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Java 9 Concurrency Cookbook, Second Edition

You're reading from   Java 9 Concurrency Cookbook, Second Edition Build highly scalable, robust, and concurrent applications

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781787124417
Length 594 pages
Edition 2nd Edition
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Concepts
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Author (1):
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Javier Fernández González Javier Fernández González
Author Profile Icon Javier Fernández González
Javier Fernández González
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Table of Contents (12) Chapters Close

Preface 1. Thread Management FREE CHAPTER 2. Basic Thread Synchronization 3. Thread Synchronization Utilities 4. Thread Executors 5. Fork/Join Framework 6. Parallel and Reactive Streams 7. Concurrent Collections 8. Customizing Concurrency Classes 9. Testing Concurrent Applications 10. Additional Information 11. Concurrent Programming Design

Sorting the elements of a stream

Another typical operation you will want to do with a Stream is sorting its elements. For example, you may want to sort the elements of the Stream by name, postal code, or any other numeric value.

With streams, we have other considerations with the so-called encounter order. Some streams may have a defined encounter order (it depends on the source of the Stream). Some operations work with the elements of the stream in its encountered ordered, such as limit(), skip(), and others. This makes that parallel computation for this methods doesn't give us good performance. In these cases, you can speed-up the execution of these methods by deleting the ordering constraint.

In this recipe, you will learn how to sort the elements of Stream and how to delete the ordering constraint in situations where we don't need the encounter order of Stream.

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