Sorting streams containing nulls

[Remi Forax]

On 11/07/2012 02:30 PM, Brian Goetz wrote:
> The exact specification is not yet written, but we are not expecting stream implementations or operations to do anything special with nulls.  This means nulls may be passed to lambdas or inserted into collections that do not support them, resulting in NPE.

so it's an implementation bug ?
All Queue don't accept null so either null need to be masked/unmasked or 
the implementation has to be changed.

Rémi

>
>
>
> On Nov 7, 2012, at 5:22 AM, Georgiy Rakov wrote:
>
>> Hello.
>>
>> When we make sorted(...).iterator() on Stream instance containing one
>> ore more nulls we receive NPE. The example of stack trace is below:
>>
>>     java.lang.NullPointerException
>>          at java.util.PriorityQueue.offer(PriorityQueue.java:320)
>>          at java.util.PriorityQueue.add(PriorityQueue.java:306)
>>          at java.util.streams.ops.SortedOp.iterator(SortedOp.java:105)
>>          at java.util.streams.ops.SortedOp.wrapIterator(SortedOp.java:97)
>>          at
>>     java.util.streams.AbstractPipeline.iterator(AbstractPipeline.java:329)
>>          ...
>>
>> Could you please tell if it is considered as expected behavior or it's
>> going to be fixed somehow.
>>
>> Georgiy.
>>
>