# archlinux-java > A helper script that provides functionalities for Java environments. > More information: <https://github.com/michaellass/archlinux-java-run>. - List installed Java environments: `archlinux-java status` - Set the default Java environment: `archlinux-java set {{java_environment}}` - Unset the default Java environment: `archlinux-java unset` - Set the default Java environment automatically: `archlinux-java fix`