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

SectionObjectives
Topic 1: Xcode Developer Tools- Use debugging techniques including, but not limited to, breakpoints, watchpoints, and logging to resolve errors
  • 1. Set breakpoints and step through code line by line
- Demonstrate how to build and run an app
  • 1. on the iOS simulator
  • 2. on the iOS device
- Identify and use the features of the Xcode interface
  • 1. Navigate Xcode
  • 2. Demonstrate how to access documentation and help
  • 3. Create and modify views with Interface Builder
Topic 2: Swift Programming Language- Use functions
  • 1. Customize internal, external, and anonymous naming of parameters in functions
  • 2. Implement default parameter values
  • 3. Create and call a function
  • 4. Organize and structure code
  • 5. Demonstrate how to use a function's return value
- Evaluate variable scope and shadowing
- Demonstrate the use of Optional types
  • 1. Apply Optional binding and Optional chaining (including but not limited to if let, guard let)
  • 2. Demonstrate how to unwrap Optionals safely
- Know how and when to apply control flow and loops
  • 1. Use Guard
  • 2. Use logical operators
  • 3. Use range operators
- Demonstrate proper use of structs, classes
  • 1. Differentiate between structures and classes
  • 2. Define and use property observers
  • 3. Differentiate between various initializers
  • 4. Define and use properties and methods
- Manage data using collection types
  • 1. Dictionaries
  • 2. Arrays
- Declare and use basic Swift types
  • 1. Interpret and use basic types
  • 2. Describe and use data types and operators
  • 3. Demonstrate when to use constants and variables
  • 4. Demonstrate the use of type casting in both safe and unsafe ways
Topic 3: View Building with SwiftUI- Extract Subviews to simplify the structure of an overlarge View
- Create multiple Views to implement app logic
- Use @State, @Binding, @Environment, and/or Observable to share data between Views
- Create a multi-view app with navigation Stacks, Links, and/or Sheets
- Position and/or layout a single SwiftUI View with standard Views and modifiers
- Use List Views to iterate through collections

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Apple App Development with Swift Certified User Exam Sample Questions (Q11-Q16):

NEW QUESTION # 11
Review the code.
var capitalCities = [ " USA " : " Washington D.C. " , " Spain " : " Madrid " , " Peru " : " Lima " ] Which two statements add the capital city of " Italy " to the dictionary? (Choose 2.)

Answer: A,C


NEW QUESTION # 12
Which property wrapper allows you to read data from the system or device settings?

Answer: A

Explanation:
Comprehensive and Detailed Explanation From App Development with Swift domains:
This question belongs to View Building with SwiftUI , specifically the objective about using property wrappers such as @State, @Binding, and @Environment to manage and share data between views.
The correct answer is @Environment because it is used to read values provided by the system or the surrounding view environment. These values can include device-related or system-provided information such as size classes, color scheme, locale, and dismiss actions. In SwiftUI, @Environment gives a view access to contextual information that it does not own directly, but which is supplied by the framework or ancestor views.
The other options are not correct for this purpose:
* @State is used for local mutable state owned by the current view.
* @Binding is used to create a two-way connection to state owned elsewhere, usually in a parent view.
* @StateObject is used to create and own an observable reference-type object for the lifetime of the view.
So if you want a SwiftUI view to read data coming from system or device settings, the correct property wrapper is @Environment .


NEW QUESTION # 13
Review the code snippet and then predict the output.

Answer: A

Explanation:
This question belongs to Swift Programming Language , especially the domains covering control flow , loops , logical operators , and guard . The loop runs through 0.. < max, and since max = 101, the values of num are 0 through 100. Inside the loop, the guard statement keeps only values that satisfy both conditions:
* num % 5 == 0 # the number must be divisible by 5
* num % 2 != 0 # the number must be odd
So the code counts numbers from 0 to 100 that are odd multiples of 5 . Those values are:
5, 15, 25, 35, 45, 55, 65, 75, 85, 95
That gives a total of 10 numbers. Therefore count becomes 10, and the printed output is:
Total count: 10
The key Swift concept here is that guard ... else { continue } skips any loop iteration that does not meet the required condition. Only matching values reach count += 1. This is a standard use of guard for early exit and of the remainder operator % for divisibility checks. Therefore, the correct answer is B .


NEW QUESTION # 14
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?

Answer: A

Explanation:
This question belongs to View Building with SwiftUI , specifically the domain on extracting subviews to simplify the structure of an overlarge View .
When you create a custom SwiftUI view and add a stored property like:
let text: String
that property becomes part of the view's initializer. Since the property name is text, Swift expects you to pass the value using the parameter label text: when creating the view. So the correct call is:
BigGreenTextView(text: " That ' s all folks " )
That makes B the correct answer.
Why the others are wrong:
* A is incorrect because this is not using the expected parameter label.
* C would only be correct if there were already another variable named text in the calling scope and you wanted to pass that variable instead of the literal string shown in the question.
* D is incorrect because it omits the parameter label.
This is a standard SwiftUI pattern: extract reusable formatting into a separate custom View, give it an input property, and then pass the needed value through the initializer using the property label.


NEW QUESTION # 15
Which two statements about building an app are true? (Choose 2.)

Answer: A,D

Explanation:
Comprehensive and Detailed Explanation From App Development with Swift domains:
This question belongs to Xcode Developer Tools , especially the objectives about using the Xcode interface, building and running an app, and debugging. A is true because Xcode supports SwiftUI previews in the canvas, allowing you to see a view's interface directly in Xcode without fully launching the entire app in the normal run workflow. Apple's documentation states that Xcode can display a preview of a custom SwiftUI view in the preview canvas and keep it updated as you make code changes.
D is also true because when you run an app from Xcode on a device, Xcode opens a debugging session in the debug area. Apple explicitly documents that after a successful build, Xcode runs the app and opens a debugging session, which means you can view debug information while the app is running on the phone.
The other options are false. B is false because a phone does not have to be physically attached at all times; modern Xcode workflows support device pairing and wireless development after setup. C is false because Generic iOS Device is not an actual simulator run target for launching the app like a specific simulator device. E is false because you do not need a paid Apple Developer Program membership merely to run an app on your own device for development; Apple provides support for development testing on devices with the required setup such as pairing and Developer Mode.


NEW QUESTION # 16
......

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