libgcj15 software package provides Java runtime library for use with gcj, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgcj15
libgcj15 is installed in your system.
Make ensure the libgcj15 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgcj15 *
You will get with libgcj15 package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Libraries |
| Package | libgcj15 |
| Version | 4.9.4-2ubuntu1 |
| Description | Java runtime library for use with gcj |
| Sub Section | libs |