Vector - iterate using iterator, listIterator, Enumeration and enhanced for loop








Vector - iterate using iterator, listIterator, Enumeration and enhanced for loop.



import java.util.Enumeration;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.Vector;
/**
* Copyright (c), AnkitMittal JavaMadeSoEasy.com
*/
public class VectorTest {
   public static void main(String args[]) {
      // creates array with initial capacity of 10.
      Vector<String> vector = new Vector<String>();
      vector.add("ankit");
      vector.add("javaMadeSoEasy");
      System.out.println("-------use iterator-------");
      Iterator<String> iterator = vector.iterator();
      while (iterator.hasNext()) {
             System.out.println(iterator.next());
      }
      System.out.println("-------use listIterator-------");
          ListIterator<String> listIterator = vector.listIterator();
      listIterator.next();
      listIterator.previous();
      while (listIterator.hasNext()) {
             System.out.println(listIterator.next());
      }
      System.out.println("-------use Enumeration-------");
      Enumeration<String> listEnum = vector.elements();
      while (listEnum.hasMoreElements()) {
             System.out.println(listEnum.nextElement());
      }
      System.out.println("-------use enhanced for loop-------");
      for (String string : vector) {
             System.out.println(string);
      }
   }
}
/*OUTPUT
-------use iterator-------
ankit
javaMadeSoEasy
-------use listIterator-------
ankit
javaMadeSoEasy
-------use Enumeration-------
ankit
javaMadeSoEasy
-------use enhanced for loop-------
ankit
javaMadeSoEasy
*/


RELATED LINKS>

Vector - add, add element at specific index methods program


Vector - fail-safe or fail-fast iteration using iterator, listIterator, Enumeration and enhanced for loop



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