The Java platform includes a variety of ways to iterate over a collection of objects, including new options based on features introduced in Java 8. In this article John Moore revisits the Iterator design pattern with attention to the difference between active and passive iterators. Learn how Java 8's
forEach() method and features of the Stream API can help you fine-tune and parallelize the behavior of Java iterators, then conclude with some performance benchmarks that might surprise you.'via Blog this'
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