import java.util.LinkedList;
public class Main {
static class Item {}
public static void main
(String[] args
) { Item item = new Item();
LinkedList<Item> items = new LinkedList<Item>();
items.add(item);
Item i = items.getLast();
boolean b = i.equals(item);
}
}
aW1wb3J0IGphdmEudXRpbC5MaW5rZWRMaXN0OwoKcHVibGljIGNsYXNzIE1haW4gewogICAgc3RhdGljIGNsYXNzIEl0ZW0ge30KICAgIAogICAgcHVibGljIHN0YXRpYyB2b2lkIG1haW4oU3RyaW5nW10gYXJncykgewogICAgICAgIEl0ZW0gaXRlbSA9IG5ldyBJdGVtKCk7CiAgICAgICAgTGlua2VkTGlzdDxJdGVtPiBpdGVtcyA9IG5ldyBMaW5rZWRMaXN0PEl0ZW0+KCk7CiAgICAgICAgaXRlbXMuYWRkKGl0ZW0pOwogICAgICAgIEl0ZW0gaSA9IGl0ZW1zLmdldExhc3QoKTsKICAgICAgICBib29sZWFuIGIgPSBpLmVxdWFscyhpdGVtKTsKICAgICAgICBTeXN0ZW0ub3V0LnByaW50bG4oYik7CiAgICB9Cn0=