public static void main(String[] args) {
List<Item> iList = new ArrayList<Item>();
iList.add(new Item("software"));
iList.add(new Item("hardware"));
List<? super Book2> list = new ArrayList<Item>(iList);
Test3.printList(list);
List<Book2> bList = new ArrayList<Book2>();
bList.add(new Book2("Java", 89.90, "ABC"));
bList.add(new Book2("JSPS", 100.98, "Bot Publishing"));
Test3.printList(bList);
}
