#import <objc/Object.h>
#import "List.h"         // Note the new commenting style.

main()
{
  id list;               // id is a new data type for objects.

  list = [List new];     // create an instance of class List.
  [list addEntry: 5];    // send a message to the object list
  [list print];
  [list addEntry: 6];
  [list addEntry: 3];
  [list print];
  [list free];           // get rid of object
}