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iOS Object-Oriented Objective-C Memory, Arrays and Loops, Oh My! Review Dictionaries and Arrays

Michael Snyder
PLUS
Michael Snyder
Courses Plus Student 7,502 Points
Posted by Michael Snyder
Michael Snyder
Courses Plus Student 7,502 Points

Challenge Task 3 of 3 Adding keys to values in NSMutableDictionary Problem

Having some trouble if someone could help please.

variable_assignment.mm 
NSArray *shoeOrder = @[@"Charles Smith", @(9.5), @"loafer", @"brown"];

NSMutableDictionary *shoeOrderDict = [[NSMutableDictionary alloc]init];

[shoeOrderDict setObject:@[shoeOrder objectAtIndex:0] forKey:@"customer"];
[shoeOrderDict setObject:@[shoeOrder objectAtIndex:1] forKey:@"size"];
[shoeOrderDict setObject:@[shoeOrder objectAtIndex:2] forKey:@"style"];
[shoeOrderDict setObject:@[shoeOrder objectAtIndex:3] forKey:@"color"];

1 Answer

Sam Chaudry
Sam Chaudry
25,519 Points
Sam Chaudry
Sam Chaudry
25,519 Points

You should be using setObject like below:

NSArray *shoeOrder = @[@"Charles Smith", @(9.5), @"loafer", @"brown"]; NSMutableDictionary *shoeOrderDict = [[NSMutableDictionary alloc]init];

    [shoeOrderDict setObject:[shoeOrder objectAtIndex:0] forKey:@"customer"];
    [shoeOrderDict setObject:[shoeOrder objectAtIndex:1] forKey:@"size"];
    [shoeOrderDict setObject:[shoeOrder objectAtIndex:2] forKey:@"style"];
    [shoeOrderDict setObject:[shoeOrder objectAtIndex:3] forKey:@"color"];