HyukjinKwon commented on code in PR #44342:
URL: https://github.com/apache/spark/pull/44342#discussion_r1446846063
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sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala:
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@@ -138,7 +138,7 @@ private[sql] object Dataset {
* the following creates a new Dataset by applying a filter on the existing
one:
* {{{
* val names = people.map(_.name) // in Scala; names is a Dataset[String]
- * Dataset<String> names = people.map((Person p) -> p.name,
Encoders.STRING));
+ * Dataset<String> names = people.map((MapFunction<Person, String>) p ->
p.name, Encoders.STRING()); // Java
Review Comment:
```suggestion
* Dataset<String> names = people.map(
* (MapFunction<Person, String>) p -> p.name, Encoders.STRING()); // Java
```
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