How Do I sort an NSMutable Array with NSNumbers in it?

Question

I\'m trying to make a high score table, and suck at arrays in objective c (actually, in general objective c is challenging for me), so I can\'t figure out how to sort. I\'m

Answer 1

Would you like to do that the short way?

If you have a mutable array of NSNumber instances:

NSSortDescriptor *highestToLowest = [NSSortDescriptor sortDescriptorWithKey:@"self" ascending:NO];
[mutableArrayOfNumbers sortUsingDescriptors:[NSArray arrayWithObject:highestToLowest]];

Nice and easy :)

You can also perform similar sorting with descriptors on immutable arrays, but you will end up with a copy, instead of in-place sorting.