Adopt OpenJDK Lambdas Hackday at Devoxx UK

Martijn Verburg martijnverburg at gmail.com
Wed Mar 20 04:53:17 PDT 2013


Hi Brian,

On 19 March 2013 16:00, Brian Goetz <brian.goetz at oracle.com> wrote:

> We're planning on running another 3 hour hack session on Lambdas with
>> about 30 attendees at Devoxx UK.
>>
>
> Thanks -- these have been extremely helpful so far.
>
>  1.) Is there a new binary drop planned in the coming week?
>>
>
> Can you give us the date for the hack day?


27th of March - short notice I know.  Richard Warburton will be running it
and Stuart Marks + a few other instructors will be helping out


> 2.) Are there area of the API/feature set you'd like us to get attendees
>
>> to focus on?
>>
>
> The aspects of the API that are most changed since the last hack day are:
>
>  - flatMap revamped
>  - reduce/collect revamped
>  - many methods on Stream (e.g., into(), groupBy()) moved into collect().
>
> For example, what was
>   .into(new ArrayList<>())
>
> is now
>
>   .collect(toList())
>
> and what was
>
>   .groupBy(classifierFn)
>
> is now
>
>   .collect(groupingBy(**classifierFn))
>
> where toList/groupingBy are static imported from Collectors.
>

Understood, will try to focus on those.

Cheers,
Martijn


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