Concurrent Programming in Java: Design Principles and by Doug Lea

By Doug Lea

During this moment version, you can find completely up-to-date assurance of the Java(tm) 2 platform and new or multiplied insurance of:* reminiscence version * Cancellation * transportable parallel programming * software periods for concurrency controlThe Java platform presents a wide and strong set of APIs, instruments, and applied sciences. one in every of its strongest services is the integrated help for threads. This makes concurrent programming an enticing but difficult alternative for programmers utilizing the Java programming language.This e-book indicates readers easy methods to use the Java platform's threading version extra accurately by means of assisting them to appreciate the styles and tradeoffs linked to concurrent programming.You will how to start up, regulate, and coordinate concurrent actions utilizing the category java.lang.Thread, the key phrases synchronized and unstable, and the equipment wait, notify, and notifyAll. additionally, you will discover certain insurance of all elements of concurrent programming, together with such subject matters as confinement and synchronization, deadlocks and conflicts, state-dependent motion keep watch over, asynchronous message passing and keep an eye on circulate, coordinated interplay, and structuring web-based and computational services.The publication pursuits intermediate to complex programmers drawn to gaining knowledge of the complexities of concurrent programming. Taking a layout trend method, the e-book deals usual layout thoughts for growing and enforcing parts that remedy universal concurrent programming demanding situations. the various code examples all through aid make clear the subtleties of the concurrent programming strategies mentioned.

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Additional info for Concurrent Programming in Java: Design Principles and Pattern

Example text

The most useful measurements are comparative, showing differences or trends under different designs, loads, or configurations. 4 Reusability A class or object is reusable to the extent that it can be readily employed across different contexts, either as a black-box component or as the basis of white-box extension via subclassing and related techniques. The interplay between safety and liveness concerns can significantly impact reusability. It is usually possible to design components to be safe across all possible contexts.

Most presentations of constructions and design patterns later in this book include descriptions of how they resolve applicable forces discussed here (as well as others that are less directly tied to concurrency, such as accuracy, testability, and so on). One can take two complementary views of any OO system, object-centric and activity-centric: Under an object-centric view, a system is a collection of interconnected objects. But it is a structured collection, not a random object soup. Objects cluster together in groups, for example the group of objects comprising a ParticleApplet, thus forming larger components and subsystems.

Because concurrent programs tend to include more in-the-small policy decisions than sequential ones, and because they tend to rely more heavily on invariants surrounding particular representation choices, classes involving concurrency constructs often turn out to require special attention in order to be readily extensible. 3. However, some other programming techniques needlessly restrict extensibility for the sake of performance. These tactics become more questionable as compilers and JVMs improve.

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