Lead Ios Engineer Interview Questions

1,612 lead ios engineer interview questions shared by candidates

Design an enumerator (e.g. named FBSuperEnumerator) that has two API's: - (id) nextObject; - (NSArray *) allObjects; // all objects remaining which, when given an input array that has content that can be either NSNumbers or NSArray, will expand all arrays embedded inside it. That is, given an input of something like @[@1, @[@2, @[@3, @4]], @[ ], @5], each call to nextObject will display items in the expected order.
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IOS Developer

Interviewed at Meta

3.6
Oct 19, 2017

Design an enumerator (e.g. named FBSuperEnumerator) that has two API's: - (id) nextObject; - (NSArray *) allObjects; // all objects remaining which, when given an input array that has content that can be either NSNumbers or NSArray, will expand all arrays embedded inside it. That is, given an input of something like @[@1, @[@2, @[@3, @4]], @[ ], @5], each call to nextObject will display items in the expected order.

1. How apple ranks the app store? 2. the question was something like this, he gave me some Json strings wanted me to create a generic functions or methods to storage Json data into the system and then parse the json data and print them out.
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IOS Developer

Interviewed at X

3
Oct 31, 2013

1. How apple ranks the app store? 2. the question was something like this, he gave me some Json strings wanted me to create a generic functions or methods to storage Json data into the system and then parse the json data and print them out.

1.Some basic Swift Questions. ( I answered Some of them ) 2.One Puzzle ( I did not answer ) 3. One or two DS Algo questions. I am cursing myself for wasting my time by going there for an interview. I was asked this basic question. Loop Within loop within loop ( 10 Times ) ,( every loop executing N times) Determine the run time complexity.
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IOS Developer

Interviewed at Appinventiv

3.7
Sep 1, 2016

1.Some basic Swift Questions. ( I answered Some of them ) 2.One Puzzle ( I did not answer ) 3. One or two DS Algo questions. I am cursing myself for wasting my time by going there for an interview. I was asked this basic question. Loop Within loop within loop ( 10 Times ) ,( every loop executing N times) Determine the run time complexity.

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