public class Worker
{
  private String name;
  private double rate;

  public Worker(String n, double r)
  {
    name = n;
    rate = r;
  }

  public String toString()
  {
    return name;
  }

  public double getRate()
  {
    return rate;
  }

  // Here is an alternative way to calculate worker pay based on
  // 2 different formulas.  Instead of writing separate functions in the
  // subclasses, write one here, and use "instanceof" to find out which
  // kind of worker we have.
  public double computeWages(int hours)
  {
    if (this instanceof Salaried)
      return 40 * getRate();
    else if (this instanceof Hourly)
    {
      if (hours <= 40)
     	return hours * getRate();
      else
	return (hours - 40) * getRate() * 1.5 +
       	       40 * getRate();
    }
    else
      return 0;
  }
}