Scala Atomic Reference
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Learning Concurrent Programming in Scala
Author: Aleksandar Prokopec
language: en
Publisher: Packt Publishing Ltd
Release Date: 2017-02-22
Learn the art of building intricate, modern, scalable, and concurrent applications using Scala About This Book Make the most of Scala by understanding its philosophy and harnessing the power of multicores Get acquainted with cutting-edge technologies in the field of concurrency, through practical, real-world applications Get this step-by-step guide packed with pragmatic examples Who This Book Is For If you are a Scala programmer with no prior knowledge about concurrent programming, or seeking to broaden your existing knowledge about concurrency, this book is for you. Basic knowledge of the Scala programming language will be helpful. Also if you have a solid knowledge in another programming language, such as Java, you should find this book easily accessible. What You Will Learn Get to grips with the fundamentals of concurrent programming on modern multiprocessor systems Build high-performance concurrent systems from simple, low-level concurrency primitives Express asynchrony in concurrent computations with futures and promises Seamlessly accelerate sequential programs by using data-parallel collections Design safe, scalable, and easy-to-comprehend in-memory transactional data models Transparently create distributed applications that scale across multiple machines Integrate different concurrency frameworks together in large applications Develop and implement scalable and easy-to-understand concurrent applications in Scala 2.12 In Detail Scala is a modern, multiparadigm programming language designed to express common programming patterns in a concise, elegant, and type-safe way. Scala smoothly integrates the features of object-oriented and functional languages. In this second edition, you will find updated coverage of the Scala 2.12 platform. The Scala 2.12 series targets Java 8 and requires it for execution. The book starts by introducing you to the foundations of concurrent programming on the JVM, outlining the basics of the Java Memory Model, and then shows some of the classic building blocks of concurrency, such as the atomic variables, thread pools, and concurrent data structures, along with the caveats of traditional concurrency. The book then walks you through different high-level concurrency abstractions, each tailored toward a specific class of programming tasks, while touching on the latest advancements of async programming capabilities of Scala. It also covers some useful patterns and idioms to use with the techniques described. Finally, the book presents an overview of when to use which concurrency library and demonstrates how they all work together, and then presents new exciting approaches to building concurrent and distributed systems. Style and approach The book provides a step-by-step introduction to concurrent programming. It focuses on easy-to-understand examples that are pragmatic and applicable to real-world applications. Different topics are approached in a bottom-up fashion, gradually going from the simplest foundations to the most advanced features.
Scala Programming Essentials
"Scala Programming Essentials" "Scala Programming Essentials" is a comprehensive guide that expertly navigates the intricacies of modern Scala development. Bridging foundational concepts with cutting-edge features, this book demystifies the JVM landscape and places Scala at its forefront, equipping developers with a nuanced understanding of the language's core syntax, sophisticated type systems, and the principles of functional purity. Readers are introduced to advanced topics such as pattern matching, algebraic data types, robust collection libraries, and professional build tool management, ensuring a strong grasp of Scala’s most essential features for real-world applications. Building on this solid foundation, the book delves deeply into functional and object-oriented paradigms, presenting advanced patterns including higher-order functions, monads, functors, and applicatives. It explores Scala’s renowned implicit mechanisms and the powerful typeclass pattern to foster reusable, type-safe abstractions. Topics such as concurrent and parallel programming, metaprogramming with macros and higher-kinded types, and the integration of Scala’s capabilities with the broader Java ecosystem, are presented with clarity and practical insight, enabling readers to architect scalable and performant applications with confidence. Completing the journey, "Scala Programming Essentials" delivers actionable guidance on professional practices—covering thorough testing strategies with property-based testing, dependency management, CI/CD integration, and automated documentation. Readers are also guided through real-world ecosystem integration, from big data solutions with Spark to cross-platform development with Scala.js and Scala Native. The book concludes by addressing performance optimization, profiling, and anticipated trends in Scala, armed with case studies that highlight best practices and innovations, making it an indispensable reference for both seasoned engineers and aspiring Scala professionals.
Specs2 for Scala Development
"Specs2 for Scala Development" "Specs2 for Scala Development" is an authoritative guide dedicated to the rich practice of specification-based testing within the Scala ecosystem. Beginning with fundamental concepts, this book explores the theoretical underpinnings of specification-driven development, the expressiveness of Scala’s type system, and the unique philosophies that drive Specs2’s modular architecture. Through comparison with other leading testing libraries, real-world adoption case studies, and in-depth coverage of continuous integration alignment, readers will gain a deep understanding of how to employ Specs2 as the backbone for robust software quality in both greenfield and mature Scala projects. The book delivers comprehensive insights into every aspect of working with Specs2, from advanced build integration and dynamic configuration to the practicalities of writing elegant, reusable specifications. It systematically covers test scalability, parallel execution, and cross-platform strategies supporting Scala.js and native targets, ensuring relevance for both small projects and complex enterprise systems. Specialized chapters address styles of specification, integrating data-driven and property-based testing, modeling advanced matchers, handling concurrency and asynchronous behaviors, and delivering living documentation that bridges technical and stakeholder needs. Beyond foundational usage, "Specs2 for Scala Development" ventures into mock creation and isolation patterns—both natively and via third-party frameworks—while addressing resource management and integration test complexity. Readers are guided in extending Specs2 with custom plugins, test runners, metadata-driven execution, and instrumentation for traceability. Culminating in best practices, case studies, and strategies for maintaining test suite vitality and compliance, this book empowers software engineers, architects, and quality leads to deliver reliable Scala systems through modern, executable specification techniques.