Lead Ios Engineer Interview Questions

IOS Developer

Interviewed at Bonzai

4.3★

May 27, 2014

About Core Data, Push Notifications

Junior IOS Developer

Interviewed at TechTree IT Systems

3.2★

Dec 8, 2020

questions based on oops, os.

IOS Applications Developer

Interviewed at Intellisense Technology

4.4★

May 16, 2021

Which design pattern are you using, what is mvc what is mvvm example of mvvm and mvc

IOS Applications Developer

Interviewed at Intellisense Technology

4.4★

May 16, 2021

what is GCD? what is qos? how to set priority in qos?

IOS Developer

Interviewed at Web Spiders

3.1★

May 23, 2017

iOS app states, local caching, weak/strong difference, retain cycle, protocols, delegates

Desarrollador Ios

Interviewed at Banco del Pacífico

4.3★

Apr 8, 2022

Que proyectos he realizado y que experiencia tenia en ios

Find the Longest Substring Without Repeating Characters Problem Statement: Given a string s, find the length of the longest substring without repeating characters. Input: A string s containing only ASCII characters (length between 0 and 10⁵). Output: An integer representing the length of the longest substring without repeating characters. Examples: Input: s = "abcabcbb" Output: 3 Explanation: The answer is "abc", with a length of 3. Input: s = "bbbbb" Output: 1 Explanation: The answer is "b", with a length of

General questions about previous work experiences.

How to avoid retain cycle when use a NSTimer, what's the relationship between timer and runloop.

Junior IOS Developer

Interviewed at Avinashi Systems

3.6★

Aug 9, 2016

1. What is view controller 2. What is navigation view controller 3. What is inheritance 4. difference between objective c and swift 5. what is thread 6. what is category 7. what is atomic and nonatomic 8. which are application state 9. what is difference between inactive state and background state Machine Test 1. Json parsing 2. Show data from json to table view 3. On cell's long press, cell data should be removed from table view 4. Insert data from json to sqlite database 5. On loading app or refresh, data should be came from sqlite database.