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WithoutBook LIVE Mock Interviews Swift Related interview subjects: 9

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Know the top Swift interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Know the top Swift interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Ques 3

Explain the concept of protocol-oriented programming in Swift.

Protocol-oriented programming is a programming paradigm in Swift that emphasizes the use of protocols to define the structure and behavior of types.
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Ques 4

What is the purpose of the '@escaping' keyword in Swift?

The '@escaping' keyword is used in Swift to indicate that a closure passed as a parameter to a function may be stored beyond the lifetime of that function.
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Ques 6

What are the key differences between Swift and Objective-C?

Swift is a modern, safer, and more concise language compared to Objective-C. It introduces optionals, type inference, generics, and is memory-safe with Automatic Reference Counting (ARC).
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Ques 8

Explain the concept of generics in Swift with associated types.

Generics with associated types allow you to define protocols with placeholders for associated types, enabling you to use generic types conforming to the protocol.
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Ques 10

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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Ques 11

How does Swift handle memory leaks, and what are some common causes?

Swift uses Automatic Reference Counting (ARC) to manage memory, but memory leaks can still occur if strong reference cycles are created. Common causes include strong reference cycles between objects.
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