Groovy 2.5.0 adds several methods to make working with Java 8 Streams more groovy. First, the methods toList and toSet are added to the Stream class. These methods will convert the stream to a List and Set , using the Stream.collect method with Collectors.toList and Collectors.toSet as the argument. Furthermore, we can convert any array object to a Stream using the stream method that is added to all array objects.

In the following example, we use the support of converting an array to a Stream and then getting a List and Set from the stream:

Source de l’article sur DZONE

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