// Fig. 10.13: SalariedEmployee.java
// SalariedEmployee class extends Employee.

public class SalariedEmployee extends Employee {
  private double weeklySalary;

  // constructor
  public SalariedEmployee( String first, String last,
                           String socialSecurityNumber, double salary )
  {
    super( first, last, socialSecurityNumber );
    setWeeklySalary( salary );
  }

       // set salaried employee's salary
  public void setWeeklySalary( double salary )
  {
    weeklySalary = salary < 0.0 ? 0.0 : salary;
  }

  // return salaried employee's salary
  public double getWeeklySalary()
  {
    return weeklySalary;
  }

  // calculate salaried employee's pay;
  // override abstract method earnings in Employee
  public double earnings()
  {
    return getWeeklySalary();
  }

  // return String representation of SalariedEmployee object
  public String toString()
  {
    return "\nsalaried employee: " + super.toString();
  }

} // end class SalariedEmployee