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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.
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 List view is using the fruits array to display the contents as individual rows.
D. The id: \.self in the List view should be rewritten as id: /self

Question 2

Complete the code that will add the BlueView to the NavigationStack and present the RedView modally.

|Complete the code by typing in the boxes.

Question 3

Review the code snippet.

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

Question 4

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

Question 5

Review the code:

Given a struct called Animal, what line of code should be added on line 5 in order to produce the output shown?

A. Text(animals[animal].name)
B. Text(Animal.name)
C. Text(Animals[animal].name)
D. Text(animal.name)

Solutions: