__ can require that conforming types have specific instance properties, instance methods, type methods, operators, and subscripts?

Use func to declare a function. Call a function by following its name with a list of arguments in parentheses. Use -> to separate the parameter names and types from the function’s return type?

The example below defines two variables, movieCount and songCount, which count the number of Movie and Song instances in the library array?

Which keyword is used to define a constant?

This represents a Boolean value which is either true or false?

Which of the following is not a valid data type in Swift?

How to get userinfo from NSNotification in swift 3?

Protocols can be accessed as types in?

Swift has built-in support for checking _____ which ensures that you don’t accidentally use APIs that are unavailable on a given deployment target?

List out what are the control transfer statements used in Swift?

Swift Generics & Upcasting