public class Derivee extends Superieure { private double x; public Derivee(int k, double x) { super(k); this.x=x; cmpt=1; } public double calcul(double facteur ) //surcharge { return facteur*x; } public static void main ( String [] args ) { Superieure up = new Superieure(5); Derivee down = new Derivee(0, 3.3); System.out.println ("Valeur de cmpt ds Derivee:"+cmpt); System.out.println ("Valeur de res up: " + up.calcul(10) ); System.out.println ("Valeur de res down: " + down.calcul(1.1)); } }