How do you implement delegates in swift?
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How to convert nsmutablearray to swift array in swift?
List some control transfer statements used in swift?
What is a protocol in swift?
Swift defines the AnyObject type alias to represent instances of any reference type, and it’s internally defined as a protocol. Consider the following code: var array = [AnyObject]() struct Test {} array.append(Test()) This code generates a compilation error, with the following error message: Type 'Test' does not conform to protocol 'AnyObject' The failure is obvious because a struct is a value and not a reference type, and as such it doesn’t implement and cannot be cast to the AnyObject protocol. Now consider the following code: var array = [AnyObject]() array.append(1) array.append(2.0) array.append("3") array.append([4, 5, 6]) array.append([7: "7", 8: "8"]) struct Test {} array.append(Test()) The array array is filled in with values of type respectively int, double, string, array and dictionary. All of them are value types and not reference types, and in all cases no error is reported by the compiler. Why?
Explain what Lazy stored properties is and when it is useful?
What is nil in swift?
What is dynamic dispatch swift?
Is "swift" a good programming language? Explain
What are the collection types that are available in swift?
Explain some design patterns which we normally use during the app development.
What is encapsulation in swift?
Is swift written in c++?