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Swift Tutorial · Swift Projects · Lesson 30 of 30

Swift Next Steps

Where to go after this tutorial: the Swift book, building iOS apps with SwiftUI, server-side Swift and related courses.

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What you've learned

Constants and variables, types and strings, control flow, functions, optionals, collections, structs and classes, enums, protocols and extensions, closures, generics, error handling, async/await, task groups, actors, ARC, property wrappers, Codable and Swift Testing.

Keep going

  • Read The Swift Programming Language at docs.swift.org.
  • Build an iPhone app: the iOS with SwiftUI course on this site covers layout, state, navigation, networking, persistence with SwiftData, concurrency and shipping to the App Store.
  • Try server-side Swift with Vapor or Hummingbird.
  • Turn on the Swift 6 language mode in a small project and fix what the data-race checks report.
Your journey so far
let topics = ["optionals", "structs", "enums", "protocols", "closures", "generics", "errors",
              "async/await", "actors", "Codable"]
print("You covered \(topics.count) core topics:")
print(topics.joined(separator: " -> "))

Output

You covered 10 core topics:
optionals -> structs -> enums -> protocols -> closures -> generics -> errors -> async/await -> actors -> Codable

Run this on your computer — see “Get Started” for setup.

Test yourself

Which Apple framework builds user interfaces declaratively in Swift?

  1. UIKit
  2. SwiftUI
  3. Core Data
  4. Jetpack Compose
Show answer

Answer: SwiftUI

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