public class Driver
{
    public static void main(String [] args)
    {
        Person bart;
        Person lisa;

        bart = new Person("bart");
        System.out.println("Bart object name: " + bart.getName());

        lisa = bart;
        bart = new Person("lisa");
        System.out.println("Bart object name: " + bart.getName()); 
        System.out.println("Lisa object name: " + lisa.getName()); 


    }
}