January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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Working with delegated properties
Kotlin 1.1 brought many updates; one of the important ones was delegated properties. There are three types of delegated properties:
- lazy: Lazy properties are the ones evaluated first and the same instance is returned after them, much like a cache
- observable: The listener is notified whenever a change is made
- map: Properties are stored in the map instead of in every field
In this recipe, we will see how to work with these delegates. So let's get started.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.