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  1. Categories >> Software >> Mobile OS >> Apple iOS Swift
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What is property observer in swift?

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More Apple iOS Swift Interview Questions

Can you make a property optional?

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What is the full meaning of swift?

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What is a function in swift?

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Explain functions?

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What is @objc in swift?

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What is swift programming?

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What is dynamic member lookup swift?

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What is the use of double question mark “??” In swift?

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What is closure in swift?

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Explain grand central dispatch (gdc).

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Mention what are the features of Swift Programming?

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The String struct doesn’t provide a count or length property or method to count the number of characters it contains. Instead a global countElements<T>() function is available. When applied to strings, what’s the complexity of the countElements function: O(1) O(n) and why?

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