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

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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.

When entered into the TextField, which number will display a blue canvas on the SecondView?

A. 1
B. 3
C. 4
D. 2

Question 2

What is the code snippet an example of?

A. Optional binding
B. Force unwrapping
C. Optional chaining
D. Implicitly unwrapped optional

Question 3

Review the code snippet and identify what happens when the program is executed.

A. Only menu items including " Burger " . " Chicken " . " Pasta " . " Salad " are printed.
B. The for loop prints all the menu items in the array.
C. Only menu items including " Pizza " . " Burger " , " Chicken " . " Pasta " . " Salad " are printed.
D. Only menu items including " Burger " . " Chicken " . " Pasta " . " SaJad " . " Steak " are printed.

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

Question 5

Review the code snippet.

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

Solutions: