import java.sql.*;
import java.util.*;
public void ajouteConsultation(Consultation co){
      
            PreparedStatement statement =conn.prepareStatement("insert into Consultation(NConsultation, DateConsultation) values(?,?)");
                statement.setString(1, co.getNConsultation());
                statement.setDate(2, co.getDateConsultation());
                statement.executeUpdate();

cannot find symbol
symbol methode setDat(int,java.util.Date)
location: interface java.sql.preparedStatement