list literal gotcha and suggestion

[Reinier Zwitserloot]

So, passing a {1, 2, 3} literal inline to a method that takes a  
Collection will not require a cast?

Please explain how that would work.

  --Reinier Zwitserloot



On 2009/06/10, at 23:52, Neal Gafter wrote:

> On Tue, Oct 6, 2009 at 1:48 PM, Reinier Zwitserloot <reinier at zwitserloot.com 
> > wrote:
> On 2009/06/10, at 21:32, Neal Gafter wrote:
> Not at all.  I believe that the cast would be unnecessary in  
> virtually all use contexts, just as the cast from "3" to "byte" is  
> unnnecessary in virtually all use contexts.
>
> Doesn't coin include byte literals?
>
> Yes.  That has nothing to do with the part of the existing language  
> specification that allows "3" to be assigned to a "byte".
>
> I think you overstate. "Virtually all use contexts"? I'd say that  
> methods taking in a java.util.Collection is a pretty big use context.
>
> Agreed, those contexts are included.
>
> -Neal