Code Room
Code reviewMedium
Question
Review this Java (JDBC) method that builds a dynamic listing query.
What a strong answer looks like
Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.
Learn the concepts
List<Row> list(Connection c, String status, String orderBy, int limit) throws SQLException { String sql = "SELECT id, title FROM issues WHERE status = ? " + "ORDER BY " + orderBy + " LIMIT " + limit; PreparedStatement ps = c.prepareStatement(sql); ps.setString(1, status); ResultSet rs = ps.executeQuery(); List<Row> out = new ArrayList<>(); while (rs.next()) out.add(new Row(rs.getLong(1), rs.getString(2))); return out;}Run or narrate your approach, then ask the coach.