In iOS 10, which of the following are the new methods introduced in the NSManagedObject class?

The iMessage app is used to:

Which option is correct about the Operation class, NSOperation?

Which statement is correct about the NSManagedObject class?

Which App Extension points are available both in iOS and macOS?

In ApplePay JS, which is correct about the ApplePayPaymentRequest data type?

If you use threading, on which thread should UI Transitions be called?

Is it possible to make a full application without using Interface Builder?

When using ARC, how do you destroy an object in Objective C?

viewDidLoad comes after viewDidAppear?

Which object is visible to the user?