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Apple App Development with Swift Certified User Sample Questions:

1. In SwiftUI, how can you extract a subview from a main view to make the code more modular?

A) Declare the subview as a variable inside the main view and call it directly.
B) Create a new SwiftUI view struct and call it in the main view.
C) Add the subview's code directly into the main view's body.
D) Use @State to manage subview content and use a binding to create a two-way connection.

2. Review the code snippet.

What is the output from each print statement?

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

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

4. Given the function definition, which two statements call the function correctly? (Choose 2.)

Based on the image provided, here is the text for each of the multiple-choice options:

A) D. schedule(name: " Jane Doe " , starting: " 9:30am " , ending: " 10:30am " , place: " Office " )
B) schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , place: " Office " )
C) schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , " Office " )
D) E. schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " )
E) schedule(who name: " Jane Doe " , from starting: " 9:30am " , to ending: " 10:30am " )

5. Match the Swift Properly Wrapper names to the correct descriptions.

Solutions: