@@ -57,7 +58,7 @@ public class IterationExamples {
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Where external iteration mixes the “what” (uppercase) and the “how” (for loop/iterator), internal iteration lets the client to provide only the “what” but lets the library control the “how”. This offers several potential benefits: client code can be clearer because it need only focus on stating the problem, not the details of how to go about solving it, and we can move complex optimization code into libraries where it can benefit all users.