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


Diff. between instance variable and property

When should we use what - instance variable vs. property? What's the difference?

1 Answer

Holger Liesegang
Holger Liesegang
50,595 Points

Hi Madhuri,

be sure to check out Should I Use a Property or an Instance Variable?.

Personally I prefer using properties to direct ivar access as they do at the Big Nerd Ranch but as the above info states: "...but take a sampling of the Objective-C community and you’ll find almost as many answers as there are developers" :)

Here is some more info to really understand the difference in more detail: Properties Encapsulate an Object’s Values/Most Properties Are Backed by Instance Variables