Scala compiles to java bytecode. You can use java objects in scala and vice versa.
Thanks, Jun On Fri, May 17, 2013 at 4:48 PM, Rob Withers <reefed...@gmail.com> wrote: > I've gotten to know y'all a bit, so I would like to ask my question here. > :) > > I am fairly unfamiliar with Scala, having worked a chapter or 2 out of a > scala book I bought. My understanding is that it is both an object > language and a functional language. The only language I am extremely > familiar with, that is this way, is Smalltalk. Smalltalk is a dynamic > late-binding, strongly-typed language. My understanding is scala is a > explicitly typed language, but does this mean it is a static, early-binding > language? > > Closures, and I suppose functions, must be or optionally could be compiled > at runtime. Are they? I realize they capture their environment at > creation-time (runtime), but does that mean the code gets compiled to byte > code at that time, or is it possible to use a Mirror to compile it at > runtime? It is extremely important to be able to do this, for me, and I am > pretty sure it can do this. I mean, duh! > > I think scala has immutable objects, is it so? Apria? so, my question: > what about object references? Can they be mutable by choice? Here's what > I need, and I need a language that supports it, and if that language is > callable from java, then I can support this feature on the jvm, callable > by java and groovy. I would rather they be implemented in scala, due to > performance, unless scala already has the feature. > > Mutability is required for a reference mutation from an eventual reference > to a stable reference or a broken reference. It is useful to not require a > wrapper around a mutable ref. Does scala have an any type, with > polymorphic runtime dispatch? > > Is there a cross-compiler that will convert java to scala? > > thank you for your responses, > rob
