Programming in Swift: Fundamentals

Oct 19 2021 · Swift 5.5, iOS 15, Xcode 13

Part 2: Beginning Collections

10. Introduction

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Previous episode: 09. Conclusion Next episode: 11. Tuples

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Notes: 10. Introduction

Update Notes: The student materials have been reviewed and are updated as of October 2021.

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Hey everybody, I'm Chris. And welcome to the second section of the course beginning collections. Now, just like you can create collections of things in real life of objects or things that have something in common like stamps or cat figurines, you can create collections of pieces of data in Swift. You'll start by looking at one of the tiniest collections in Swift, which is known as a Tuple. Tuples are really handy ways to group different types of data, such as ints and strings. Then you'll learn about another simple, yet quite powerful collection Swift, which is the array. Arrays are really great ways to group similar things like a collection of strings or a collection of integers. You'll then learn about some really, really useful features of arrays, which you can use to quickly figure out the length of an array, what the first and last elements are, and even more features that will make your life much easier when working with arrays. And as always, I'll have a few challenges for you along the way to help you check your knowledge and get some great practice. Let's get started and we'll head straight into the next video.