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iOS Object-Oriented Objective-C Memory, Arrays and Loops, Oh My! Alloc and Init

Luis Paulino
PLUS
Luis Paulino
Courses Plus Student 1,779 Points

How do I set the value Key?

I know I got to set the value to @"make",but I'm seriously stumped. Thank you for the help

variable_assignment.mm
NSMutableDictionary *carDict = [[NSMutableDictionary alloc]initWithObjectsAndKeys: @"Honda", @"Make", @"Accord", @"Model", nil];
NSString *myRide= [[NSString alloc] init:@"Honda",nil];

1 Answer

Jennifer Nordell
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

Hi there! It seems like you set up your dictionary just fine and even did the alloc and init part correctly. But @"Honda" is the value, not the key. Here we want to set our string equal to the value at the key using the valueForKey. There might be a more elegant solution, but this worked for me.

NSMutableDictionary *carDict = [[NSMutableDictionary alloc]initWithObjectsAndKeys: @"Honda", @"Make", @"Accord", @"Model", nil];
NSString *myRide = [[NSString alloc]init];
myRide = [carDict valueForKey:@"Make"];

Hope this helps! :sparkles:

Luis Paulino
Luis Paulino
Courses Plus Student 1,779 Points

I didn't add carDict valueForKey:@"Make". Thank you Jennifer, I'm so grateful to you.