Book Image

Mastering Kotlin

By : Nate Ebel
Book Image

Mastering Kotlin

By: Nate Ebel

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)
Free Chapter
1
Section 1: Kotlin – A Modern Solution to Application Development
4
Section 2: Putting the Pieces Together – Modeling Data, Managing State, and Application Architecture
8
Section 3: Play Nice – Integrating Kotlin With Existing Code
13
Section 4: Go Beyond – Exploring Advanced and Experimental Language Features
17
Section 5: The Wide World of Kotlin – Using Kotlin across the Entire Development Stack

Chapter 9: Baby Steps – Integration through Testing

  1. What are two common approaches for integrating Kotlin into an existing project?
  • Feature first
  • Tests first
  1. What are two advantages to incorporating Kotlin via a test-first approach?
  • It can test the interop experience between Java and Kotlin code.
  • It doesn't ship the new code to production.
  1. What is one drawback to incorporating Kotlin via a test-first approach?
  • You don't typically get to take full advantage of all Kotlin features.
  1. How does writing tests with multiple languages improve interop between Java and Kotlin?
  • It forces you to exercise your classes and APIs in whichever language they aren't written. This helps highlight pain points in the interop experience.
  1. What is one way to handle the testing of Kotlin classes that are final by default?
  • Using Mockito-Inline
  • Using the all-open compiler...