denisecase opened a new pull request, #17369:
URL: https://github.com/apache/beam/pull/17369
Added the following content to provide a Java example at the end of section
4.2.2. GroupByKey.
Using <span class="language-java">`GroupByKey`</span> is straightforward:
{{< highlight java >}}
// The input PCollection.
PCollection<KV<String, String>> mapped = ...;
// Apply GroupByKey to the PCollection mapped.
// Save the result as the PCollection reduced.
PCollection<KV<String, Iterable<String>>> reduced =
mapped.apply(GroupByKey.<String, String>create());
{{< /highlight >}}
**Please** add a meaningful description for your change here
Minor addition to assist new users with a GroupByKey example in Java.
Specifically:
Added the following content to provide a Java example at the end of section
4.2.2. GroupByKey.
Using <span class="language-java">`GroupByKey`</span> is straightforward:
{{< highlight java >}}
// The input PCollection.
PCollection<KV<String, String>> mapped = ...;
// Apply GroupByKey to the PCollection mapped.
// Save the result as the PCollection reduced.
PCollection<KV<String, Iterable<String>>> reduced =
mapped.apply(GroupByKey.<String, String>create());
{{< /highlight >}}
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