Re: bindings and assignments

[Piers Cawley <address@hidden>]

"Sean O'Rourke" <sorourke@cs.ucsd.edu> writes:

> Michael Vanier <mvanier@cs.caltech.edu> writes:
>
>>> Date: Thu, 14 Aug 2003 10:45:34 -0400
>>> From: "David B. Tucker" <dbtucker@cs.brown.edu>
>>> 
>>> Out of curiosity, does anyone know why Java only allows final variables
>>> to be referenced from within anonymous classes?
>>
>> This is my #1 pet peeve about java.  It drives me crazy.
>
> This is #2 for me, right behind "primitives are not objects", which
> makes Java collections a world of pain.  But as with so many things in
> Java, it doesn't make things impossible so much as awkward, painful,
> and inefficient.  The "solution" I've settled on to both of these
> problems is to use 1-element arrays.  A final 1-element array doesn't
> have final elements, and a 1-element primitive array is an object.
> As an added bonus, you get to avoid doing two accesses to update a
> value:
>
>         ((int[])hash.get("foo"))[0]++;

Mmm... pretty ValueHolders. Not.