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iOS Objective-C Basics (Retired) Foundation Framework NSNumber

Heng Liu
Heng Liu
16,220 Points
Posted by Heng Liu
Heng Liu
16,220 Points

what does strong syntax means

In the video I saw something like: @property (nonatomic) float radius; @property (nonatomic, strong) Shape *circle;

why there is a "strong", what does it mean? Why do we need to use it?

1 Answer

Chris Shaw
Chris Shaw
26,676 Points
Chris Shaw
Chris Shaw
26,676 Points

Hi Heng,

Have a read of the following StackOverflow thread, it should answer your question.

http://stackoverflow.com/questions/11013587/differences-between-strong-and-weak-in-objective-c

Hope that helps.

Laurie Gray
Laurie Gray
23,119 Points
Laurie Gray
Laurie Gray
23,119 Points

This link was freaking amazing Chris many thanks for getting all of my questions answered immediately! :)))