Groups > comp.lang.java.programmer > #33968

Re: Lambda reference?

From	Rhino <no_offline_contact@example.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: Lambda reference?
Date	2016-03-14 21:55 -0400
Organization	A noiseless patient Spider
Message-ID	<nc7pub$1f1$1@dont-email.me> (permalink)
References	<nc770d$u97$1@dont-email.me> <options-20160315003020@ram.dialup.fu-berlin.de>

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On 3/14/2016 7:34 PM, Stefan Ram wrote:
> Rhino <no_offline_contact@example.com> writes:
>> I'd like to know what *all* my options[ are], not just .stream and .filter.
>
> docs.oracle.com/javase/8/docs/api
>
>    Since anyone can write new pipeline operations, the options
>    are unlimited. But your options are not restricted to Java,
>    *all* options include the possibility that you might travel
>    to Japan and start to work as a fisher and cook there.
>
How would I write that in Java? ;-)

>> I'm also curious to know what are all the things I can do on the last line.
>
>    A terminal operation, such as forEach, produces a non-stream
>    result, such as a primitive value (like a double value), a
>    collection, or in the case of forEach, no value at all.
>
>    For example:
>
> Intermediate: map
> Intermediate: sorted
> Terminal:     forEach
> Terminal:     reduce
> Terminal:     collect
> Terminal:     collect with multi args
> Terminal:     collect with groupingBy
> Terminal:     count
>
groupingBy? Very very nice; that's exactly what I'm looking for. :-)

>> I assume there is a reference manual somewhere that tells me all the
>> things I can do with my collection using Lambdas but I'm not seeing any
>> pointer to that manual in the Oracle material.
>
> docs.oracle.com/javase/tutorial/collections/streams/
>

Excellent! I had trouble finding this in the API. Now I've got a chance 
to figure this out....

Thank you, Stefan!

-- 
Rhino

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Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 16:32 -0400
  Re: Lambda reference? Sebastian <news@seyweiler.dyndns.org> - 2016-03-14 21:50 +0100
  Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-14 17:16 -0400
    Re: Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 18:29 -0400
    Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-16 04:53 -0700
      Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-16 08:38 -0400
        Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-16 08:45 -0400
          Re: Lambda reference? Sebastian <news@seyweiler.dyndns.org> - 2016-03-16 21:33 +0100
          Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-25 18:35 +0100
            Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-28 07:06 -0700
              Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-31 00:09 +0200
                Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-31 04:42 -0700
                Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-31 18:35 +0200
                Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-31 11:21 -0700
  Re: Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 21:55 -0400

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