September 2019
Intermediate to advanced
462 pages
11h 3m
English
Content preview from Programming KotlinBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6Type Safety to Save the Day
The more statically typed a language is, the more readily it should ensure type safety, but without the need to excessively specify types. Kotlin works hard to make your code more type safe and less error prone with enhanced null checks, smart type casting, and fluent type checking. In this chapter, you’ll learn about a few basic types in Kotlin and the effective type checking capabilities built in to the compiler. We’ll also look at how Kotlin fails fast at compile time to prevent many errors from sneaking into runtimes—this will make your programming efforts more productive.
Can you imagine turning on the television and getting a NullPointerException? That happened to my friend Brian Sletten[21] after ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.