public class Terrain {
private Rectangle m_r;
private boolean m_vendu;

public Terrain(double w, double h, boolean v){
   m_r = new Rectangle(w, h);
   m_vendu = v;
}

public void afficher(){
  System.out.print("vendu = "+!dispo()+" surf = "+m_r.surface()+" ");
  m_r.afficher();
}

public double surface(){
  return m_r.surface();
}

public boolean dispo(){
  return !m_vendu;
}
}