そうでなければ、時代遅れになるリスクを負います。当社のApp-Development-with-Swift-Certified-User認定テストは、技術スキルを向上させ、さらに重要なこととして、厳しい労働環境で明るい未来のために戦う自信を高めるのに役立ちます。当社の専門家は、App-Development-with-Swift-Certified-User学習ツールの開発に多くの時間とエネルギーを費やしています。あなたは私たちを信頼し、あなたの将来の発展において私たちをあなたの正直な協力者にすることができます。参考までに、App-Development-with-Swift-Certified-User試験の利点をいくつかご紹介します。
| Section | Objectives |
|---|---|
| Topic 1: Swift Programming Language | - Demonstrate proper use of structs, classes
- Know how and when to apply control flow and loops
|
| Topic 2: View Building with SwiftUI | - Position and/or layout a single SwiftUI View with standard Views and modifiers - Use @State, @Binding, @Environment, and/or Observable to share data between Views - Extract Subviews to simplify the structure of an overlarge View - Create multiple Views to implement app logic - Use List Views to iterate through collections - Create a multi-view app with navigation Stacks, Links, and/or Sheets |
| Topic 3: Xcode Developer Tools | - Demonstrate how to build and run an app
|
>> App-Development-with-Swift-Certified-User入門知識 <<
たくさんの人はApple App-Development-with-Swift-Certified-User「App Development with Swift Certified User Exam」認証試験を通ることが難しいと思います。もし弊社の問題集を勉強してそれは簡単になります。弊社はオンラインサービスとアフターサービスとオンラインなどの全面方面を含めてます。オンラインサービスは研究資料模擬练習問題などで、アフターサービスはPassTestが最新の認定問題だけでなく、絶えずに問題集を更新しています。
質問 # 37
You are creating or updating human resource records for your employees. For each identifier, select whether it is a Constant or a Variable Note: You will receive partial credit for each correct answer.
正解：
解説：
Explanation:
* age - Variable
* birthDate - Constant
* socialSecurityNumber - Constant
* salary - Variable
* currentDepartment - Variable
This question belongs to Swift Programming Language , specifically the objective on demonstrating when to use constants and variables . In Swift, a constant is declared with let and is used for values that should not change after they are set. A variable is declared with var and is used for values that may change over time.
Birth date is a constant because a person's date of birth does not change. Social security number is also a constant because it is intended to be a fixed identifier for that employee record. By contrast, age is a variable because it changes over time. Salary is a variable because compensation can be adjusted. Current department is also a variable because an employee may transfer to another department.
This matches Swift best practice: use let for fixed data and var for mutable data. So in a human resources record, identifiers that are permanent should be constants, while values that can change during employment should be variables.
質問 # 38
Review the code snippet.
What is the output from each print statement?
正解：
解説：
Answer the question by typing in the box.
10
Explanation:
This question belongs to Swift Programming Language , specifically the domain covering structs, classes, properties, methods, and the difference between structures and classes .
The key point is that Printer is declared as a class :
class Printer {
var copies: Int
init(copies: Int) {
self.copies = copies
}
}
In Swift, classes are reference types . That means when you assign one class instance to another variable, both variables refer to the same object in memory rather than creating a separate copy. Apple's Swift language guide explains that classes are passed by reference, while structures are value types. So in this code:
var printer1 = Printer(copies: 2)
var printer2 = printer1
both printer1 and printer2 point to the same Printer instance.
Next, this line changes the shared object:
printer2.copies = 10
Because printer2 refers to the same instance as printer1, changing printer2.copies also changes printer1.
copies. Therefore, when the code executes:
print(printer1.copies)
the output is 10 .
This question tests one of the most important Swift concepts: classes are reference types , while structs are value types . If Printer had been a struct instead of a class, the result would have been different because assignment would copy the value rather than share the same instance.
質問 # 39
Select the area in Xcode that allows you to display the Preview Canvas.
正解：
解説：
Explanation:
This question belongs to Xcode Developer Tools , specifically the objective domain on identifying and using the features of the Xcode interface . In the screenshot, the correct area is the upper-right corner of the editor toolbar , where Xcode provides the control for editor display options. Apple's documentation explains that to show previews, you can use the editor controls and specifically notes that you can click the Adjust Editor Options button and choose Preview , which displays the preview canvas to the right of the editor.
So, in hotspot terms, the correct selection is the editor options control near the top-right of the code editor
, not the Run button, not the Inspector, and not the Project navigator. This aligns with Apple's preview workflow for SwiftUI in Xcode, where the canvas is shown from the editor display controls. Apple also describes the preview canvas as part of Xcode's interface for quickly visualizing UI changes while editing code.
質問 # 40
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.)
正解：A、D
質問 # 41
You have a set of Views within a ZStack that produce the screen below:
Arrange the lines of code that will make up the ZSlack so that the View appears as shown.
正解：
解説：
Explanation:
This question belongs to View Building with SwiftUI , specifically stacking views and applying modifiers. A ZStack layers views from back to front, so the first item becomes the background and later items appear on top. To match the screenshot, the black background must be the back layer, so Color.black goes first. The large white circle sits above that, so Circle() followed by .foregroundStyle(.white) comes next. Finally, the red heart image sits on top of the circle, so Image(systemName: " heart " ).resizable() followed by .
foregroundStyle(.red).frame(width: 200, height: 200) must be last. SwiftUI's Image.resizable() allows the symbol image to scale to the frame you apply, and foregroundStyle sets the visible color styling for the shape and symbol.
So the intended structure is:
ZStack {
Color.black
Circle()
.foregroundStyle(.white)
Image(systemName: " heart " ).resizable()
.foregroundStyle(.red)
.frame(width: 200, height: 200)
}
This produces a black background, a white circular shape, and a centered red heart on top, exactly as shown.
質問 # 42
......
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