Question
Could anyone please help with some Swift programming questions? Question 5 Protocols cannot require specific initializers to be implemented by conforming types. True False Question
Could anyone please help with some Swift programming questions?
Question 5
Protocols cannot require specific initializers to be implemented by conforming types.
True |
False |
Question 6
Protocols are types. You can use a protocol in many places where types are allowed.
True |
False |
Question 7
Delegation is a design pattern that enables a class or structure to hand off (or delegate) some of its responsibilities to an instance of another type.
True |
False |
Question 8
RestaurantsViewController is a class that has a superclass called UIViewController. RestaurantsViewController also adopts the protocols UITableViewDataSource and UITableViewDelegate. Which of the following is the correct way to declare the RestaurantsViewController class?
class RestaurantsViewController { } |
class RestaurantsViewController : UITableViewDataSource, UITableViewDelegate { } |
class RestaurantsViewController : UIViewController |
class RestaurantsViewController : UIViewController, UITableViewDataSource, UITableViewDelegate { } |
class RestaurantsViewController : UIViewController : UITableViewDataSource, UITableViewDelegate { } |
class RestaurantsViewController extends UIViewController implements UITableViewDataSource, UITableViewDelegate { } |
Question 9
A protocol cannot inherit from other protocols.
True |
False |
Question 10
The _________________ operator returns true if an instance conforms to a protocol and returns false if it does not. (See Checking for Protocol Conformance in The Swift Programming Language.)
as |
conforms |
is |
has |
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started