Programming Kotlin

Chapter 7Objects and Classes

Kotlin is determined to make your code fluent, concise, and expressive, whether you’re writing procedural, functional, or object-oriented code. Kotlin doesn’t require classes, and you can work with top-level functions when they suffice. When object-oriented programming is the right design choice for your applications, Kotlin will get you moving fast in that direction without insisting on verbose boilerplate code to create classes. You can write classes with less effort, fewer lines of code, and with greater speed and ease.

Kotlin’s facility to create and work with classes and objects is more akin to the features in Scala than in Java. But Kotlin takes the low-ceremony approach further than Scala in a few ways. You ...