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Editorial Team
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Asked: 2026-05-15T15:31:38+00:00

Can anyone tell me the difference between [self.property release] and [property release] . I

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Can anyone tell me the difference between [self.property release] and [property release] . I am asking this because in one of the view controller in my application, I am doing [self.property release] and pushing this view controller in to the navigation stack, when I pop this view controller its showing the error EXC_BAD_INSTRUCTION but when i do [property release] everything is working fine…? Can any one tell me where I am going wrong. I am new to iPhone app development.

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  1. Editorial Team

    [property release] sends the release message to the property instance variable and is almost certainly what you want to do.

    [self.property release] sends the release message to the object returned by self.property. The result of this will depend on whether the property is defined as assign / copy / retain and so basically you are probably releasing a different object to the one that you think you are.

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