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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:

Apple App Development with Swift Certified User Sample Questions:

1. Refer to this image to complete the code.

Note: You will receive partial credit for each correct answer

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

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

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

4. Review the code snippet.

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

5. What is the code snippet an example of?

A) Optional chaining
B) Force unwrapping
C) Implicitly unwrapped optional
D) Optional binding

Solutions: