Minimum configuration for JRE use?

[Scot E. Wilcoxon]

The FAQ has vague references to JDK resource needs.

Anyone have an estimate of the minimum configuration
needed for the Linux JRE?  That is, what's the smallest
system which can run Linux Java programs, not the JDK?
(I happen to be wondering about 486 12M RAM/20M disk
at the moment)