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

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

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Apple App Development with Swift Certified User Exam Sample Questions (Q21-Q26):

NEW QUESTION # 21
Refer to this image to complete the code.

Note: You will receive partial credit for each correct answer

Answer:

Explanation:

Explanation:

This question belongs to View Building with SwiftUI , especially the objectives for using List views to iterate through collections and structuring views with standard SwiftUI containers. The screenshot shows two grouped sets of rows: one headed MY FRIENDS and one headed MY PETS . In SwiftUI, the correct container for a scrollable table-style presentation of rows is List, and the correct way to divide that list into labeled groups is Section. Apple documents List as a container that presents data in a single-column row- based layout, and Section as a way to organize list content into grouped areas with headers and optional footers. That is exactly the structure shown in the image. ( developer.apple.com , developer.apple.com ) The ForEach(names, id: \.self) and ForEach(pets, id: \.self) lines are already iterating through the arrays, so each ForEach should be wrapped inside a Section. The section labels such as " My Friends " and " My Pets
" are provided with the header: label. So the intended code structure is:
List {
Section {
ForEach(names, id: \.self) { name in Text(name) }
} header: {
Text( " My Friends " )
}
Section {
ForEach(pets, id: \.self) { pet in Text(pet) }
} header: {
Text( " My Pets " )
}
}
This matches the UI shown in the image and aligns directly with SwiftUI list and section composition patterns in App Development with Swift.


NEW QUESTION # 22
Which two statements about building an app are true? (Choose 2.)

Answer: C,E


NEW QUESTION # 23
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.

Answer:

Explanation:

Explanation:

This question belongs to Xcode Developer Tools , specifically the objective on using debugging techniques including breakpoints, watchpoints, and logging to resolve errors . A watchpoint monitors a variable or memory location during a debugging session, so you first need the program to stop while being debugged.
That is why the correct order begins with setting a breakpoint and then running the code so execution pauses at a useful point. Apple's debugging guidance describes debugging as something done at runtime using the debugger, and LLDB's watchpoint documentation explains that watchpoints are part of the debugger workflow rather than something you set before the program is stopped.
Once execution is paused, you use the debug area to inspect the current variables. After locating the variable you want to monitor, you right-click the variable and select Watch to create the watchpoint. This sequence is consistent with how Xcode and LLDB expose watchpoint functionality during an active debug session.
LLDB also describes watchpoints as objects you create to stop execution when a watched value changes, which only makes sense after the debugger has access to the running program state.


NEW QUESTION # 24
Which two statements about building an app are true? (Choose 2.)

Answer: C,E

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 # 25
Review the code snippet.

Move each item from the list on the left to the correct code segment on the right. You may use each item only once.
Note: You will receive partial credit for each correct response.

Answer:

Explanation:

Explanation:

This question belongs to Swift Programming Language , specifically the domain covering structs, properties, methods, and initializers .
A computed property does not store a value directly. Instead, it returns a value calculated from other data.
That is why description is a computed property: it returns a string based on content.
A memberwise initializer is automatically provided by Swift for structs when their stored properties are initialized through parameters. So Document(content: " Greetings! " ) is using the struct's memberwise initializer.
A type property belongs to the type itself rather than to an instance. In Swift, static var docCount = 0 is a type property because it is declared with static.
An instance method is a function that belongs to an instance of the struct or class. The display() method uses the instance's content, so it is an instance method.
A type method is a method declared with static and belongs to the type itself. So static func increment() is a type method because it changes the shared type property docCount.


NEW QUESTION # 26
......

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