This article details why Java on FreeBSD is a good combination.
Work in progress
This document is work in progress and far from complete. Feedback is welcome at ernst@ernstdehaan.com. If you're a FreeBSD committer, feel free to extend this page.
FreeBSD as an operating system
FreeBSD is an excellent choice as a server operating system. Although it works fine as a desktop operating system, the advantages come out stronger when used as a server. It is secure, yet flexible.
Java on FreeBSD
Java has been running on FreeBSD since 1998 (?)