gcj-4.9-s390x-linux-gnu software package provides GCJ byte code and native compiler for Java(TM), you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gcj-4.9-s390x-linux-gnu
gcj-4.9-s390x-linux-gnu is installed in your system.
Make ensure the gcj-4.9-s390x-linux-gnu package were installed using the commands given below,
$ sudo dpkg-query -l | grep gcj-4.9-s390x-linux-gnu *
You will get with gcj-4.9-s390x-linux-gnu package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Java |
| Package | gcj-4.9-s390x-linux-gnu |
| Version | 4.9.3-13ubuntu2cross1 |
| Description | GCJ byte code and native compiler for Java(TM) |
| Sub Section | Java |