Apple App Development with Swift Certified User : App-Development-with-Swift-Certified-User

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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:

Apple App Development with Swift Certified User Sample Questions:

Question 1

Review the code.
Note: You might need to scroll to see the entire block of code.

A breakpoint is set on line 3. When the application is run. it will stop at line 3. You need to debug the code.
Drag each debugging control from the left to the correct instruction on the right. You will receive partial credit for each correct answer

Question 2

Given the function definition, which two statements call the function correctly? (Choose 2.)

Based on the image provided, here is the text for each of the multiple-choice options:

A. E. schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " )
B. D. schedule(name: " Jane Doe " , starting: " 9:30am " , ending: " 10:30am " , place: " Office " )
C. schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , " Office " )
D. schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , place: " Office " )
E. schedule(who name: " Jane Doe " , from starting: " 9:30am " , to ending: " 10:30am " )

Question 3

Why does the initializer for the following struct need the keyword self?

A. self is always needed when you are setting properties in an initializer.
B. self is needed to distinguish between the property and the parameter with the same name.
C. self is used to indicate to the reader that the parameter is being referenced.
D. self is only needed when the property does not have a default value.

Question 4

Review the code.

You need to add the word " Great! " to the Capsule shape.
Complete the code by typing in the boxes.

Question 5

Review the code snippet.

Which statement completes the code snippet so that:
* The lastReleaseDate remains the same when nextApplePhone.releaseDate is nil.
* The lastReleaseDate updates to the nextApplePhone.releaseDate when nextApplePhone.releaseDate is NOT nil.

A. lastReleaseDate : nextApplcPhone.rcleaseDate!
B. nextApplePhone.releaseDate! : lastReleaseDate
C. nextApplePhone.releaseDate : lastReleaseDate
D. lastReleaseDate : nextApplePhone.releaseDate

Solutions: