/*
 * Kyle Pierce
 * CSE 143
 * Client program showing the different ways you
 * can loop over some structures in Java
 */

import java.util.*;

public class WaysToLoop {

   public static void main(String[] args) {
      ArrayList<Integer> list = new ArrayList<Integer>();
      
      // fill the list with numbers 1 through 5
      for (int i = 1; i <= 5; i++) {
         list.add(i);
      }
      
      System.out.println("normal for-loop");
      for (int i = 0; i < list.size(); i++) {
         System.out.println(list.get(i));
      }
      System.out.println();
      
      System.out.println("for-each loop");
      for (int num : list) {
         System.out.println(num);
      }
      System.out.println();
      
      System.out.println("iterator");
      Iterator<Integer> itr = list.iterator();
      while (itr.hasNext()) {
         System.out.println(itr.next());
      }
   }
}