October 2023
Beginner
604 pages
13h 12m
English
Content preview from iOS 17 Programming for Beginners - Eighth Edition
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2
Simple Values and Types
Now that you have had a short tour of Xcode in the previous chapter, let’s look at the Swift programming language, which you will use to write your app.
First, you’ll explore Swift playgrounds, an interactive environment where you can type in Swift code and have the results displayed immediately. Then, you’ll study how Swift represents and stores various types of data. After that, you’ll look at some cool Swift features such as type inference and type safety, which help you to write code more concisely and avoid common errors. Finally, you’ll learn how to perform common operations on data and how to print messages to the Debug area to help you troubleshoot issues.
By the end of this chapter, you should be able to write ...
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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.