Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialLei zheng
7,990 PointsLet's add a few items to our grocery list. Switch to the implementation file and in the viewDidLoad method, initialize t
how to initalize a property ?
#import "UIViewController.h"
@interface ViewController : UIViewController
@property (strong, nonatomic) NSString *shoppingCart;
@property(strong, nonatomic) NSArray *shoppingList;
@end
#import "ViewController.h"
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Add your code below!
self.shoppingList=[[shoppingList alloc] initWithObjects:@"toothpaste",@"bread", @"eggs",nil];
}
@end
2 Answers
Stone Preston
42,016 Pointsyou need to call the alloc method on the NSArray class, not shoppingList
self.shoppingList = [[NSArray alloc] initWithObjects:@"toothpaste",@"bread", @"eggs",nil];
Lei zheng
7,990 Pointsthank you. it works now.