Iterate through elements Java ArrayList using ListIterator Example

/*
  Iterate through elements Java ArrayList using ListIterator Example
  This Java Example shows how to iterate through the elements of java
  ArrayList object in forward and backward direction using ListIterator.
*/
 
import java.util.ArrayList;
import java.util.ListIterator;
 
public class IterateThroughArrayListUsingListIteratorExample {
 
  public static void main(String[] args) {
 
    //create an ArrayList object
    ArrayList arrayList = new ArrayList();
 
    //Add elements to Arraylist
    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");
    arrayList.add("4");
    arrayList.add("5");
 
    /*
      Get a ListIterator object for ArrayList using
      listIterator() method.
    */
    ListIterator itr = arrayList.listIterator();
 
    /*
      Use hasNext() and next() methods of ListIterator to iterate through
      the elements in forward direction.
    */
    System.out.println("Iterating through ArrayList elements in forward
                                                          direction...");
    while(itr.hasNext())
      System.out.println(itr.next());
 
    /*
      Use hasPrevious() and previous() methods of ListIterator to iterate through
      the elements in backward direction.
    */
    System.out.println("Iterating through ArrayList elements in backward
                                                           direction...");
    while(itr.hasPrevious())
      System.out.println(itr.previous());
 
  }
}
 
/*
Output would be
Iterating through ArrayList elements...
Iterating through ArrayList elements in forward direction...
1
2
3
4
5
Iterating through ArrayList elements in backward direction...
5
4
3
2
1
*/