gcj-4.9-source software package provides GCJ java sources for use in IDEs like eclipse and netbeans, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gcj-4.9-source
gcj-4.9-source is installed in your system.
Make ensure the gcj-4.9-source package were installed using the commands given below,
$ sudo dpkg-query -l | grep gcj-4.9-source *
You will get with gcj-4.9-source package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Java |
| Package | gcj-4.9-source |
| Version | 4.9.2-10 |
| Description | GCJ java sources for use in IDEs like eclipse and netbeans |
| Sub Section | Java |