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

SectionObjectives
Swift Programming Language- Demonstrate proper use of structs, classes
  • 1. Define and use property observers
  • 2. Differentiate between various initializers
  • 3. Define and use properties and methods
  • 4. Differentiate between structures and classes
- Declare and use basic Swift types
  • 1. Interpret and use basic types
  • 2. Demonstrate when to use constants and variables
  • 3. Describe and use data types and operators
  • 4. Demonstrate the use of type casting in both safe and unsafe ways
- Use functions
  • 1. Customize internal, external, and anonymous naming of parameters in functions
  • 2. Create and call a function
  • 3. Demonstrate how to use a function's return value
  • 4. Implement default parameter values
  • 5. Organize and structure code
- Evaluate variable scope and shadowing
- Manage data using collection types
  • 1. Arrays
  • 2. Dictionaries
- 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)
- Know how and when to apply control flow and loops
  • 1. Use Guard
  • 2. Use logical operators
  • 3. Use range operators
Xcode Developer Tools- Demonstrate how to build and run an app
  • 1. on the iOS device
  • 2. on the iOS simulator
- 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
- 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
View Building with SwiftUI- Use @State, @Binding, @Environment, and/or Observable to share data between Views
- Create multiple Views to implement app logic
- Extract Subviews to simplify the structure of an overlarge View
- Use List Views to iterate through collections
- 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

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Apple App Development with Swift Certified User Exam Sample Questions (Q15-Q20):

NEW QUESTION # 15
Drag the views on the left to the correct locations m the code on the fight to match the shown canvas.
You may use each View once, more than once, or not at all.

Answer:

Explanation:

Explanation:
* RedCircleView()
* GreenTriangleView()
* BlueSquareView()
* BlueSquareView()
* GreenTriangleView()
This question belongs to View Building with SwiftUI , specifically arranging views with HStack , VStack , and ZStack . In SwiftUI, an HStack lays views out horizontally, a VStack lays them out vertically, and a ZStack overlays views front-to-back. Apple's stack layout guidance describes these three containers exactly this way.
To match the canvas, the main HStack must show three items from left to right: a red circle , a green triangle
, and then a right-side vertical group. That means the first two blanks inside HStack are RedCircleView() and GreenTriangleView(). On the right side, the VStack shows a blue square on top, so the next blank is BlueSquareView(). Under that, the lower-right shape is made by layering a green triangle on top of a blue square , which means the ZStack must contain BlueSquareView() first as the background and GreenTriangleView() second as the foreground. SwiftUI's documentation notes that ZStack aligns and overlays its children in depth order, which is why the square goes before the triangle.
So the correct placement order is:
HStack {
RedCircleView()
GreenTriangleView()
VStack {
BlueSquareView()
ZStack {
BlueSquareView()
GreenTriangleView()
}
}
}
That arrangement reproduces the exact layout shown in the canvas.


NEW QUESTION # 16
Which two statements about building an app are true? (Choose 2.)

Answer: B,C


NEW QUESTION # 17
Select the location to set this app to run on an iPhone 14 in the simulator.

Answer:

Explanation:

Explanation:

This question belongs to Xcode Developer Tools , specifically the domain for building and running an app on the iOS simulator . In Xcode, the place where you choose whether the app runs on a simulator or a connected device is the run destination / scheme destination selector in the toolbar. This control appears near the top center of the Xcode window and displays the current destination, such as a simulator model or device target. To run the app on iPhone 14 , you click that selector and choose iPhone 14 from the available simulator list. Apple's Xcode documentation describes choosing a run destination before building and running the app in Simulator or on a device.
So, for the hotspot, the correct place is the device/simulator dropdown in the top toolbar , not the preview canvas controls, not the project navigator, and not the code editor. That selector determines where the app launches when you press Run.


NEW QUESTION # 18
Review the code snippet.

What is the value of answer after you run the code?

Answer:

Explanation:
4
Explanation:
This question belongs to Swift Programming Language , specifically the domains covering control flow , loops , and range operators .
The code starts with:
var count = 0
var answer = 0
So both variables begin with the value 0.
In the first loop:
for index in 1...5 {
count = index
}
the closed range 1...5 includes 1, 2, 3, 4, and 5 . During each iteration, count is updated to the current value of index. After the loop finishes, the final value assigned to count is 5 .
Then the second loop runs:
for index in 1.. < count {
answer = index
}
Here, the half-open range 1.. < count means values starting at 1 up to, but not including , count. Since count is 5, this loop runs with index equal to 1, 2, 3, and 4 . Each time through the loop, answer is updated to the current index. After the last iteration, answer becomes 4 .
So the final value of answer is 4 . This question tests understanding of the difference between the closed range operator ... and the half-open range operator .. < , which is a key Swift control-flow concept.


NEW QUESTION # 19
Review the code snippet.

The " faces " dictionary contains emojis and their descriptions.
Which code will create an array named " emo)is " that will copy all the emojis from the " faces " dictionary?

Answer: D

Explanation:
This question belongs to Swift Programming Language , specifically the objective on managing data using collection types , including dictionaries and arrays . In the dictionary shown, the emojis are the keys and the text descriptions are the values . Swift provides a keys property on dictionaries that returns a collection containing all dictionary keys. To convert that keys collection into an array, you use the Array(...) initializer.
Therefore, the correct code is let emojis = Array(faces.keys). Apple documents both the Dictionary.keys property and the Array type used to store a sequence of values of the same type.
Option B is incorrect because faces.values would return the descriptions like " grinning " , " thinking " , and " happy " , not the emoji keys. Options A and C are incorrect because List is a SwiftUI view type, not the correct collection type for creating an array from dictionary contents. Also, the dictionary interface uses properties like .keys and .values, not method calls like .keys() or .values(). Apple's dictionary documentation makes clear that keys is a property returning a collection of the dictionary's keys.


NEW QUESTION # 20
......

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