Companion objects are an effective way to scope properties and methods to an enclosing class and to mimic the behavior of static properties and methods from Java. Unfortunately, the syntax for working with companion objects can be cumbersome when used from Java. In this section, we'll take a look at how to work effectively with companion objects.
Mastering Kotlin
By :
Mastering Kotlin
By:
Overview of this book
Using Kotlin without taking advantage of its power and interoperability is like owning a sports car and never taking it out of the garage. While documentation and introductory resources can help you learn the basics of Kotlin, the fact that it’s a new language means that there are limited learning resources and code bases available in comparison to Java and other established languages.
This Kotlin book will show you how to leverage software designs and concepts that have made Java the most dominant enterprise programming language. You’ll understand how Kotlin is a modern approach to object-oriented programming (OOP). This book will take you through the vast array of features that Kotlin provides over other languages. These features include seamless interoperability with Java, efficient syntax, built-in functional programming constructs, and support for creating your own DSL. Finally, you will gain an understanding of implementing practical design patterns and best practices to help you master the Kotlin language.
By the end of the book, you'll have obtained an advanced understanding of Kotlin in order to be able to build production-grade applications.
Table of Contents (25 chapters)
Preface
Free Chapter
Section 1: Kotlin – A Modern Solution to Application Development
A New Challenger Approaches
Programmers' Multi-Tool – Flexible, Expressive, and Concise
Section 2: Putting the Pieces Together – Modeling Data, Managing State, and Application Architecture
Understanding Programming Paradigms in Kotlin
First-Class Functions
Modeling Real-World Data
Section 3: Play Nice – Integrating Kotlin With Existing Code
Interoperability as a Design Goal
Crossing Over – Working across Java and Kotlin
Controlling the Story
Baby Steps – Integration through Testing
Section 4: Go Beyond – Exploring Advanced and Experimental Language Features
Practical Concurrency
Building Your Own Tools – Domain-Specific Languages (DSLs)
Fully Functional – Embracing Functional Programming
Section 5: The Wide World of Kotlin – Using Kotlin across the Entire Development Stack
Kotlin on Android
Kotlin and Web Development
Introducing Multiplatform Kotlin
Taming the Monolith with Microservices
Practical Design Patterns
Assessments
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