Mention what is the difference between Swift and ‘Objective-C’ language?
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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?
Is swift dynamic or static?
What is nsmutablearray in swift?
Why we use delegates in swift?
What is extension in swift?
Does swift have header files?
What is swift module?
What is optional binding?
Mention what are the type of integers does Swift have?
What are the control transfer statements in swift?
What is floating point number in swift? What are the different floating point numbers in swift?
What are the features of swift programming?