It is a pointer to any type, but unlike a void *, it points to an object. For instance, you add anything of type id to an NSArray as long as those objects are responding to retain and release it.

BY BIQ ON 13 Jan 2019
View Suggestions OR Post Your Suggestion

Suggest An Answer

No suggestions Available!
More Interview Questions from Mobile App
Swift Interview Questions iOS Interview Questions
Android Interview Questions React Native Interview Questions
Ionic Interview Questions Xamarin Interview Questions
Kotlin Interview questions