Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Build a Simple iPhone App (iOS7) Creating a Data Collection @property and NSArray

jordan dunin
jordan dunin
1,199 Points
Posted by jordan dunin
jordan dunin
1,199 Points

properties 2 things

I am stuck on this question in the quiz and I don't know the answer, What 2 things will determine how long a property will live in memory?

1 Answer

Holger Liesegang
Holger Liesegang
50,595 Points
Holger Liesegang
Holger Liesegang
50,595 Points

Hi Jordan,

"strong" and "weak" determines how long a property lives in memory.