libjava3d-java software package provides Java 3D API (java 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 libjava3d-java
libjava3d-java is installed in your system.
Make ensure the libjava3d-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjava3d-java *
You will get with libjava3d-java package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libjava3d-java |
| Version | 1.5.2+dfsg-11ubuntu1 |
| Description | Java 3D API (java library) |
| Sub Section | Libs |