public List<ShoppingCartItem> items(){
  List<ShoppingCartItem> result=FastList.newInstance();
  result.addAll(cartLines);
  return result;
}

public List < ShoppingCartItem > items ( ) { List < ShoppingCartItem > result = FastList . newInstance ( ) ; result . addAll ( cartLines ) ; return result ; }
returns a collection of items in the cart object .
