libecj-java software package provides Eclipse Java compiler (library), you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libecj-java
libecj-java is installed in your system.
Make ensure the libecj-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libecj-java *
You will get with libecj-java package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libecj-java |
| Version | 3.10.1-2 |
| Description | Eclipse Java compiler (library) |
| Sub Section | Libs |