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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.
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

2. Complete the code by selecting the correct option from each drop-down list to create the following screen.

Note: You will receive partial credit for each correct answer.

3.
Which two assignments of a value to direction are allowed? (Choose 2.)

A) direction = CompassPoint(north)
B) direction = CompassPoint.north
C) direction = .north
D) direction = direction.north
E) direction = north

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

5. Review the code snippet.

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

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

Solutions: