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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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Table of Contents (13) Chapters Close

Preface 1. The First Step – Concurrency Design Principles 2. Managing Lots of Threads – Executors FREE CHAPTER 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

Monitoring concurrency applications

When you implement Java applications, you normally use an IDE such as Eclipse or NetBeans to create your projects and write your source code. But the JDK (short for Java Development Kit) includes tools you can use to compile, execute, or generate Javadoc documents. One of those tools is Java VisualVM, which is a graphical tool that shows you information about the applications that are executing in a JVM. You can find it in the bin directory of your JDK installation (jvisualvm.exe). You can also install a plugin for Eclipse (Eclipse launcher for VisualVM) to integrate its functionality on Eclipse.

If you execute it, you will see a window similar to this:

Monitoring concurrency applications

In the left side of the screen, you can see the Applications tab where you will see all the Java applications that are currently running by the current user in your system. If you make a double-click in one of those applications, you will see five tabs:

  • Overview: This tab shows general information about the...
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