Review Request: JDK-8159524 jdeps -jdkinternals throws NPE when no replacement is known

[Mandy Chung]

> On Jun 17, 2016, at 7:26 AM, Daniel Fuchs <daniel.fuchs at oracle.com> wrote:
> 
> Hi Mandy,
> 
> JdepsTask.java:
> 
> 616                     .filter(e -> e.getValue() != null)
> 
>   is this still needed? I thought the use of optional at line
>   602 already filtered out the null values.
> 

Good catch.  It’s no longer needed.  Took out this filter.

> 617                     .sorted(Map.Entry.comparingByKey())
> 
>   I believe you could get rid of that line by simply
>   turning jdkInternals into a TreeMap at line 599.
> 

This is fine with me too.  Changed.

> The rest looks reasonable to me.
> 

Thanks for the review.

Mandy