public class Driver
{
    public static void main(String [] args)
    {
	int num = 13;
	Person aPerson = new Person();
	ParameterExample pe = new ParameterExample();

	System.out.println("Person in main() before edit");
        System.out.println(aPerson.getName() + " " +
                           aPerson.getAge());
        System.out.println("Number inside main() before edit");
        System.out.println(num);
	System.out.println("----------");

	pe.modify(aPerson,num);
	System.out.println("----------");

	System.out.println("Person in main() after edit");
        System.out.println(aPerson.getName() + " " +
                           aPerson.getAge());
        System.out.println("Number inside main() after edit");
        System.out.println(num);

    }
}