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iOS Objective-C Basics (Retired) Foundation Framework NSString

I am getting errors on 3rd task, help?

I re-watched the video about 4 times now, following his example exactly. I can't figure out what I am doing wrong. The answer must be simple, but I really don't understand how I am getting errors.

string.mm
NSString *color = @"Purple";
NSString *preference = @"My favorite color is ";
NSString *favorite = [color stringByAppendingString: preference];

1 Answer

Eralp Uçkun
Eralp Uçkun
1,699 Points

NSString *favorite = [preference stringByAppendingString: color];

change preference and color.