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Mobile App Developer
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Swift

Mobile App Developer

Swift questions

7 questions on Swift for mobile app developers, easiest first.

Easy 4

Safely unwrapping a Swift optionaleasy
Swift struct assignment copieseasy
Swift class shared referenceeasy
Decoding JSON with extra keyseasy

Hard 3

Memory leak with a closurehard
unowned self in a network callbackhard
When a Swift array is copiedhard

More Mobile App Developer skills

Android 14 Performance 10 Mobile Security 8 Jetpack Compose 8 Flutter 7 React Native 7 Kotlin Coroutines 6 iOS 5 Swift Concurrency 5 Background Work 5 Networking 5 State 4 Swiftui 4 Push Notifications 4 Kotlin Flow 4

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