Considering the following code, which statement is Correct:
let array1 = ["A", "B", "C"] var array2 = array1 array2.append("D")

How could we create a subclass of the Structure, CGRect?

Which is correct regarding optional form of the type cast operator (as?)?

How could one declare a Swift Array type that can store any type of class object?

How could we cast the following array into an NSArray that accesses the NSArray method:

What set of keywords is most commonly used to iterate over a collections of items?

Serialize and archive your custom types in Swift?

Stage when memory returned to stack or heap?

During which stage memory is taken from stack or heap?

Deallocation never happens due to ___

What is the typical byte width of Float data type in Swift?