Java Collection Tutorial - Java Deque.descendingIterator()

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Syntax

Deque.descendingIterator() has the following syntax.

Iterator <E> descendingIterator()

Example

In the following code shows how to use Deque.descendingIterator() method.

//from  w  w w .  j a v  a2s.  com
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.Iterator;

public class Main {
   public static void main(String[] args) {
      
     
     Deque<Integer>  deque = new ArrayDeque<Integer> (8);

     
     deque.add(1);
     deque.add(2);
     deque.add(3);
     deque.add(4);
   
     for(Iterator itr = deque.iterator();itr.hasNext();)  {
        System.out.println(itr.next());
     }
   
     for(Iterator descItr = deque.descendingIterator();descItr.hasNext();) {
        System.out.println(descItr.next());
     }
   }
}

The code above generates the following result.

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