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https://issues.apache.org/jira/browse/FLINK-11003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701300#comment-16701300
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ASF GitHub Bot commented on FLINK-11003:
----------------------------------------
KarmaGYZ commented on a change in pull request #7174: [FLINK-11003][docs] Fix
mistake in java_lambda doc
URL: https://github.com/apache/flink/pull/7174#discussion_r236917645
##########
File path: docs/dev/java_lambdas.md
##########
@@ -135,4 +135,4 @@ public static class DoubleTuple extends Tuple2<Integer,
Integer> {
this.f1 = f1;
}
}
-{% endhighlight %}
\ No newline at end of file
+{% endhighlight %}
Review comment:
Done. Thanks for the review!
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> Document of Java Lambda Expressions has a mistake
> -------------------------------------------------
>
> Key: FLINK-11003
> URL: https://issues.apache.org/jira/browse/FLINK-11003
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.5.5, 1.6.2, 1.7.0
> Reporter: Yangze Guo
> Assignee: Yangze Guo
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.8.0
>
>
> Documentation of *[Java Lambda
> Expressions|https://ci.apache.org/projects/flink/flink-docs-master/dev/java_lambdas.html]*
> has a mistake which may cause confusion.
> In the last code block, it presents some way to solve type missing problem.
> In 15 line:
> public static class MyTuple2Mapper extends MapFunction<Integer, Integer> {
> @Override
> public Tuple2<Integer, Integer> map(Integer i)
> { return Tuple2.of(i, i); }
> }
> The second generic type in MapFunction should be Tuple2<Integer, Integer>
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