Vector: listIterator()
import java.util.ListIterator; import java.util.Vector; public class Main { public static void main(String[] args) { Vector<String> v = new Vector<String>(); v.add("1"); v.add("2"); v.add("3"); v.add("4"); v.add("5"); ListIterator itr = v.listIterator(); while (itr.hasNext()){ System.out.println(itr.next()); } while (itr.hasPrevious()){ System.out.println(itr.previous()); } } }