What are the collection types that are available in swift?


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More Apple iOS Swift Interview Questions

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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Explain what is optional chaining?

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What are floating point numbers? How many types of floating number are there?

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What is mvc architecture in swift?

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What is use of enum in swift?

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What are the various ways to unwrap an optional in swift?

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What are generics? How to make a method or variable generics in swift?

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What are the advantages of swift?

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What is Initialization ?

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What are the different collection types available in swift?

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Is equal to string swift?

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What is nsdictionary in swift?

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