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Iterate through values of Java Hashtable example

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  1. /*
  2.   Iterate through values of Java Hashtable example
  3.   This Java Example shows how to iterate through the values contained in the
  4.   Hashtable object.
  5. */
  6.  
  7. import java.util.Hashtable;
  8. import java.util.Enumeration;
  9.  
  10. public class IterateValuesOfHashtableExample {
  11.  
  12.   public static void main(String[] args) {
  13.    
  14.     //create Hashtable object
  15.     Hashtable ht = new Hashtable();
  16.    
  17.     //add key value pairs to Hashtable
  18.     ht.put("1","One");
  19.     ht.put("2","Two");
  20.     ht.put("3","Three");
  21.    
  22.     /*
  23.       get Enumeration of values contained in Hashtable using
  24.       Enumeration elements() method of Hashtable class
  25.     */
  26.     Enumeration e = ht.elements();
  27.    
  28.     //iterate through Hashtable values Enumeration
  29.     while(e.hasMoreElements())
  30.       System.out.println(e.nextElement());
  31.   }
  32. }
  33.  
  34. /*
  35. Output would be
  36. Three
  37. Two
  38. One
  39. */