How you define variables in swift?
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What is swift? How is it different from objective-c?
Does swift have abstract classes?
What is cocoa swift?
Can you explain any three-shift pattern matching techniques?
What is swift module?
Can you explain completion handler?
What is dependency injection in swift?
What is difference between xcode and swift?
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?
Mention what is the Floating point numbers and what are the types of floating number in Swift?
What is swift programming language?
What is the use of double question mark “??” In swift?