How to initialize an empty mutable array in Objective C

Question

I have a list of objects (trucks) with various attributes that populate a tableview. When you tap them they go to an individual truck page. There is an add button which will add

Answer 1

You can also initialize in this way

Another way for Objective C apart from the answer of @NSSam

NSMutableArray *myMutableArray = [@[] mutableCopy];

For Swift

let myArray = NSMutableArray()

OR

let myArray = [].mutableCopy() as! NSMutableArray;

Answer 2

I use this way to initialize an empty mutable array in Objective C:

NSMutableArray * array = [NSMutableArray arrayWithCapacity:0];