private void findChildren() {
   childList.clear();
   try (Connection con = ds.getConnection()) {
     //            Student student = studentdao.findByID(selectedStudent);
     Map<String, List<String>> map = savaildao.findByID(selectedStudent);
     String sql = findChildrenSQL();
     try (PreparedStatement find = con.prepareStatement(sql)) {
       //                Map<String, List<String>> map = student.getDaymap();
       for (Map.Entry<String, List<String>> entry : map.entrySet()) {
         find.setString(1, entry.getKey());
         List<String> list = entry.getValue();
         // loop through the list
         for (int i = 0; i < list.size(); i++) {
           find.setString(2, list.get(i));
           try (ResultSet rs = find.executeQuery()) {
             while (rs.next()) {
               Child child = childdao.findByID(rs.getLong("childid"));
               // make sure it's not already a part of the list
               if (childList.isEmpty()) {
                 childList.add(child);
               } else
                 for (int j = 0; j < childList.size(); j++) {
                   if (childList.get(j).getChildID() == child.getChildID()) break;
                   if (j == childList.size() - 1) {
                     childList.add(child);
                     break;
                   }
                 }
             }
           }
         }
       }
     }
   } catch (SQLException ex) {
     Logger.getLogger(AdminPairing.class.getName()).log(Level.SEVERE, null, ex);
     System.err.println(ex.getMessage());
   }
 }
 public void sendConfirmation(Student pairedStudent, Child pairedChild) {
   String to = pairedStudent.getEmail() + "," + pairedChild.getEmail();
   String subject = "Partners In Reading - You have been paired!";
   String body =
       "<html>"
           + "<body><center>"
           + "<h3>Pairing Information</h3>"
           + "<p>Don't forget to contact each other for information</p>"
           + "<p>Student's Name: "
           + pairedStudent.getFirstname()
           + " "
           + pairedStudent.getLastname()
           + "<br/>"
           + "Student's email: "
           + pairedStudent.getEmail()
           + "<br/>"
           + "Student's cellphone: "
           + pairedStudent.getCellphone()
           + "<br/>"
           + "<br/>"
           + "Child's Name: "
           + pairedChild.getFirstname()
           + " "
           + pairedChild.getLastname()
           + "<br/>"
           + "Child's Parent's Name: "
           + pairedChild.getParent_one()
           + "<br/>"
           + "Child's email: "
           + pairedChild.getEmail()
           + "<br/>"
           + "Child's cellphone: "
           + pairedChild.getCellphone()
           + "<br/>"
           + "Child's homephone: "
           + pairedChild.getHomephone()
           + "</p>"
           + "Here is your session time:"
           + "<br/>"
           + "Day: "
           + day
           + "<br/>"
           + "Time: "
           + hour
           + "<br/>"
           + "Thanks for participating!<br/>"
           + "The Partners In Reading Team"
           + "</center></body>"
           + "</html>";
   MailSender email = new MailSender(to, subject, body);
   email.send();
 }