SDKMAN

SDKMAN is a tool for managing Java installations and related tools, like nvm for Java.

Setup

Install SDKMAN

https://sdkman.io/install

Add a locally installed version of Java to SDKMAN

  1. Install a version of Java on your system, e.g.

    sudo apt install openjdk-17-jdk

  2. Add it to SDKMAN

    sdk install java 17-openjdk /usr/lib/jvm/java-17-openjdk-amd64

Usage

List the installed versions of Java

Type sdk use java and press Tab

List default versions of all software managed by SDKMAN

Run this command in a new shell (in case the version has been changed in the current shell):

sdk current

List the default version of Java

Run this command in a new shell (in case the version has been changed in the current shell):

sdk current java

Change the version of Java used for the current session

e.g.

sdk use java 17-openjdk

Change the version of Java used by default

e.g.

sdk default java 17-openjdk