Programming in Swift: Fundamentals

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

Part 4: More Collections

28. Creating & Populating Dictionaries

Episode complete

Play next episode

Next
About this episode

Leave a rating/review

See forum comments
Cinema mode Mark complete Download course materials
Previous episode: 27. Introduction Next episode: 29. Accessing & Working with Dictionaries

Get immediate access to this and 4,000+ other videos and books.

Take your career further with a Kodeco Personal Plan. With unlimited access to over 40+ books and 4,000+ professional videos in a single subscription, it's simply the best investment you can make in your development career.

Learn more Already a subscriber? Sign in.

Notes: 28. Creating & Populating Dictionaries

Apple’s Swift Dictionary documentation: https://developer.apple.com/documentation/swift/dictionary

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

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

You’re ready to learn about another extremely useful collection type in Swift: dictionaries.

var emptyDictionary: [String: Int] = [:]
var namesAndPets = ["Ron": "🐀 Rat"]
var namesAndPets = ["Ron": "🐀 Rat", "Rincewind": "🛄 Luggage", "Thor": "🔨 Hammer", "Goku": "☁️ Flying Nimbus"]
print(namesAndPets)
namesAndPets.updateValue("🐶 Mango", forKey: "Chris")
namesAndPets["Calvin"] = "🐯 Tiger"
namesAndPets.updateValue("Owl", forKey: "Ron")
namesAndPets["Ron"] = "🦉 Owl"