Build NSNotificationCenter from scratch and write a unit test for it. Pay attention to memory management and thread safety.
Sr Ios Developer Interview Questions
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What is GCD explain types of it
1. In which method you are getting the device token? 2. Apps life cycle & app states 3. What is the difference b/n Alamofire & URLSession 4. What is closure & types 5. Difference b/n MVVM & MVC 6. Why use a weak self?
Typically interview that people have mentioned. First had a technical interview for an hour, then an all in one day 3 hour interview. Some were cultural, then technical discussions.
Merge intervals and find missing one
Describe from a technical perspective one or two of the most recent apps you've worked on.
What is an optional and where would you use it?
design system to track driver on map from the start to arriving
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