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Swift MCQ

Swift Quick Quiz

Question 1 of 10

  • Objective-C nullable properties will appear as __ properties when imported to Swift project.

    Answer & Explanation

    Correct Answer: optional

    Note: This Question is unanswered, help us to find answer for this one

  • What enumeration feature allows them to store case-specific data? (Question does not make that much sense though. )

    Answer & Explanation

    Correct Answer: Associated values

    Note: This Question is unanswered, help us to find answer for this one

  • What does Swift compile to?

    Answer & Explanation

    Correct Answer: Machine Code

    Note: This Question is unanswered, help us to find answer for this one

  • What is the value of y? var x: Int? let y = x ?? 5

    Answer & Explanation

    Correct Answer: 5

    Note: This Question is unanswered, help us to find answer for this one

  • NSOperationQueue conforms to

    Answer & Explanation

    Correct Answer: None

    Note: This Question is unanswered, help us to find answer for this one

  • Swift allows you to write semicolons at the end of statement.

    Answer & Explanation

    Correct Answer: True

    Note: This Question is unanswered, help us to find answer for this one

  • What is the type of this function? func add(a: Int, b: Int) -> Int { return a+b }

    Answer & Explanation

    Correct Answer: (Int, Int) -> Int

    Note: This Question is unanswered, help us to find answer for this one

  • Closures capture ____ reference of objects by default

    Answer & Explanation

    Correct Answer: Strong

    Note: This Question is unanswered, help us to find answer for this one

  • In Apple Swift, which of the following variables and constants are computed lazily?

    Answer & Explanation

    Correct Answer: Global variables

    Note: This Question is unanswered, help us to find answer for this one

  • When is deinit called?

    Answer & Explanation

    Correct Answer: All of these answers

    Note: This Question is unanswered, help us to find answer for this one

  • Swift Quick Quiz
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    Correct Answers: 0/10

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Swift MCQs | Topic-wise

MCQ on Basic Swift General Swift MCQs

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More Resources
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