How could we extend String to conform to protocol MyProtocol? Answers:

Which keyword do you use to define a protocol?

Which of these statements declares cityArray as a mutable array?

Which of these collection types is not included by default in standard Swift?

What happens when Swifts String, Array, and Dictionary objects are assigned to a new constant or variable?

What is the most basic difference between Value and Reference types?

What are the Numeric Integer Literals?

Correct answer for Enumerations?

How to extract a string from URL data?

Which statements are true about Tuple?

In Swift, what are the benefits of classes?