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Mastering Concurrency Programming with Java 8

You're reading from   Mastering Concurrency Programming with Java 8 Master the principles and techniques of multithreaded programming with the Java 8 Concurrency API

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Product type Paperback
Published in Feb 2016
Publisher Packt
ISBN-13 9781785886126
Length 430 pages
Edition 1st Edition
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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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Toc

Table of Contents (13) Chapters Close

Preface 1. The First Step – Concurrency Design Principles FREE CHAPTER 2. Managing Lots of Threads – Executors 3. Getting the Maximum from Executors 4. Getting Data from the Tasks – The Callable and Future Interfaces 5. Running Tasks Divided into Phases – The Phaser Class 6. Optimizing Divide and Conquer Solutions – The Fork/Join Framework 7. Processing Massive Datasets with Parallel Streams – The Map and Reduce Model 8. Processing Massive Datasets with Parallel Streams – The Map and Collect Model 9. Diving into Concurrent Data Structures and Synchronization Utilities 10. Integration of Fragments and Implementation of Alternatives 11. Testing and Monitoring Concurrent Applications Index

Other methods of the Fork/Join framework


In the three examples of this chapter, we have used a lot of methods of the class that forms the Fork/Join framework, but there are other interesting methods you have to know.

We have used the methods execute() and invoke() from the ForkJoinPool class to send tasks to the pool. We can use another method named submit(). The main difference between them is that the execute() method sends the task to ForkJoinPool and returns immediately a void value, the invoke() method sends the task to the ForkJoinPool and returns when the task has finished its execution, and the submit() method sends the task to the ForkJoinPool and returns immediately a Future object to control the status of the task and obtain its result.

In all the examples of this chapter, we have used classes based on the ForkJoinTask class, but you can use the ForkJoinPool tasks based on the Runnable and Callable interfaces. To do this, you can use the method submit() that has versions that accept...

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