2. Difference between Delegate and Notification?
Ios Engineer Interview Questions
7,305 ios engineer interview questions shared by candidates
How do you find memory leaks?
Given a string like "(())", write a function that returns true if the string is properly nested - one closed parens for every open parens - and always in the order of open-closed.
How to extract all UILabels in NSArray from given UIView.
It was some binary search tree related algorithm problem .
For my Pirate (systems design & architecture), the interviewer drew up a vague picture of a cat picture inside a cell with a FB profile picture & name at the top of the cell and a "likes" and "comments" counts & buttons at the bottom of the cell. I was asked to design what the interface for a ranked feed for an Instagram-like clone called "Cat-a-gram" would look like.
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1) Differences Struct/Class and Open/Public modifiers. 2) Definition and usage of GCD/Concurrency.
What is the difference between a struct and a class?
Given an array of integers, sort it as a >= b <= c >= d ...etc
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