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Apple App Development with Swift Certified User Sample Questions:

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

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 statements about building an app are true? (Choose 2.)

A) You can preview a View in the Canvas without running your app.
B) You can run your app in the simulator with Generic iOS Device chosen.
C) You need a paid Apple Developer account in order to run your app on your phone.
D) You can run an app on your phone and get debug information in Xcode.
E) Your phone must always be physically attached to your Mac to run your apps from Xcode on it.

4. For each statement about Navigation in SwiftUI. select True or False.

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: