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 Object-Oriented Objective-C Tying it All Together Cumulative Review

how to initial array in oc?

how to write the right syntax?


1 Answer

    NSArray *temps = @[@75.5, @83.3, @96, @99.7];
    float average;
    float sum;
    for (int i = 0; i < temps.count; i++) {
        sum += [[temps objectAtIndex: i] floatValue];
    average = sum / temps.count;