Swift اسئلة واجوبة المقابلات
Test your skills through the online practice test: Swift Quiz Online Practice Test
سؤال 46. What is the purpose of the 'autoreleasepool' in Swift?
The 'autoreleasepool' is used to manage the lifecycle of objects in memory, especially in performance-critical code or when working with Objective-C APIs.
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سؤال 47. Explain the role of the 'UIApplicationDelegate' in a Swift app.
The 'UIApplicationDelegate' is a protocol in Swift that defines methods for handling app lifecycle events, such as app launch, termination, and background execution.
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سؤال 48. What is a typealias in Swift, and when would you use it?
A typealias is used to create a named alias for an existing type. It is useful for making code more readable and for simplifying complex type declarations.
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سؤال 49. Explain the concept of method swizzling in Swift.
Method swizzling is a technique used to exchange the implementation of methods at runtime. It's often used for extending or modifying the behavior of existing classes.
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الاكثر فائدة حسب تقييم المستخدمين:
- What is Swift?
- Explain optionals in Swift.
- What is the difference between 'let' and 'var' in Swift?
- What are property observers in Swift?
- What is the purpose of the 'static' keyword in Swift?