RFR 4358774: Add null InputStream and OutputStream

[Brian Burkhalter]

On Dec 8, 2017, at 4:39 AM, Alan Bateman <Alan.Bateman at oracle.com> wrote:

>> http://cr.openjdk.java.net/~bpb/4358774/webrev.02/.
>> 
> I read through the javadoc again and I think it looks good.
> 
> On the implementation then Sergey has a point, the requireNonNull isn't needed to check b when b.length is used on the next line.

Already made this change locally.

> One other nit is that the "overridden for efficiency" comment between @Override and the method declaration is a distraction. I don't think the comment is needed or just put it on the same line or above the @Overview so it doesn't get in the way.
> 
> The NullXXX tests can be converted to TestNG unit tests if you have cycles.

I’ll make the above two changes and re-post later today.

Thanks,

Brian