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Full Description
Master Java's most significant concurrency upgrade with hands-on problems that build skill and confidence
Key Features
Solve 150+ problems that deepen your understanding of Project Loom
Explore structured concurrency, scoped values, and virtual threads in depth
Build modern, high-performance Java applications using practical design patterns
Book DescriptionTackling concurrency in Java has historically been complex, inefficient, and difficult to reason about—until now. This book guides you through Java's modern concurrency revolution introduced by Project Loom. Through over 150 real-world problems, you'll build deep expertise in virtual threads, structured concurrency, and scoped values, equipping you to write performant, maintainable, and scalable concurrent applications.
Using a problem-solution approach, this book encourages active learning as you develop, test, and refine your solutions while gaining insight into the trade-offs behind different concurrency decisions. You'll move from foundational concepts and API mechanics to internal workings, advanced design patterns, and complete case studies, making this the ideal reference to keep on your desk. Written by Anghel Leonard, a Java expert and prolific technical author, this book distills years of research and real-world experience into a comprehensive and approachable guide for modern Java concurrency.
By the end of this book, you'll master modern Java concurrency by solving real-world problems and applying proven multithreading design patterns effectively.What you will learn
Understand the goals and inner workings of Project Loom
Work confidently with virtual threads and structured concurrency
Apply scoped values to manage thread-local state safely
Combine virtual threads with existing Java APIs and Executors
Monitor and trace concurrency behavior for observability
Refactor legacy concurrent code using modern techniques
Solve concurrency design challenges with practical patterns
Implement robust real-world solutions for high-throughput systems
Who this book is forJava developers who want to master Project Loom and write modern concurrent applications. This book also supports those preparing for Java job interviews or upgrading legacy systems. Prior experience with Java multithreading is recommended.
Contents
Table of Contents
Hooking platform threads pitfalls
Introducing Virtual Threads
Combining Virtual Threads and Executors
Examining how Virtual Threads work internally
Tackling unstructured concurrency
Hooking Structured Task Scope
ThreadLocal vs ScopedValues
Structured Concurrency and Executors
Observability
Futures and Promises
Executors, Semaphores, Locks, Barriers, Atomics
Producer/Consumer, Thread Pools, Fork/Join, Objects
Completable Futures, Reactive Streams
