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https://issues.apache.org/jira/browse/FLINK-1962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14539532#comment-14539532
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Stephan Ewen commented on FLINK-1962:
-------------------------------------
In Scala, you usually use the Scala tuples.
The Java tuples were introduced, because:
- we wanted to keep the Scala dependencies out of the Java API
- they can be used in a mutable way, which allows you to make some
performance optimizations
- we wound that certain Java programmers were confused by the scala tuples
and the fields counting from _1 (where the tuple positions in the keys count
from 0)
That being said, you should be able to use scala tuples in the Java API, if you
prefer that...
> Add Gelly Scala API
> -------------------
>
> Key: FLINK-1962
> URL: https://issues.apache.org/jira/browse/FLINK-1962
> Project: Flink
> Issue Type: Task
> Components: Gelly, Scala API
> Affects Versions: 0.9
> Reporter: Vasia Kalavri
>
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