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

Apple App Development with Swift Certified User Sample Questions:

1. You have created a view which includes some formatted text:

You decide to extract this formatted text into a subview so that you can reuse the formatting for other texts.
You highlight the Text and choose Extract subview.
You refactor ExtractedView to BigGreenTextView.
You add the line let text: String to the extracted view above the body.
You replace " That ' s all folks " with a reference to text
How should you call this extracted View from the original View?

A) BigGreenTextView( " That ' s all folks " )
B) BigGreenTextView(text: " That ' s all folks " )
C) BigGreenTextView(text: text)
D) BigGreenTextView(text)

2. Review the code.
var capitalCities = [ " USA " : " Washington D.C. " , " Spain " : " Madrid " , " Peru " : " Lima " ] Which two statements add the capital city of " Italy " to the dictionary? (Choose 2.)

A) capitalCities[ " Italy " ] = " Rome "
B) capitalCities = capitalCities + [ " Italy " : " Rome " ]
C) capitalCities.updateValue( " Rome " , forKey: " Italy " )
D) capitalCities.append([ " Italy " : " Rome " ])
E) capitalCities[ " Rome " ] = " Italy "

3. Review the code snippet.

What will print after the final line of code is executed?

4. When you press ' Show Button ' on your app. a modal View appears.
Complete the code by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct answer.

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

Solutions: