Final variables without explicit type: Intersection types issue.

Neal Gafter neal at
Sun Mar 22 07:54:08 PDT 2009

On Sun, Mar 22, 2009 at 2:43 AM, Florian Weimer <fw at> wrote:

> * Neal Gafter:
> > What's the problem just leaving the type of the variable an intersection
> > type?
> For local variables, I think it's possible.  For fields, it requires
> class file format changes, and updates to the reflection and JSR 269
> APIs.  I could be mistaken, though.

I would suggest this kind of type inference only be allowed for local
variables.  That makes the spec and implementation fairly simple.

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