/**
 * A worker has a name and a payrate
 */
public interface Worker
{
    public static final int HOURS_IN_WEEK = 40;
    
    public String getName();
    public double getPayRate();
    public double getHoursWorked();
    public void setName(String aName);    
    public void setPayRate(double aPayRate);
    public void setHoursWorked(double numHours);
    public double computePay();
}