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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 snippet.

The " faces " dictionary contains emojis and their descriptions.
Which code will create an array named " emo)is " that will copy all the emojis from the " faces " dictionary?

A. let emojis - List(faces.koys())
B. let emojis List(faces.values())
C. let emojis - Array(faces.values)
D. let emojis = Array(faces.keys)

Question 2

Review the code.
struct ContentView: View {
let fruits = [ " Apple " , " Banana " , " Kiwi " ]
var body: some View {
List(fruits, id: \.self) { fruit in
Text(fruit)
.font(.headline)
.padding()
}
}
}
Which of the following statements is true about the code?

A. KeyPaths are used here to extract the font and padding properties dynamically.
B. The id: \.self in the List view is not necessary and may be omitted.
C. The id: \.self in the List view should be rewritten as id: /self
D. The List view is using the fruits array to display the contents as individual rows.

Question 3

Review the code snippet.

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

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

Question 4

You have a set of Views within a ZStack that produce the screen below:

Arrange the lines of code that will make up the ZSlack so that the View appears as shown.

Question 5

You need to create a Watchpoint in Xcode. In which order should you complete the actions? Move all the actions to the answer area and place them in the correct order.

Solutions: