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Editorial Team
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Asked: 2026-06-08T02:47:15+00:00

What is the difference between NSMutableArray* p = [[NSMutableArray alloc] initWithObjects:…] and NSMutableArray* p

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What is the difference between

NSMutableArray* p = [[NSMutableArray alloc] initWithObjects:...]

and

NSMutableArray* p = [NSMutableArray arrayWithObjects:...]
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1 Answer

  1. Editorial Team

    In the first one, you have the ownership of array object & you have to release them.

    NSMutableArray* p = [[NSMutableArray alloc] initWithObjects:...];
[p release];

    & last one you dont need to release as you don’t have the ownership of array object.

    NSMutableArray* p = [NSMutableArray arrayWithObjects:...]; //this is autoreleased

    If you call release in this, then it will crash your application.

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