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iOS

Posted by gustavopares
gustavopares
Courses Plus Student 30 Points

Code Challenge - Alloc Init - Objective-C

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

Why do we need a nil at the end of this??? I looked at the docs and just gave me this

NSDictionary *dict = [[NSDictionary alloc] initWithObjectsAndKeys: @"value1", @"key1", @"value2", @"key2", nil];

What is the purpose of nil????!

1 Answer

Alexander Karan
PLUS
Alexander Karan
Courses Plus Student 15,220 Points
Alexander Karan
Alexander Karan
Courses Plus Student 15,220 Points

nil lets a mutable dictionary or array know its the end of the array or dictionary.