groovy2 software package provides Agile dynamic language for the Java Virtual Machine (transitional package), 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 groovy2
groovy2 is installed in your system.
Make ensure the groovy2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep groovy2 *
You will get with groovy2 package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Java |
| Package | groovy2 |
| Version | 2.4.7-3 |
| Description | Agile dynamic language for the Java Virtual Machine (transitional package) |
| Sub Section | Java |