Ios Developer Interviews

Ios Developer Interview Questions

"iOS developers specialize in creating applications for iPhone and iPad. During an interview, expect employers to ask challenging technical questions about the limits and capabilities of iOS applications in addition to textbook programming questions. Be prepared to discuss relevant projects from past jobs or individual work."

7,857 ios developer interview questions shared by candidates

Why are Swift optionals better than the way Objective-C handles nil? Suppose you have an Employee and a Department object, and they retain each other strongly. Is this a problem? If so, how do you fix it? Explain the concept of delegation: problems it's addressing, how it works, benefits. How many different ways do you know to lay out a UIView? What is a race condition? What constructs do we have to prevent them in iOS?
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IOS Developer

Interviewed at PIX System

2.8
Nov 8, 2019

Why are Swift optionals better than the way Objective-C handles nil? Suppose you have an Employee and a Department object, and they retain each other strongly. Is this a problem? If so, how do you fix it? Explain the concept of delegation: problems it's addressing, how it works, benefits. How many different ways do you know to lay out a UIView? What is a race condition? What constructs do we have to prevent them in iOS?

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