Test your knowledge

1. Objects are also known as:
   1. Classes
   2. Subclasses
   3. Instances

2. The code specified in a method within a class:
   1. Cannot access the properties specified in the class
   2. Can access the properties specified in the class
   3. Cannot interact with other members of the class

3. A subclass:
   1. Inherits all members from its superclass
   2. Inherits only methods from its superclass
   3. Inherits only properties from its superclass

4. The variables defined in a class to encapsulate data for each instance of the class in Swift are known as:
   1. Subclasses
   2. Properties
   3. Methods

5. The functions defined in a class to encapsulate behavior for each instance of the class are known as:
   1. Subclasses
   2. Properties
   3. Methods

6. Which of the following conventions is appropriate for enumeration values in Swift 3:
   1. lowerCamelCase
   2. UpperCamelCase
   3. ALL UPPERCASE

7. Which of the following class names follow the PascalCase convention, also known as the UpperCamelCase convention, and would be an appropriate name for a class in Swift 3:
   1. regularHexagon
   2. RegularHexagon
   3. Regularhexagon

8. Which of the following method names would be appropriate for a non-mutating method that returns the calculated perimeter for a square in Swift 3, considering the API design guidelines:
   1. calculatedPerimeter
   2. calculatePerimeter
   3. calculateThePerimeter

9. Which of the following method names would be appropriate for a mutating method that saves the calculated perimeter of an instance's property for a square in Swift 3, considering the API design guidelines:
   1. calculatedPerimeter
   2. calculatePerimeter
   3. calculatingPerimeter