/**
 * This class just holds an int.  It illustrates how we could write
 * our own "wrapper class" that could be contained within an ArrayList.
 * (We can't store primitive types like int, but we could make an 
 * ArrayList of JustAnInt items, each of which "wraps up" an integer.)
 * 
 * Java has a built-in wrapper class, Integer, so we don't have to use
 * this one.
 */
public class JustAnInt
{
    private int n;  // The value stored in this object

    /**
     * Constructor for objects of class JustAnInt
     */
    public JustAnInt(int theInt)
    {
        n = theInt;
    }

    public int getValue()
    {
        return n;
    }

    public void setValue(int theInt)
    {
        n = theInt;
    }
}