public void AjouterParticipationToChallenge(Participer participer) { try { Connection connection = DataSourceProvider.getDataSource().getConnection(); // Utiliser la connexion PreparedStatement stmt = connection.prepareStatement( "INSERT INTO participer (id_etudiant, id_challenge, presence) VALUES (?, ?, ?)"); stmt.setString(1, participer.getId_etudiant()); stmt.setString(2, participer.getId_challenge()); stmt.setString(3, participer.getPresence()); stmt.executeUpdate(); // Fermer la connexion stmt.close(); connection.close(); } catch (SQLException e) { e.printStackTrace(); } }