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Home/ Questions/Q 8352529
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Editorial Team
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Editorial Team
Asked: June 9, 20262026-06-09T08:59:11+00:00 2026-06-09T08:59:11+00:00

I am comparing NSNumber initWith* methods with numberWith* methods specifically under ARC. I have

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I am comparing NSNumber initWith* methods with numberWith* methods specifically under ARC.
I have the feeling that they are now identical.

{
    NSNumber* myInitNumber = [[NSNumber alloc] initWithInt:55];
    NSNumber* myNumbNumber = [NSNumber numberWithInt:55];
    // use here
}

At the final brace, both pointers go out of scope so both reference counts drop to zero and are deallocated.

If they are identical, is there a preference which one I should use?

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  1. Editorial Team
    Editorial Team
    2026-06-09T08:59:13+00:00Added an answer on June 9, 2026 at 8:59 am
     [NSNumber numberWithInt:42]
    

    It’s the same, since it’s autoreleased under non-ARC projects. But this has no effect to ARC enabled projects.

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