Java Integration does not fully handle Java's
mostly Java numeric values are converted back and forth as needed, however there's still a fay to explicitly instanciate Java types (
improvements presented here try to fix those Java value proxies to seamlessly work with Ruby's conversion rules (e.g.
preparing to be able to handle Java numbers while keeping compat
we're converting to Ruby but all basic num operations now simply work
now same as MRI except maybe toFloat to be moved into RubyObject