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Editorial Team
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Asked: 2026-05-16T21:01:36+00:00

For example: MyClass *obj1 = [[MyClass alloc] init]; MyClass *obj2 = [obj1 retain]; and

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For example:

MyClass *obj1 = [[MyClass alloc] init];
MyClass *obj2 = [obj1 retain];

and release it with

[obj2 release];
[obj2 release];

Is it legal to do this? Will the object will be released properly?

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1 Answer

  1. Editorial Team

    Yep, it’ll work fine. You’re calling release on the same object, no matter which pointer variable you use to do so.

    Looks a bit weird though.

    And, a common idiom would be 

    [obj1 release], obj1 = nil;
[obj2 release], obj2 = nil;

    which clearly wouldn’t work if you used obj2 in both lines.

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