public boolean add(Loan c) { try { PreparedStatement ps; ps = conn.getConn().prepareStatement(SQL_INSERT); ps.setInt(1, c.getPerson().getIdPerson()); ps.setInt(2, c.getComic().getIdComic()); ps.setString(3, c.getDate()); if (ps.executeUpdate() > 0) { return true; } } catch (SQLException e) { e.printStackTrace(); } finally { conn.closeConnection(); } return false; }