public class IsADemo { public static void main(String[] args) { SalariedEmployee joe = new SalariedEmployee("Josephine", new Date("January", 1, 2004), 100000); HourlyEmployee sam = new HourlyEmployee("Sam", new Date("February", 1, 2003), 50.50, 40); System.out.println("joe's longer name is " + joe.getName( )); System.out.println("showEmployee(joe) invoked:"); showEmployee(joe); System.out.println("showEmployee(sam) invoked:"); showEmployee(sam); } public static void showEmployee(Employee employeeObject) { System.out.println(employeeObject.getName( )); System.out.println(employeeObject.getHireDate( )); } } And the output is: joe's longer name is Josephine showEmployee(joe) invoked: Josephine January 1, 2004 showEmployee(sam) invoked: sam February 1, 2003