December 2015
Intermediate to advanced
400 pages
13h 3m
English
Content preview from Swift Programming: The Big Nerd Ranch Guide
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Gold Challenge
The Monster class can be initialized with any String instance for the monsterName parameter, even an empty String. Doing so would lead to an instance of Monster with no name. Even though Frankenstein’s monster had no name, you want all of yours to be individually identified. Fix this problem in the Monster class by ensuring that monsterName cannot be empty.
Your solution will involve giving Monster a failable initializer. Also note that this change will have an impact on initialization in the Zombie subclass. Make the necessary adjustments in this class as well.
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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.