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

Stefan Mach
Stefan Mach
3,691 Points
Posted by Stefan Mach
Stefan Mach
3,691 Points

What is wrong with this NSString?

?

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

NSString *myRide = [[NSString alloc] initWithObjectsAndKeys: nil];

2 Answers

Arman Arutyunov
Arman Arutyunov
21,900 Points
Arman Arutyunov
Arman Arutyunov
21,900 Points

At task 2 you have to just allocate and initialize the variable. initWithObjectsAndKeys is a wrong method used for dictionaries. To initialize NSString you need this code

NSString *myRide = [[NSString alloc]init];

And for a task 3 you need to use this myRide variable and assign "Honda" from the carDict using the following method:

myRide = [carDict valueForKey:@"Make"];