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iOS Object-Oriented Objective-C Getting Oriented - Object-Oriented, That Is Review NSDictionaries and NSMutableDictionaries

Posted by Unsubscribed User
Unsubscribed User
1,473 Points

NSDictionary Quiz Help

Not sure how this is wrong / what the correct answer is. Help?

NSDictionary* artDict = @{@"Artist":@"Dali", @"Title":@"The Ship", @"Medium":@"Oil Paint"};

NSString* favoriteArtist = [artDict objectForKey:@"Artist"];

variable_assignment.mm 
NSDictionary* artDict = @{@"Artist":@"Dali",
                          @"Title":@"The Ship",
                          @"Medium":@"Oil Paint"};

NSString* favoriteArtist = [artDict objectForKey:@"Artist"];

1 Answer

Jason Anders
MOD
Jason Anders
Treehouse Moderator 145,860 Points
Jason Anders
Jason Anders
Treehouse Moderator 145,860 Points

Hey Ryan,

You're really close except for two things (1 is syntax and the other is just the code checker being picky for no reason).

  1. You'll need to use valueForKey not objectForKey.
  2. For some reason, the code checker doesn't seem to like the placement of the * for NSString. If you just move it away from the NSString and place it against the variable name, the challenge will pass. Even thought the checker doesn't seem to like NSString* it is syntactically correct. So... who knows?

Just change the one line to ->

NSString *favoriteArtist = [artDict valueForKey:@"Artist"];

Keep Coding! :dizzy: