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Get Enumeration over Java Vector Example

  1. /*
  2.   Get Enumeration over Java Vector Example
  3.   This java example shows how to get Enumeration over Java Vector using enumeration
  4.   method of Collections class. This example also shows how to enumerate through
  5.   elements of Java Vector.
  6. */
  7.  
  8. import java.util.Enumeration;
  9. import java.util.Vector;
  10. import java.util.Collections;
  11.  
  12. public class GetEnumerationOverVectorExample {
  13.  
  14.   public static void main(String[] args) {
  15.     //create a Vector object
  16.     Vector v = new Vector();
  17.    
  18.     //Add elements to Vector
  19.     v.add("A");
  20.     v.add("B");
  21.     v.add("D");
  22.     v.add("E");
  23.     v.add("F");
  24.  
  25.     /*
  26.        Get Enumeration over Java Vector object using,
  27.        static Enumeration enumeration(Collection c) method of Collections class.
  28.      
  29.        This method returns the enumeration object over the specified Collection.
  30.      
  31.     */
  32.    
  33.     //get the Enumeration object
  34.     Enumeration e = Collections.enumeration(v);
  35.    
  36.     //enumerate through the Vector elements
  37.     System.out.println("Enumerating through Java Vector");
  38.     while(e.hasMoreElements())
  39.       System.out.println(e.nextElement());
  40.   }
  41. }
  42.  
  43. /*
  44. Output would be
  45. Enumerating through Java Vector
  46. A
  47. B
  48. D
  49. E
  50. F
  51. */