最新のApp-Development-with-Swift-Certified-User問題集で試験を準備する

Apple App-Development-with-Swift-Certified-User 試験概要:

Apple App-Development-with-Swift-Certified-User 試験シラバストピック:

Apple App Development with Swift Certified User 認定 App-Development-with-Swift-Certified-User 試験問題：

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

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

3. Complete the code that conforms to the View protocol by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct answer.

4. Review the code.

You need to add the word " Great! " to the Capsule shape.
Complete the code by typing in the boxes.

5. Review the code snippet.

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

質問と回答：