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

SectionWeightObjectives
Topic 1: App Design and Best Practices15%- User experience principles
  • 1. Human Interface Guidelines
- Code organization
  • 1. Readability and maintainability
Topic 2: Swift Programming Fundamentals30%- Control flow
  • 1. Switch statements and pattern matching
  • 2. Conditional statements and loops
- Basic types and operators
  • 1. Data types, type inference and casting
  • 2. Constants and variables
- Collection types
  • 1. Arrays, dictionaries and sets
- Functions
  • 1. Definition, parameters and return values
  • 2. Parameter customization and default values
- Structures and classes
  • 1. Properties, methods and initializers
Topic 3: Development Environment15%- Building and running apps
  • 1. Deploying to physical devices
  • 2. iOS Simulator usage
- Debugging techniques
  • 1. Logging and error resolution
  • 2. Breakpoints and step-through execution
- Xcode interface and tools
  • 1. Navigating project structure
  • 2. Using documentation and help resources
Topic 4: SwiftUI Basics25%- State management
  • 1. Basic state properties
  • 2. Data flow between views
- Views and controls
  • 1. Built-in UI components
  • 2. Modifiers and styling
- Layout and navigation
  • 1. Stacks, grids and alignment
  • 2. Navigation patterns and presentation
Topic 5: Data Handling and Logic15%- Error handling
  • 1. Do-catch and optional handling
- Basic data processing
  • 1. Working with strings and numbers

Apple App Development with Swift Certified User Sample Questions:

Review the code snippet.

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

Reveal Solution  Discussion  0

Correct Answer:

Answer the question by typing in the box.
2
Explanation:
This question belongs to Swift Programming Language , specifically the objective on variable scope and shadowing .
The code first declares:
let even = 2
This creates a constant named even in the outer scope with the value 2.
Inside the for loop, the code declares another constant with the same name:
let even = num * 2
This inner even exists only inside the loop body. It shadows the outer even, which means that within the loop, the name even refers to the loop's local constant, not the original one. However, that inner constant goes out of scope at the end of each loop iteration.
After the loop finishes, the inner even no longer exists. So when the final line runs:
print(even)
Swift uses the original outer constant, which is still 2.
So the output is:
2
This question tests two important Swift concepts:
* Scope : where a variable or constant can be accessed
* Shadowing : when a local declaration temporarily hides another declaration with the same name Therefore, the correct answer is 2 .

Refer to this image to complete the code.

Note: You will receive partial credit for each correct answer

Reveal Solution  Discussion  0

Correct Answer:


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.

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

  • A. Only menu items including " Burger " . " Chicken " . " Pasta " . " Salad " are printed.
  • B. Only menu items including " Pizza " . " 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.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).

Review the code snippet.

The code snippet does not compile.
Which two actions will fix the errors? (Choose 2.)

  • A. Change the type of quantity from int to Double .
  • B. Change the initial value of totalCost from o to 0.0.
  • C. Change shipping from let to var to make it mutable.
  • D. Chang the type of unitPrice from Double to Int.
  • E. Change totalCost from let to var to make it mutable.
Reveal Solution  Discussion  0

Correct Answer: A,E  🗳️

Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).

Review the code snippet.

What value does the code output?

Reveal Solution  Discussion  0

Correct Answer:

Answer the question by typing in the box.
2
Explanation:
This question belongs to Swift Programming Language , specifically the objectives covering functions , control flow , and default parameter values . The function is declared as func getAgeCategory(_ age: Int =
20) - > Int, which means if no argument is supplied, Swift uses the default value 20. Apple's Swift documentation explains that you can define a default value for any parameter, and that value is used when the caller omits that argument. Since the code calls getAgeCategory() with no parameter, the function executes using age = 20.
The conditional logic is then evaluated in order:
* if age > 64 # false, because 20 is not greater than 64
* else if age > 19 # true, because 20 is greater than 19
* so the function returns 2
Because Swift's if / else if control flow stops at the first true condition, the later checks are never reached once age > 19 succeeds. Apple describes Swift as supporting standard control flow including conditional branching, and this example is a direct use of that branching behavior.
Therefore, print(getAgeCategory()) outputs 2 , which corresponds to option B .

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