Iterate through elements of Java HashSet

   package org.best.example;
    /*
      Iterate through elements of Java HashSet example
      This Java Example shows how to iterate through elements Java HashSet object.
    */
    
    import java.util.HashSet;
    import java.util.Iterator;
    
    public class IterateThroughElementsOfHashSetExample {
    
      public static void main(String[] args) {
    
        //create object of HashSet
        HashSet hSet = new HashSet();
      
        //add elements to HashSet object
        hSet.add(new Integer("1"));
        hSet.add(new Integer("2"));
        hSet.add(new Integer("3"));
      
        //get the Iterator
        Iterator itr = hSet.iterator();
      
        System.out.println("HashSet contains : ");
        while(itr.hasNext())
          System.out.println(itr.next());
      }
    }
    
    /*
    Output would be
    HashSet contains :
    3
    2
    1
    */