How to add data to NSMutableArray by manually assigning an index?

Question

How to add data to NSMutableArray by manually assigning an index?

Is there a way to manually control the index with which we want to add our data using NSMutableArray? In PHP, for example, we can do:

$foo[2] = "fafa";
$foo[8] = "haha";

Is it possible to perform manual indexing assignment to NSMutableArray?

+3

objective-c cocoa nsmutablearray

Joe shamuraq Apr 28 '12 at 18:42

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4 answers

NSMutableArray - , . 0 - 1, insertObject:atIndex: ( ), ( addObject:).

, NSMapTable - NSMutableDictionary, NSNumber ( drewag).

: Cocoa

+4

Josh Caswell 28 . '12 19:02

, . NSMutableDictionary. NSNumbers .

+2

drewag 28 . '12 18:48

- (void)insertObject:(id)anObject atIndex:(NSUInteger)index

NSRangeException, .

+1

Edu 28 . '12 18:50

Ken thomases · Accepted Answer · 2012-04-29T00:21:59+0000

Just because it’s not entirely clear to me that TeamStar wants a sparse array, I just mentioned that you can assign objects to specific indices at NSMutableArray- as long as the array is already long enough - using -replaceObjectAtIndex:withObject:other methods -replace….

How to add data to NSMutableArray by manually assigning an index?

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