retain count in iphone

Question

I have used [anArray retainCount] to get the retain count of array..(i know this should not be used but i am using just for learning retain concept)

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Answer 1

This line... anArray=[str componentsSeparatedByString:@","];

You squished the original assignment of 'anArray' (thus creating a leak). In real life, you'd want to [anArray release] first. That's why the retain count went back to 1.