Github user mateiz commented on the pull request:
https://github.com/apache/incubator-spark/pull/539#issuecomment-35962751
Also one other thing, can you look through the Java programming guide and
the Quick Start guide in the `docs/` folder and make sure they have valid Java
code now that we changed some methods? You should also note that Java has
different versions of `map` and `flatMap` for different return types in the
Java programming guide (it has a section on differences from Scala).
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