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Re: .parallelStream()

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  Re: .parallelStream() Sebastian <news@seyweiler.dyndns.org> - 2015-04-01 16:42 +0200

#31435 — Re: .parallelStream()

Am 01.04.2015 16:08, schrieb Stefan Ram:
>    I read somewhere that streams can be executed in parallel.
>
>    Somewhere else I read, that one needs to call
>    ».parallelStream()« for parallel execution.
>
>    So, do I get it right, that the JVM will never execute a
>    stream obtained by ».stream()« in parallel, even if it can
>    detect that this will be faster and yield the same outcome,
>    unless the programmer has explicitly enabled this via
>    ».parallelStream()«?
>
Yes. You may also use stream().parallel().

There is no place for implicit parallelism anywhere in Java. The aim in 
designing the Streams API was to make it "unobtrusive".

-- Sebastian

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