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Posted on    November-03-2015 3:16 AM

 iPhone Ios  Objective C 
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Tarun Kumar

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Posted on    November-03-2015 4:16 AM

When object A retains object B, and object B retains A. Then Retain cycle happens. To overcome this use "close" method.
Objective-C's garbage collector (when enabled) can also delete retain-loop groups but this is not relevant on the iPhone, where Objective-C garbage collection is not supported.

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