antlr4 software package provides ANTLR Parser Generator, 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 antlr4
antlr4 is installed in your system.
Make ensure the antlr4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep antlr4 *
You will get with antlr4 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Java |
| Package | antlr4 |
| Version | 4.5.1-2 |
| Description | ANTLR Parser Generator |
| Sub Section | Java |