ruby-rjb - 1.5.5-3+b4 main

Rjb is a library that connect between Ruby and Java using the Java Native
Interface.
.
Among others, it supports importing Java classes into Ruby's environment,
instantiating objects with a number of type matching rules, calling instance
method (overloaded or not), accessing fields, binding Ruby objects to Java
interfaces, throws java exception in ruby-bounded-object, and inspecting
object classes.