2 Functional programming in Kotlin: An overview
In this chapter
- Declaring and initializing fields and variables
- Kotlin’s classes and interfaces
- Kotlin’s two types of collections
- Functions (and control structures)
- Handling nulls
In this chapter, I provide a quick overview of the Kotlin language. I assume that you know a bit (at least) of Java, so I stress the differences between the two languages. The intent is not to teach you Kotlin. You’ll find other books for this. If you need an in-depth coverage of Kotlin, I recommend you read Dmitry Jemerov and Svetlana Isakova’s Kotlin in Action (Manning, 2017).
This chapter gives you a first glimpse of what to expect from Kotlin. Don’t try to remember everything. Look at some of the astounding features ...
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