Are you calling me a hack? Ouch!
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Galen Rhodes
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On May 8, 2008, at 11:42 AM, Chuck Hill wrote:
Still smells like a hack. :-)
On May 8, 2008, at 7:33 AM, Mike Schrag wrote:
Yep .. You win the blue ribbon ... void.class == Void.TYPE. That's
crazy and magical :)
On May 8, 2008, at 10:28 AM, Galen Rhodes wrote:
It's actually, according to the site I gave, Void.TYPE ==
void.class.
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Galen Rhodes
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On May 8, 2008, at 10:21 AM, Mike Schrag wrote:
Don't know about the "looking up" part... AFAIK return types are
not a part of the method signature in Java, also indicated by
Class API, whose "getMethod..." stuff does not ask for the
return type as a parameter...
Well, it's technically part of the method signature, but it is
not required for lookup (because java only supports covariant
return types so there's never a conflict for a lookup).
Curiously, getReturnType() on a void method returns "void" --
some magical class -- like how you can refer to "int.class" in
code and it works even though there is no class of that type.
It's possible that internally "void" maps to Void.class, but if
it does, it's totally magical. Also, void is not assignable from
Void and vice versa, so internally the VM believes they are
different types. So basically the mystery continues as to what
the point of Void.class is :)
ms
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