dia2code software package provides a dia-UML code generator, 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 dia2code
dia2code is installed in your system.
Make ensure the dia2code package were installed using the commands given below,
$ sudo dpkg-query -l | grep dia2code *
You will get with dia2code package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Development |
| Package | dia2code |
| Version | 0.8.3-4+b1 [armhf], 0.8.3-4 [a |
| Description | a dia-UML code generator |
| Sub Section | devel |