What is swift stand for?
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Can any be nil swift?
What are methods in 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?
Explain the usage of class and benefits of inheritance.
What are the most important features of swift?
What is subscript in swift?
What is observer in swift?
How do you make a swift bridging header?
Is swift worth learning 2019?
What are delegates swift 4?
Why does apple use swift?
Do loops swift?