What happens when you invoke a method on a nil pointer?
What is the 'interface' and 'implementation'?
Will iphone 5s get ios 13?
What is lazy loading?
Differentiate 'app id' from 'bundle id'.
What is iphone?
Have you uploaded app on appstore? What is the process?
Difference between coredata & sqlite?
What is factory methods ? What is the advantage of using it ?
What is reference count in ios?
Explain the difference between inheritance and category?
How to send your device id to an iphone developer?
Explain about AFNetworking. What is the base class used in AFNetworking library