astro-java software package provides Java packages for astronomy, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install astro-java
astro-java is installed in your system.
Make ensure the astro-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep astro-java *
You will get with astro-java package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Meta packages |
| Package | astro-java |
| Version | 0.5 |
| Description | Java packages for astronomy |
| Sub Section | Meta packages |