Could someone please help me with some Swift programming questions? Question 1 A

Question

Could someone please help me with some Swift programming questions?

Question 1

Any type that satisfies the requirements of a protocol is said to ____________ that protocol.

Question 2

If a class has a superclass, list the superclass name ____________ any protocols it adopts.

Question 3

A type can adopt more than one protocol at a time.

Question 4

Default values can be specified for method parameters within a protocol’s definition.

Question 5

Protocols cannot require specific initializers to be implemented by conforming types.

Question 6

Protocols are types. You can use a protocol in many places where types are allowed.

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.

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?

Question 9

A protocol cannot inherit from other protocols.

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.)

Explanation / Answer

Answer: 1) Conform to

To provide an actual implementation of those requirements classes , structure, or enumeration adopt the protocal the protocol.

Answer : 2) before,

because without listing the superclass name it will not be able to adopt its protocal.

Answer: 3) true

multipe protocal can be adopted by using the commas.

Answer: 4) Flase

specific instance methods are required by the protocals and also type methods are reuired so that there can be implemented by conforming types.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.