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Problems Questions Roles Skills Interview Contest Leaderboard

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Swift

Swift

7 practice items · needed by 1 role

Easy 4Medium 0Hard 3

Practice questions

Safely unwrapping a Swift optionaleasy
Swift struct assignment copieseasy
Swift class shared referenceeasy
Decoding JSON with extra keyseasy
Memory leak with a closurehard
unowned self in a network callbackhard
When a Swift array is copiedhard

🏆 Swift leaderboard

See who is top in Swift this week.

Roles that use Swift

Mobile App Developer7

Related skills

Memory Management Performance API Design Simulation Android Memory Architecture Layout React Hooks Testing Mobile Security Jetpack Compose

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