Kotlin for Java Developers
Packt Publishing Limited (Verlag)
978-1-83588-482-9 (ISBN)
Key Features
Learn Kotlin by drawing direct comparisons to core Java concepts
Understand null safety, coroutines, extension functions, and DSLs through practical examples
Use Kotlin confidently in backend, Android, and cross-platform development
Purchase of the print or Kindle book includes a free PDF eBook
Book DescriptionThis book is a hands-on programming guide for Java developers who want to gain practical, production-ready knowledge of Kotlin. Whether you’re maintaining Java systems or adopting Kotlin for Android, backend, or cross-platform projects, it will help you bridge the gap by building on your existing understanding of Java’s syntax and design principles.
You’ll begin by learning why Kotlin was created and how it improves on Java – exploring types, expressions, control flow, and null handling while mapping each concept to familiar Java constructs. Each topic is introduced with clear purpose, showing how Kotlin’s concise syntax, safety features, and expressive APIs lead to cleaner, more maintainable code.
As you progress, you’ll master object-oriented and functional programming, extension functions, smart casting, and interoperability with Java. The second half of the book dives into generics, data and sealed classes, coroutines for concurrency, and DSL design – demonstrating when and why to use these features to build scalable, elegant solutions.
By the end, you’ll not only write idiomatic Kotlin but also understand the reasoning behind its design, enabling you to craft modern, reliable applications with confidence.What you will learn
Write Kotlin programs using variables, functions, and control flow
Model real-world data with classes, properties, and constructors
Handle missing data safely with nullable types and safe calls
Simplify logic using lambdas and extension functions
Work with Kotlin collections and sequences to process data efficiently
Use Kotlin with Java, Gradle, and Maven for seamless project builds
Write non-blocking code using coroutines and Async flows
Create custom DSL for your projects
Who this book is forThis book is for software developers who are proficient in Java and want to learn Kotlin for professional application development. It’s especially relevant for Android engineers, JVM backend developers, and full-stack programmers who maintain or extend Java systems. Familiarity with core Java syntax and object-oriented programming is expected.
José Dimas Luján has 15 years of experience as a software developer, mobile developer, Android, iOS, Flutter, as well as Tech Lead, for different companies around the world developing more than 500 applications for mobile devices. In addition, he has more than 7 development books and at the same time taught classes at more than 25 universities throughout Latin America on programming, mobile development, electronic business, and development of technological projects. He has been working for the last 10 years with technologies such as Java, Kotlin, Python, Rust, Dart, mostly oriented to mobile development. With the clear idea that sharing what he knows is learning twice. Ron Veen is a seasoned software engineer with over 20 years of experience in the JVM and Java ecosystem. An Oracle Certified Java Programmer and a certified Sun Business Component Developer, he has worked across domains from mainframes to microservices. A Java enthusiast with a keen interest in Kotlin, Ron serves as a Special Agent and Lead Developer at Team Rockstars IT and speaks regularly at international conferences. He is the author of books on Java Cloud-native migrations with Jakarta EE and on advanced concurrency topics such as Virtual Threads, Structured Concurrency, and Scoped Values.
Table of Contents
An Introduction to Kotlin and Its Basic Types
Interoperability, Gradle, and Maven
Null and Non-Nullable Types
Extension Functions and the Apply Function
Object-Oriented Programming Basics
Generics and Variance
Data and Sealed Classes
Basics of Functional Programming
Lambda
Collections and Sequences
Coroutines
Synchronous and Asynchronous Programming
Kotlin Testing
Domain-Specific Languages in Kotlin
| Erscheinungsdatum | 24.06.2025 |
|---|---|
| Verlagsort | Birmingham |
| Sprache | englisch |
| Maße | 191 x 235 mm |
| Themenwelt | Informatik ► Programmiersprachen / -werkzeuge ► Java |
| Informatik ► Software Entwicklung ► Mobile- / App-Entwicklung | |
| ISBN-10 | 1-83588-482-2 / 1835884822 |
| ISBN-13 | 978-1-83588-482-9 / 9781835884829 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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