final String sql = "INSERT INTO Bike (Make, Handlebars, Frame, Tyres, SeatType, NumGears) VALUES (?, ?, ?, ?, ?, ?)";
PreparedStatement ps = conn.prepareStatement(sql);
ps.setString(1, make);
ps.setString(2, handlebars);
ps.setString(3, frame);
ps.setString(4, tyres);
ps.setString(5, seatType);
ps.setInt(6, numGears);
ps.executeUpdate();
https://docs.oracle.com/javase/tutori...
http://tutorials.jenkov.com/jdbc/prep...