Collections

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Maciej Walczynski edited this page Oct 22, 2013 · 6 revisions

NSArray *names = @[@"Adam", @"Brittany", @"Charles", @"Diane", @"Eugene", @"Fannie", @"Gregory", @"Heather", @"Ishmael", @"Jennifer", @"Kenny", @"Lindsay", @"Marcus", @"Nina", @"Oscar", @"Paige"];

NSArray (show different ways to create), arrayWith... @[] etc.
Enumerate the array

for
fast enumeration
enumerate using block

NSSet (differences to NSArray)

unordered
can't insert the same object twice
better performance (hashes)

Substract from an NSSet
Create a class to put into the NSSet with methods desciption isEqual hash
Use the class to create a set of objects, try to see the difference
NSMutableOrderedSet NSArray NSDictionary