Objective-C, sorting muti-dimensional arrays

Question

I\'ve been having some trouble with sorting multi-dimensional arrays in Objective-C. I basically have an array of which every element is an array of the form:

(         


        

Answer 1

in most cases, you would create an object:

@interface MONObject : NSObject
{
  NSString * a;
  NSDate * b;
  NSString * c;
  NSString * d;
}
...

then teach it to compare itself to others, then use those objects in the array. logical organization of data and implementation.