Saturday, September 22, 2018

Download Ebook Java Concurrency in Practice

Download Ebook Java Concurrency in Practice

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Java Concurrency in Practice

Java Concurrency in Practice


Java Concurrency in Practice


Download Ebook Java Concurrency in Practice

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Java Concurrency in Practice

From the Back Cover

"I was fortunate indeed to have worked with a fantastic team on the design and implementation of the concurrency features added to the Java platform in Java 5.0 and Java 6. Now this same team provides the best explanation yet of these new features, and of concurrency in general. Concurrency is no longer a subject for advanced users only. Every Java developer should read this book."--Martin BuchholzJDK Concurrency Czar, Sun Microsystems"For the past 30 years, computer performance has been driven by Moore's Law; from now on, it will be driven by Amdahl's Law. Writing code that effectively exploits multiple processors can be very challenging. "Java Concurrency in Practice" provides you with the concepts and techniques needed to write safe and scalable Java programs for today's--and tomorrow's--systems."--Doron RajwanResearch Scientist, Intel Corp"This is the book you need if you're writing--or designing, or debugging, or maintaining, or contemplating--multithreaded Java programs. If you've ever had to synchronize a method and you weren't sure why, you owe it to yourself and your users to read this book, cover to cover."--Ted NewardAuthor of "Effective Enterprise Java""Brian addresses the fundamental issues and complexities of concurrency with uncommon clarity. This book is a must-read for anyone who uses threads and cares about performance."--Kirk PepperdineCTO, JavaPerformanceTuning.com"This book covers a very deep and subtle topic in a very clear and concise way, making it the perfect Java Concurrency reference manual. Each page is filled with the problems (and solutions!) that programmers struggle with every day. Effectively exploiting concurrency is becoming more and more important now that Moore's Law is delivering more cores but not faster cores, and this book will show you how to do it."--Dr. Cliff ClickSenior Software Engineer, Azul Systems"I have a strong interest in concurrency, and have probably written more thread deadlocks and made more synchronization mistakes than most programmers. Brian's book is the most readable on the topic of threading and concurrency in Java, and deals with this difficult subject with a wonderful hands-on approach. This is a book I am recommending to all my readers of "The Java Specialists' Newsletter," because it is interesting, useful, and relevant to the problems facing Java developers today."--Dr. Heinz Kabutz"The Java Specialists' Newsletter""I've focused a career on simplifying simple problems, but this book ambitiously and effectively works to simplify a complex but critical subject: concurrency. "Java Concurrency in Practice" is revolutionary in its approach, smooth and easy in style, and timely in its delivery--it's destined to be a very important book."--Bruce TateAuthor of "Beyond Java"""Java Concurrency in Practice" is an invaluable compilation of threading know-how for Java developers. I found reading this book intellectually exciting, in part because it is an excellent introduction to Java's concurrency API, but mostly because it captures in a thorough and accessible way expert knowledge on threading not easily found elsewhere."--Bill VennersAuthor of "Inside the Java Virtual Machine"Threads are a fundamental part of the Java platform. As multicore processors become the norm, using concurrency effectively becomes essential for building high-performance applications. Java SE 5 and 6 are a huge step forward for the development of concurrent applications, with improvements to the Java Virtual Machine to support high-performance, highly scalable concurrent classes and a rich set of new concurrency building blocks. In "Java Concurrency in Practice," the creators of these new facilities explain not only how they work and how to use them, but also the motivation and design patterns behind them.However, developing, testing, and debugging multithreaded programs can still be very difficult; it is all too easy to create concurrent programs that appear to work, but fail when it matters most: in production, under heavy load. "Java Concurrency in Practice" arms readers with both the theoretical underpinnings and concrete techniques for building reliable, scalable, maintainable concurrent applications. Rather than simply offering an inventory of concurrency APIs and mechanisms, it provides design rules, patterns, and mental models that make it easier to build concurrent programs that are both correct and performant.This book covers: Basic concepts of concurrency and thread safety Techniques for building and composing thread-safe classes Using the concurrency building blocks in java.util.concurrent Performance optimization dos and don'ts Testing concurrent programs Advanced topics such as atomic variables, nonblocking algorithms, and the Java Memory Model

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About the Author

Brian Goetz is a software consultant with twenty years industry experience, with over 75 articles on Java development. He is one of the primary members of the Java Community Process JSR 166 Expert Group (Concurrency Utilities), and has served on numerous other JCP Expert Groups. Tim Peierls is the very model of a modern multiprocessor, with BoxPop.biz, recording arts, and goings on theatrical. He is one of the primary members of the Java Community Process JSR 166 Expert Group (Concurrency Utilities), and has served on numerous other JCP Expert Groups. Joshua Bloch is a principal engineer at Google and a Jolt Award-winner. He was previously a distinguished engineer at Sun Microsystems and a senior systems designer at Transarc. Josh led the design and implementation of numerous Java platform features, including JDK 5.0 language enhancements and the award-winning Java Collections Framework. He holds a Ph.D. in computer science from Carnegie Mellon University. Joseph Bowbeer is a software architect at Vizrea Corporation where he specializes in mobile application development for the Java ME platform, but his fascination with concurrent programming began in his days at Apollo Computer. He served on the JCP Expert Group for JSR-166 (Concurrency Utilities). David Holmes is director of DLTeCH Pty Ltd, located in Brisbane, Australia. He specializes in synchronization and concurrency and was a member of the JSR-166 expert group that developed the new concurrency utilities. He is also a contributor to the update of the Real-Time Specification for Java, and has spent the past few years working on an implementation of that specification. Doug Lea is one of the foremost experts on object-oriented technology and software reuse. He has been doing collaborative research with Sun Labs for more than five years. Lea is Professor of Computer Science at SUNY Oswego, Co-director of the Software Engineering Lab at the New York Center for Advanced Technology in Computer Applications, and Adjunct Professor of Electrical and Computer Engineering at Syracuse University. In addition, he co-authored the book, Object-Oriented System Development (Addison-Wesley, 1993). He received his B.A., M.A., and Ph.D. from the University of New Hampshire.

