Ios Developer Engineer Interview Questions

7,848 ios developer engineer interview questions shared by candidates

iOS questions on closure and annoying questions are there. like why we are not use weak self in case of block of DispatchMain async and similar which seems not useful. Multi threading question - like two person withdraw amount at same time from bank from different account how bank account update balance.
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Sr iOS Developer

Interviewed at Dream11

4.2
Oct 18, 2021

iOS questions on closure and annoying questions are there. like why we are not use weak self in case of block of DispatchMain async and similar which seems not useful. Multi threading question - like two person withdraw amount at same time from bank from different account how bank account update balance.

Algoritm test Assume you are working at a newspaper. Your task is to prepare a page with titles that writers send you. Your cat was walking over your keyboard and accidentally added characters. Now you need to filter out the titles and prepare them for publishing Assume that the tiles are in an array of strings. You need to do the following procedures on it: – Create a single string by concatenating the strings in the array. – Delete all numerical symbols from the string. – Capitalise the first character of each word in the string. Don't forget to think through any corner cases.
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Senior IOS Developer

Interviewed at bunq

3.6
Jan 13, 2023

Algoritm test Assume you are working at a newspaper. Your task is to prepare a page with titles that writers send you. Your cat was walking over your keyboard and accidentally added characters. Now you need to filter out the titles and prepare them for publishing Assume that the tiles are in an array of strings. You need to do the following procedures on it: – Create a single string by concatenating the strings in the array. – Delete all numerical symbols from the string. – Capitalise the first character of each word in the string. Don't forget to think through any corner cases.

Consecutive zeros The goal of this challenge is to analyze a binary string consisting of only zeros and ones. Your code should find the biggest number of consecutive zeros in the string. For example, given the string: "1001101000110" The biggest number of consecutive zeros is 3. Define a function named consecutive_zeros that takes a single parameter, which is the string of zeros and ones. Your function should return the number described above.
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IOS Developer

Interviewed at Andela

3.8
Jun 12, 2023

Consecutive zeros The goal of this challenge is to analyze a binary string consisting of only zeros and ones. Your code should find the biggest number of consecutive zeros in the string. For example, given the string: "1001101000110" The biggest number of consecutive zeros is 3. Define a function named consecutive_zeros that takes a single parameter, which is the string of zeros and ones. Your function should return the number described above.

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