@Override
    public String getColumnName(int column) {
        switch (column) {
            case 0:
                return "Nom";
            case 1:
                return "Prénom";
            case 2:
                return "E-Mail";
            case 3:
                return "Contenu";
            case 4:
                return "ID";
            default:
                return "Error";
        }
    }