@Override
  void Execute() {
    Scanner sc = new Scanner(System.in);
    String Prenom;

    System.out.println("Saisissez le Prenom");
    Prenom = sc.nextLine();

    Client client = clientService.findClientPrenom(Prenom);
    System.out.println(client.toString());
  }
  @Override
  void execute() throws SQLException {

    Scanner sc = new Scanner(System.in);
    String prenom;

    System.out.println("Rechercher le prénom souhaité");
    prenom = sc.nextLine();

    Client c = clientService.rechercherClientPrenom(prenom);
    System.out.println(c.toString());
  }