public String insertCustomerDetails(String memNo) {
    CustomerDBConnection c = new CustomerDBConnection();
    String res = " ";
    ResultSet rs = null;
    String status = "pending";
    int quantity = 1;
    String type = "DVD";
    String fine = "0";
    try {

      String issuedate = c.calculateIssueDate();
      String duedate = c.calculateDueDate();
      String query1 = "Select movieID from cart where memNo=?";
      ps = con.prepareStatement(query1);
      ps.setString(1, memNo);
      rs = ps.executeQuery();
      while (rs.next()) {
        String movieid = rs.getString(1);
        System.out.println("inside db");
        String query =
            "Insert into customerdetails(membershipno,movieid,quantity,type,issueddate,duedate,status,fine) values(?,?,?,?,?,?,?,?)";
        ps = con.prepareStatement(query);
        ps.setString(1, memNo);
        ps.setString(2, movieid);
        ps.setInt(3, quantity);
        ps.setString(4, type);
        ps.setString(5, issuedate);
        ps.setString(6, duedate);
        ps.setString(7, status);
        ps.setString(8, fine);
        ps.executeUpdate();
      }
      String query3 = "Delete from cart where memNo=?";
      ps = con.prepareStatement(query3);
      ps.setString(1, memNo);
      ps.executeUpdate();
      res = "true";
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {

        ps.close();

      } catch (SQLException e) {
        e.printStackTrace();
      }
    }
    return res;
  }