public class Employee extends Person
{
  private double payRate;
  private String idNum;

  public Employee()
  {
	  super(); //invokes constructor from the superclass
	  payRate = 0.0;
	  idNum = "unassigned";
  }

  public Employee(String fn, String ln, double rate, String id)
  {
	  //invokes one of the constructors from the superclass
	  super(fn, ln);

	  payRate = rate;
	  idNum = id;
  }

  public double getPayRate() { return payRate; }
  public String getIdNum() { return idNum; }

  public void setPayRate(double rate) { payRate = rate; }
  public void setIdNum(String id) { idNum = id; }

  //OVERRIDE:  We have overridden the toString method of the superclass
  // If this method was not here, Java would automatically invoke the superclass'
  // version of toString
  // As it happens, we will make use of the superclass' toString inside our method anyways.
  public String toString()
  { return  ( super.toString() + "\n" +
              "Id Number: " + idNum + "\n" +
              "Pay Rate: " + payRate + "\n" );
  }

  //Included here to test overriding
  public void uselessMethod()
  {
	  System.out.println("This method called: ueslessMethod was invoked from the class \'Employee\'");
  }

} //end class Employee