Java tutorial
import java.util.ArrayList; import java.util.Iterator; public class ArrayListExample { public static void main(String[] args) { ArrayList<Integer> al = new ArrayList<Integer>(); al.add(new Integer(1)); al.add(new Integer(2)); al.add(new Integer(3)); al.add(new Integer(4)); al.add(new Integer(5)); al.add(new Integer(6)); al.add(new Integer(7)); al.add(new Integer(8)); al.add(new Integer(9)); al.add(new Integer(10)); al.set(5, new Integer(66)); for (Iterator i = al.iterator(); i.hasNext();) { Integer integer = (Integer) i.next(); System.out.println(integer); } } }