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

Apple App Development with Swift Certified User Sample Questions:

1. Review the code snippet.

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

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

3. Review the code snippet.

The code snippet does not compile.
Which two actions will fix the errors? (Choose 2.)

A) Change the type of quantity from int to Double .
B) Change the initial value of totalCost from o to 0.0.
C) Change totalCost from let to var to make it mutable.
D) Chang the type of unitPrice from Double to Int.
E) Change shipping from let to var to make it mutable.

4. For each statement about Navigation in SwiftUI. select True or False.

5. Which code correctly creates a size 300 rectangular Image View with rounded corners that displays the entire image, regardless of size?

A)

B)

C)

D)

Solutions: