What are structures in swift?


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More Apple iOS Swift Interview Questions

What is forced unwrapping?

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Explain grand central dispatch (gdc).

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Mention what is the Floating point numbers and what are the types of floating number in Swift?

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What is swift? How is it different from objective-c?

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What is data type in swift?

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

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What are swift categories?

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What is hashable in swift?

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Consider the following code: var defaults = NSUserDefaults.standardUserDefaults() var userPref = defaults.stringForKey("userPref")! printString(userPref) func printString(string: String) { println(string) } Where is the bug? What does this bug cause? What’s the proper way to fix it?

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What type of objects are basic data types in swift?

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Explain completion handler?

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What is difference between xcode and swift?

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