You want to pre-order an item from an online store. The payment for the pre-order is to be done using Apple Pay. This scenario comes under which of the following transaction types?

You want to pay for a gym subscription for 10 months. The payment is to be made via Apple Pay. It is a type of:

Apple Pay uses Passkit framework. Which classes in Passkit framework is used to store information about Apple Pay Cards?

In SiriKit, which INSearchCallHistorylntent class instance properties is deprecated in iOS1O onwards?

which class object is used to manage capture activity and coordinates the flow of data from input devices to capture outputs?

To prevent memory leakage, iOS uses a policy based on a number, which is maintained by every reference object. What is it called?

When do you use the 'assign' value for a property?

Which holdsdata and knows nothing about the user interface?

Difference between NSInteger and int?

What can be linked to an Obj-C program without any particular process?

+(void)doSomething{}