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9781484 216996

52499

ISBN 978-1-4842-1699-6

SOURCE CODE ONLINE

US $24.99

Shelve in:

Programming Languages/Java

User level:

Intermediate–Advanced

www.apress.com

Friesen Java Threads and the Concurrency Utilities

Java Threads

and the

Concurrency

Utilities

FOR PROFESSIONALS BY PROFESSIONALS® THE EXPERT’S VOICE® IN JAVA

Java Threads and the Concurrency Utilities

Java’s thread APIs and concurrency utilities are among its most powerful and challenging

APIs and language features. Java beginners typically find it very difficult to use these features

to write correct multithreaded applications. Java Threads and the Concurrency Utilities helps

all Java developers master and use these capabilities effectively.

This book is divided into two parts of four chapters each. Part 1 focuses on the low-level

Thread APIs and Part 2 focuses on the high-level concurrency utilities. In Part 1, you learn

about Thread API basics, synchronization, waiting and notification, and the additional capa-

bilities of thread groups, thread local variables, and the Timer Framework. In Part 2, you learn

about concurrency utilities basics, executors, synchronizers, the Locking Framework, and the

additional capabilities of concurrent collections, atomic variables, the Fork/Join Framework,

and completion services.

Each chapter ends with select exercises designed to challenge your grasp of the chapter’s

content. An appendix provides the answers to these exercises. A second appendix explores

how threads are used by the Swing Graphical User Interface Toolkit.

•

Create, configure, and start threads that execute runnables

•

Synchronize shared code to avoid race conditions, data races, and more

•

Avoid problems with cached variables

•

Use waiting and notification to coordinate execution between multiple threads

•

Discover thread groups and learn why you should avoid them

•

Learn about thread-local variables

•

Explore the Timer Framework

•

Find out why the concurrency utilities were introduced

•

Explore executors, synchronizers, and the Locking Framework

•

Discover concurrent collections, atomic variables, the Fork/Join Framework, and

completion services

•

Examine Swing’s use of threads and its thread-related APIs

—

Jef f Friesen

Related Titles

Java Threads and the Concurrency Utilities

This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part

of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations,

recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission

or information storage and retrieval, electronic adaptation, computer software, or by similar or

dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are

brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for

the purpose of being entered and executed on a computer system, for exclusive use by the purchaser

of the work. Duplication of this publication or parts thereof is permitted only under the provisions

of the Copyright Law of the Publisher’s location, in its current version, and permission for use must

always be obtained from Springer. Permissions for use may be obtained through RightsLink at the

ISBN-13 (pbk): 978-1-4842-1699-6

ISBN-13 (electronic): 978-1-4842-1700-9

Trademarked names, logos, and images may appear in this book. Rather than use a trademark

symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and

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infringement of the trademark.

The use in this publication of trade names, trademarks, service marks, and similar terms, even if they

are not identified as such, is not to be taken as an expression of opinion as to whether or not they are

subject to proprietary rights.

While the advice and information in this book are believed to be true and accurate at the date of

publication, neither the authors nor the editors nor the publisher can accept any legal responsibility

for any errors or omissions that may be made. The publisher makes no warranty, express or implied,

with respect to the material contained herein.

Managing Director: Welmoed Spahr

Lead Editor: Steve Anglin

Technical Reviewer: Sumit Pal

Editorial Board: Steve Anglin, Louise Corrigan, James T. DeWolf, Jonathan Gennick,

Robert Hutchinson, Michelle Lowman, James Markham, Susan McDermott,

Matthew Moodie, Jerey Pepper, Douglas Pundick, Ben Renow-Clarke, Gwenan Spearing

Coordinating Editor: Mark Powers

Copy Editor: Kezia Endsley

Compositor: SPi Global

Indexer: SPi Global

Artist: SPi Global

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Any source code or other supplementary materials referenced by the author in this text is available

to readers at www.apress.com/9781484216996. For detailed information about how to locate your

book’s source code, go to www.apress.com/source-code/. Readers can also access source code at

SpringerLink in the Supplementary Material section for each chapter.

Contents at a Glance

About the Author �� xi

About the Technical Reviewer �� xiii

Acknowledgments �� xv

Introduction �� xvii

■Part I: Thread APIs �� 1

■Chapter 1: Threads and Runnables �� 3

■Chapter 2: Synchronization �� 21

■Chapter 3: Waiting and Notiﬁcation �� 39

■Chapter 4: Additional Thread Capabilities �� 51

■Part II: Concurrency Utilities �� 67

■Chapter 5: Concurrency Utilities and Executors �� 69

■Chapter 6: Synchronizers �� 83

■Chapter 7: The Locking Framework�� 107

■Chapter 8: Additional Concurrency Utilities �� 125

■Part III: Appendices �� 147

■Appendix A: Answers to Exercises �� 149

■Appendix B: Threading in Swing �� 169

Index �� 195

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Java.Threads.and.the.Concurrency.Utilities.1484216997

Java Threads and the Concurrency Utilities

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