public void calculateTotal(){
		for(int c = 0; c < shirts.length; c++ ){
			if(shirts[c] != null){
			totalPrice += shirts[c].price;
		}
	}
        }


public void calculateTotal(){
                  for (Shirt shirt : shirts) {
                        if (shirt != null) {
                            totalPrice += shirt.price;
                        }
                    }
        }