Github user ctubbsii commented on a diff in the pull request: https://github.com/apache/incubator-fluo-website/pull/44#discussion_r90113456 --- Diff: tour/exercise-1.md --- @@ -240,14 +237,15 @@ public class ContentObserver extends AbstractObserver { /** * Utility method to tokenize the content of a document into unique words. */ - private Set<String> tokenize(String content) { - return new HashSet<String>(Arrays.asList(content.split("[ .!,]+"))); + private String[] tokenize(String content) { --- End diff -- Personally, I would keep the `Set<String>` return type.
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