and is not optimized to Primitive[], while they can be on the first view. But things are more complex in touch with other features. The core problem is primitive is not a java object, so in fact, if Array would be int[] and not Integer[] it would be a corner case in ...
over, if you write a list of what a wf problemset should or shouldn't consist of and why, you have to convince the problemsetters committee that your changes won't turn a working system into something that is supposed to be very nice but in fact is like the new gcj platform. ...