) sets the Java® path for MATLAB® to a Java version on your system or the version in a specified folder. For supported version information, see Versions of OpenJDK Compatible with MATLAB by Release.

jenv local 1.8; java -version; # Some code here involving sdkmanager...

September 10, 2014 - You can set a default version using jenv global [version], and show the full path to the Java executable by running jenv which java.

December 24, 2021 - jenv global shows the current version used by jenv

jenv add /opt/jdk-17 jenv global 17 jenv local 11 # per-project .java-version file created java -version # shows JDK 17

jenv makes it easy to run multiple versions of Java on a Mac computer. It also makes it easy to seamlessly switch between Java versions when you switch projects. Running multiple Java versions is important for Android and Apache Spark developers. Spark developers should use Java 8 for Spark ...

December 2, 2025 - I installed jenv in a few minutes, ran a couple of commands, and suddenly… everything worked. No more PATH drama. No more “why is Java 17 showing when I’m in a Java 8 project?” No more breaking builds because my system forgot which version I told it to use yesterday.