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Sr Ios Developer Interview Questions

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1,606 sr ios developer interview questions shared by candidates

1.How do we tell to Junior developer about class, struct usage 2.How do we tell to Junior developer about functions,, closures usage 3.Write syntax for functions and closures 4.About project and challenges 5.Which architecture is best to use 6.Diff between Obj-C and Swift UI 7.Why is accessibility important? 8.In Swift UI, do modifiers have prioritization? 9.Explain Swift Concurrency? 10.Write Generics to add two numbers? 10.*Coding test: Find Common Element in Rows Given a matrix where every row is sorted in increasing order, return the smallest common element in all rows. If there is no common element return -1. Input: mat = [[1,2,3,4,5,8], [2,4,5,8,10], [3,5,7,8,9,11], [1,3,5,7,8,9]]
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Senior IOS Developer

Interviewed at Persistent Systems

4.2★
Sep 10, 2025

1.How do we tell to Junior developer about class, struct usage 2.How do we tell to Junior developer about functions,, closures usage 3.Write syntax for functions and closures 4.About project and challenges 5.Which architecture is best to use 6.Diff between Obj-C and Swift UI 7.Why is accessibility important? 8.In Swift UI, do modifiers have prioritization? 9.Explain Swift Concurrency? 10.Write Generics to add two numbers? 10.*Coding test: Find Common Element in Rows Given a matrix where every row is sorted in increasing order, return the smallest common element in all rows. If there is no common element return -1. Input: mat = [[1,2,3,4,5,8], [2,4,5,8,10], [3,5,7,8,9,11], [1,3,5,7,8,9]]

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