Bird
0
0

Find the error in this Swift dictionary declaration:

medium📝 Debug Q7 of 15
iOS Swift - Swift Language Essentials
Find the error in this Swift dictionary declaration:
let capitals = ["France": "Paris", "Japan": Tokyo]
AKeys must be integers
BMissing quotes around Tokyo
CDictionary cannot be declared with let
DColon should be comma
Step-by-Step Solution
Solution:

  1. Step 1: Check dictionary value syntax

    All string values must be in quotes.

  2. Step 2: Identify missing quotes

    Tokyo is missing quotes, causing syntax error.

  3. Final Answer:

    Missing quotes around Tokyo -> Option B

  4. Quick Check:

    String values need quotes [OK]
Quick Trick: Always quote string keys and values [OK]
Common Mistakes:
  • Forgetting quotes on string values
  • Thinking keys must be Int
  • Using comma instead of colon

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More iOS Swift Quizzes
State Management in SwiftUI - @StateObject for observable objects - Quiz 9hard State Management in SwiftUI - @StateObject for observable objects - Quiz 5medium Swift Language Essentials - Protocols - Quiz 3easy SwiftUI Basics - Text view and modifiers - Quiz 5medium SwiftUI Basics - VStack, HStack, ZStack - Quiz 8hard SwiftUI Layout - List view basics - Quiz 10hard SwiftUI Layout - Grid layout (LazyVGrid, LazyHGrid) - Quiz 2easy SwiftUI Layout - Overlay and background modifiers - Quiz 8hard User Input and Forms - Why forms capture structured data - Quiz 2easy User Input and Forms - Slider - Quiz 3easy