Swift perguntas e respostas de entrevista
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Pergunta 11. How does Swift handle error handling?
Swift uses a combination of 'try', 'catch', 'throw', and 'do' keywords for error handling using the Swift Error protocol.
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Pergunta 12. What is the 'guard' statement in Swift?
The 'guard' statement is used to transfer control out of a scope if certain conditions aren't met, ensuring that a set of requirements is satisfied.
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Pergunta 13. What is the Swift Codable protocol used for?
The Codable protocol is used for encoding and decoding data between Swift types and external data formats, such as JSON or Property Lists.
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Pergunta 14. Explain lazy loading in Swift.
Lazy loading is a technique in Swift where a property is not initialized until it's accessed for the first time.
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Pergunta 15. What is the purpose of the 'init?' initializer in Swift?
The 'init?' initializer is a failable initializer, which means it can return nil if the initialization fails.
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Mais uteis segundo os usuarios:
- What is Swift?
- Explain optionals in Swift.
- What is the difference between 'let' and 'var' in Swift?
- What are property observers in Swift?
- What is the purpose of the 'static' keyword in Swift?