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 Objective-C Basics (Retired) Foundation Framework NSDictionary

Posted by Sam Cate
Sam Cate
1,528 Points

I have the year correct, but the program is telling me I have the wrong value for year

Please help. I have followed the requirements for the challenge, but it still says I have the wrong value. The year is supposed to be 1969, and that is the value I have entered. I don't know what to do now.

nsdictionary.mm 
NSDictionary *album = @{ @"title":@"Abbey Road", @"artist":@"The Beatles"};
NSMutableDictionary *albumMutable = [NSMutableDictionary dictionaryWithDictionary:album];
[albumMutable setObject:@1969 forKey:@"year"];

1 Answer

Devin Scheu
Devin Scheu
66,191 Points
Devin Scheu
Devin Scheu
66,191 Points

Your code should look like this:

NSDictionary *album = @{@"title":@"Abbey Road", @"artist":@"The Beatles"};
NSMutableDictionary *albumMutable = [NSMutableDictionary dictionaryWithDictionary: album];
[albumMutable setObject:@"1969" forKey:@"year"];

The 1969 needs to be a string. Hope this helps!