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Objective-C · Intermediate
10 questions · Question 1 of 10
10%
Multiple Choice
Mid
What is the difference between inheritance and Categories in Objective-C?
A
NSArray is faster than NSSet for simply holding and iterating.
B
The reason that you avoid retaining delegates is that you need to avoid a retain cycle.
C
Method Dispatch is the mechanism that helps to decide which operation should be executed, or more specifically, which method implementation should be used.
D
Sometimes, Inheritance just seems like more trouble than it is worth.
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