/*
Traverse through ArrayList in reverse direction using Java ListIterator Example
This Java Example shows how to iterate through an ArrayList object in reverse direction
using Java ListIterator's previous and hasPrevious methods .
*/
import java.util.ListIterator;
import java.util.ArrayList;
public class TraverseReverseUsingListIteratorExample {
public static void main(String[] args) {
//create an object of ArrayList
ArrayList aList = new ArrayList();
//Add elements to ArrayList object
aList.add("1");
aList.add("2");
aList.add("3");
aList.add("4");
aList.add("5");
//Get an object of ListIterator using listIterator() method
ListIterator listIterator = aList.listIterator();
//Traverse in forward direction
System.out.println("Traversing ArrayList in forward direction using ListIterator");
while(listIterator.hasNext())
System.out.println(listIterator.next());
/*
Traverse the ArrayList in reverse direction using hasPrevious and previous
methods of ListIterator. hasPrevious method returns true if ListIterator has more
elements to traverse in reverse direction. Previous method returns previous element
in the list.
*/
System.out.println("Traversing ArrayList in reverse direction using ListIterator");
while(listIterator.hasPrevious())
System.out.println(listIterator.previous());
}
}
/*
Traversing ArrayList in forward direction using ListIterator
1
2
3
4
5
Traversing ArrayList in reverse direction using ListIterator
5
4
3
2
1
*/
