]// Fig. 7.9: Boss.java // Boss class derived from Employee public final class Boss extends Employee { private double weeklySalary; // Constructor for class Boss public Boss( String first, String last, double s) { super( first, last ); // call superclass constructor setWeeklySalary( s ); } // Set the Boss's salary public void setWeeklySalary( double s ) { weeklySalary = ( s > 0 ? s : 0 ); } // Get the Boss's pay public double earnings() { return weeklySalary; } // Print the Boss's name public String toString() { return "Boss: " + super.toString(); } }