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Can you make a property optional?
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Explain swift vs objective-c.
What is difference between any and anyobject in swift?
What is category in swift?
The String struct doesn’t provide a count or length property or method to count the number of characters it contains. Instead a global countElements<T>() function is available. When applied to strings, what’s the complexity of the countElements function: O(1) O(n) and why?
What are the advantages of swift?
What do you mean by optional chaining in swift?
Mention what are the collection types available 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?
What is cocoa swift?
Is swift a good language to learn?
What are the tools that are required to develop ios applications?
What are the different collection types available in swift?
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