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Product details

Paperback: 432 pages

Publisher: Addison-Wesley Professional; 1 edition (May 19, 2006)

Language: English

ISBN-10: 0321349601

ISBN-13: 978-0321349606

Product Dimensions:

7 x 1 x 9.2 inches

Shipping Weight: 1.4 pounds (View shipping rates and policies)

Average Customer Review:

4.7 out of 5 stars

181 customer reviews

Amazon Best Sellers Rank:

#46,816 in Books (See Top 100 in Books)

Don't worry about this book being out-of-date--it isn't. This book is filled with useful information about how to write safe concurrent Java. It provides simple rules about how to implement concurrency policy, which is what you really need to know. Most online tutorials, by contrast, will simply tell you about "synchronized" and maybe "volatile", which are just tools (that are frequently misapplied). This book teaches you how to use those tools.

This is a great primer on all the new things added in java.util.concurrency in Java 5 and 6. I'd love to see a 2nd edition that covers fork/join from Java 7, and the new concurrent streams in Java 8.

I have pointed out some of the concurrency pitfalls in this book to software developers I have worked with. So far, as I recall, there has not been a single one of them that already knew that compilers can reorder statements (e.g. if it makes execution more efficient) as long as a single threaded program cannot tell the difference. Consider this code which many programmers would think could be used to inform other threads that the initialization isn't completed.completed = false;{some initialization code that does something without touching the variable named completed}completed = true;In Java, or C# or C++ the compiler is actually allowed to reorder statements as long as it won't change the execution of a SINGLE THREADED program.So, to make more efficient use of the cache through by keeping accesses to the same variables next to each other, the compiler is allowed to reorder these statements tocompleted = false;completed = true;{some initialization code that does something without touching the variable named completed}It can do that because a single threaded program can't tell the difference.This book is really an important book for multithreaded programming. Even if you never touch Java, if you used multiple threads you really ought to make sure you know the pitfalls this book covers.

Even after a couple years and JDK releases, this still seems to be the go-to primer for Java...well, concurrency. You know, like the title says. It's not without reason - the book is well-written and straightforward and takes you through a punchlist of topics, all the way from the lauded Executors family down to Object.wait() and .notify(), and even into the foundational AbstractQueuedSynchronizer, which a lot of the higher-level APIs use under the hood.If I could wish for one more thing out of this book, it's an update. Sure, the biggest update for Java concurrency APIs was 1.5, but there are new additions I'd like to see covered in this kind of detail and clarity.

I've been using Java in the professional setting for about 4 years now. There have been times where concurrent software implementations were a necessity to get the job done. It was during these projects where I realized that I was simply following a set of patterns that had been beaten into me by peers/blogs/how-to's over the years without really understanding the gritty details of why those patterns were needed, and what was actually happening.This book IS the "why". This book is made out of 94% pure industry grade "grit".Ever hear someone talk about thread visibility and not know what they were on about? Have you NOT heard of thread visibility? Ever wonder what exactly the "volatile" key word is and what it guarantees? Does the phrase "Java Memory Model" cause you anxiety at the mere mentioning of it?This book will massage all those worries/misunderstandings/anti-patterns right out of your grey matter. The book is incredibly easy to read for anyone who has worked with Java seriously in the past. The book does a fantastic job of laying out in incredibly concise wording what it means to be thread safe, what it means to work atomically, what it means to have thread visibility, etc. etc. all the way into the deep bowels of the JVM's memory model, and how and why it's doing what it's doing. A must have book for any professional Java developer's library.

I'm an experienced Java programmer and this was the best book on Java, actually the best programming book I have ever read. This book gave me a whole new way of looking at Java and some things that I had been doing incorrectly or unsafely. The book makes it clear that just because it runs correctly doesn't necessarily mean its correct...it has to run correctly in *all* cases. So awesome, I just wish there was another edition that brought it up to Java 7 or 8.

Goetz's knowledge on Java concurrency is pretty phenomenal, and he does an even better job sharing this knowledge. I consider myself an intermediate-advanced Java developer, but this book really pushed me out of my comfort zone. He emphasizes the pitfalls of concurrency and effectively shifts the reader's mind to constantly ask the question "How can unlucky timing screw up my application?" Wariness seems to be the mindset for effective concurrency programming, and he gets that across well.What I like about this book is it's pragmatic but full of enough depth and advanced topics to have me re-reading it again and again. Yeah, there's basic ways to get the job done... create a cached thread pool with the right policy, some carefully designed classes, and some semaphores, and you're good to go! But he addresses those fringe topics when you need to specialize your concurrency goals and tweak things to be a certain way. I will probably be reading this book many times in the next few months until I have complete mastery over concurrency (and even then, that might be presumptuous to claim especially for a topic like concurrency).

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