orderedhourlyemployee.java

java编程代码

public class OrderedHourlyEmployee 
         extends HourlyEmployee implements Ordered
{
    public boolean precedes(Object other)
    {
        if (other == null)
            return false;
        else if (!(other instanceof HourlyEmployee))
            return false;
        else
        {
            OrderedHourlyEmployee otherOrderedHourlyEmployee =
                             (OrderedHourlyEmployee)other;
             return (getPay( ) < otherOrderedHourlyEmployee.getPay( ));
        }
    }

    public boolean follows(Object other) 
    {
        if (other == null)
            return false;
        else if (!(other instanceof OrderedHourlyEmployee))
            return false;
        else
        {
            OrderedHourlyEmployee otherOrderedHourlyEmployee =
                             (OrderedHourlyEmployee)other;
            return (otherOrderedHourlyEmployee.precedes(this));
        }
    }
}