[Solved] Identify the error in this ObservableObject class:class UserSettings: ObservableObject { @Published var username: String init() { username = "Guest" } } | iOS Swift

iOS Swift - State Management in SwiftUI

Identify the error in this ObservableObject class:

class UserSettings: ObservableObject {
  @Published var username: String

  init() {
    username = "Guest"
  }
}

ANo error; the code is correct.

BObservableObject cannot have initializers.

CThe @Published property must be optional.

DMissing default value for @Published property.

Step-by-Step Solution

Solution:

Step 1: Check @Published property initialization
The property username is initialized in the init(), which is valid.
Step 2: Confirm ObservableObject class rules
ObservableObject classes can have initializers and non-optional @Published properties.
Final Answer:
No error; the code is correct. -> Option A
Quick Check:
ObservableObject with init and @Published is valid [OK]

Quick Trick: ObservableObject classes can have initializers and non-optional @Published [OK]

Common Mistakes:

Master "State Management in SwiftUI" in iOS Swift

9 interactive learning modes - each teaches the same concept differently

More iOS Swift Quizzes

Identify the error in this ObservableObject class: