January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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How it works…
In the preceding example, we were sure that we can only have two types of toasts: an error toast and a toast with a custom message. So we created a sealed class ToastOperation and created two subclasses of ToastOperation. Note that if we aren't sure of types of subclasses, we will not use a sealed class, in that case, an enum class might be better suited.
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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.