Includes index

PART 1. INTRODUCING KOTLIN -- Kotlin: What and why -- Kotlin basics -- Defining and calling functions -- Classes, objects and interfaces -- Programming with Lambdas -- Working with collections and sequences -- Working with nullable values -- Basic types, collections, and arrays -- PART 2. EMBRACING KOTLIN -- Operator overloading and other conventions -- Higher-order functions: Lambdas as parameters and return values -- Generics -- Annotations and reflections -- DSL construction -- Part 3. CONCURRENT PROGRAMMING WITH COROUTINES AND FLOWS -- Coroutines -- Structured concurrency -- Flows -- Flow operators -- Error handling and testing

Kotlin is a low-hassle, high-productivity programming language flexible enough to handle any web, mobile, cloud, and enterprise application. Java developers will appreciate the simple syntax, intuitive type system, excellent tooling, and support for functional-style programming. Plus, since Kotlin runs on the JVM, it integrates seamlessly with existing Java code, libraries, and frameworks, including Spring and Android. Kotlin in action, second edition adds coverage of coroutines, structured concurrency, and other powerful new features to this bestseller. Written by core members of the Kotlin language team, this authoritative guide provides invaluable techniques for using the Kotlin standard library, functional programming, and advanced features such as generics and reflection. Simply put, this is the most comprehensive and accurate book on Kotlin available