What are you duties?, What do you mean by overlays in OS?, State the difference between an array and a set?, State the difference between Android and iOS., What are some ways of debugging in iOS?, What ways of data storage do you know?, Which patterns do you use?, Which architectures do you know? Which would you use for making your own project?, What are some most essential Swift features?, What is the importance of ‘?’ in Swift?, What is DeadLock?, What is KVO and why is it important?, How is app thinning used?, List the different states of application., What is Delegate in iOS?, What is JSON?, List three methods to reduce the app size., Why is Swift used over Objective C?, What are the key features of the newest?, What is a protocol? How do you define your own protocol?, What is the difference between weak, strong and unowned?, What is the difference between public and open (swift) ? Why is it important to have both?, What is the difference between var and let?, What is the lazy property in swift?, What is the difference between ‘bundle ID’ and ‘app ID’?, When an app is launched, what are its state transitions like?, What is a tuple in swift?, What do you understand by category? When is it used?, Which kinds of multithreading are you aware of?, Explain the different types of notifications., What is the use of double question marks (“??”) ?, What's the diffrence between GCD and operation?, There are 2 queries and you need to output generalized data from both, how to implement it?, What ways of synchronizing threads do you know?, Is it possible to make a set ordered?, How are push notifications working?, What's the difference between keychain and UserDefaults?, what is CALayer? How is it different from UIView ?, What is a lifecycle of UIViewController?, tell me about animations, What's the difference between a structure and a class?, Stack and heap, What are the three significant benefits of guard statement?, What do you understand by iBeacons?, What is meant by QOS in app development?, What do you understand by category? When is it used?, What do you understand by dynamic dispatch?.

IOS -developer - hard skills

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