What are the collection types that are available 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?
Explain what is optional chaining?
What are floating point numbers? How many types of floating number are there?
What is mvc architecture in swift?
What is use of enum in swift?
What are the various ways to unwrap an optional in swift?
What are generics? How to make a method or variable generics in swift?
What are the advantages of swift?
What is Initialization ?
What are the different collection types available in swift?
Is equal to string swift?
What is nsdictionary in swift?