import java.util.ArrayList;
import java.util.ListIterator;
public class Main {
public static void main(String[] args) {
ArrayList arrayList = new ArrayList();
arrayList.add("1");
arrayList.add("2");
arrayList.add("3");
arrayList.add("4");
arrayList.add("5");
ListIterator itr = arrayList.listIterator();
System.out.println("in forward direction");
while (itr.hasNext()) {
System.out.println(itr.next());
}
System.out.println("in backward direction");
while (itr.hasPrevious()) {
System.out.println(itr.previous());
}
}
}
/*in forward direction
1
2
3
4
5
in backward direction
5
4
3
2
1
*/