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Asked: 2026-05-25T13:02:47+00:00

I am trying to set up a multi-dimensional NSMutableArray . I am initially setting

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I am trying to set up a multi-dimensional NSMutableArray. I am initially setting all position to a [NSNumber numberWithInt:0] then replacing the object with another [NSNumber numberWithInt:4] (for example). When I am done I would like to rebuild the array. I am correct in saying [array release]? Will that release all the NSNumber objects? Or do I need to do more advance memory management, like set all objects to nil first?

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1 Answer

  1. Editorial Team

    You can either release the array and recreate it or—slightly more efficiently—just call the array’s -removeAllObjects. The NSNumber objects you’re populating it with are autoreleased, so the array, by taking ownership of them when you add them to it, also assumes responsibility for releasing them when it itself gets released or has its contents removed.

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