An 'NSSet' is much like an 'NSArray'. The only difference is that the objects it holds are not ordered.
So when we retrieve them they may come back in any random order, based on how easy it is for the system to re retrieve them.
NSSet is used to have unique objects .
NSSet is UN-oreder Collection
So when we retrieve them they may come back in any random order, based on how easy it is for the system to re retrieve them.
NSSet is used to have unique objects .
NSSet is UN-oreder Collection
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