import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class TestSendEmails {
    private String emailTo;
    private String emailSubject;
    private String emailBody;
    private String emailAttachments;

    public TestSendEmails(){

    }

    public TestSendEmails(String emailTo, String emailSubject, String emailBody, String emailAttachments){
        super();
        this.emailTo = emailTo;
        this.emailSubject = emailSubject;
        this.emailBody = emailBody;
        this.emailAttachments = emailAttachments;
    }

    public String getEmailTo(){
        return emailTo;
    }

    public void setEmailTo(String emailTo){
        this.emailTo = emailTo;
    }

    public String getEmailSubject(){
        return emailSubject;
    }

    public void setEmailSubject(String emailSubject){
        this.emailSubject = emailSubject;
    }

    public String getEmailBody(){
        return emailBody;
    }

    public void setEmailBody(String emailBody){
        this.emailBody = emailBody;
    }

    public String getEmailAttachments(){
        return emailAttachments;
    }

    public void setEmailAttachments(String emailAttachments){
        this.emailAttachments = emailAttachments;
    }
}

class TestSendEmailD{
    private Connection con;

    private static final String GET_EMAILS = "Select* From Emails";

    private void connect() throws InstantiationException, IllegalAccessException, ClassNotFoundException, SQLException{
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();
        con = DriverManager.getConnection("jdbc:sqlserver://100.000.000.00\:3333;databaseName=Test;user=mmmm;password=1234");
    }

    public List<TestSendEmails> getTestSendEmails() throws Exception{
        connect();
        PreparedStatement ps = con.prepareStatement(GET_EMAILS);
        ResultSet rs = ps.executeQuery();
        List<TestSendEmails> result = new ArrayList<TestSendEmails>();
        while(rs.next()){
            result.add(new TestSendEmails(rs.getString("emailTo"), rs.getString("emailSubject"),rs.getString("emailBody"),rs.getString("emailAttachments")));
        }
        disconnect();
        return result;
    }

    private void disconnect() throws SQLException{
        if(con != null){
            con.close();
        }
    }
}

class EmailSender{
    private Session session;

    private void init(){
        Properties props = new Properties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.starttls.enable", "true");
        props.put("mail.smtp.host", "100.000.000.00");
        props.put("mail.smtp.port", "678");

        session = Session.getInstance(props,
                  new javax.mail.Authenticator() {
                    protected PasswordAuthentication getPasswordAuthentication() {
                        return new PasswordAuthentication("test@gmail.com", "123");
                    }
                  });
    }

    public void sendEmail(TestSendEmails s) throws MessagingException{
        init();
        Message message = new MimeMessage(session);
        message.setFrom(new InternetAddress("test@gmail.com"));
        message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(s.getEmailTo().replace(";", ",")));
        message.setSubject(s.getEmailSubject());
        message.setText(s.getEmailBody());
        message.setContent(s.getEmailBody(),"text/html");
        Transport.send(message);
        System.out.println("Done");
    }

    public void sendEmail(List<TestSendEmails> emails) throws MessagingException{
        for(TestSendEmails TestSendEmails:emails ){
            sendEmail(TestSendEmails);
        }
    }
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.util.Date;

public class UpdateEmail {
  public static Connection getConnection() throws Exception {
    String driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
    String url = "jdbc:sqlserver://100.000.000.00\:3333;databaseName=Test";
    String username = "mmmm";
    String password = "1234";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String[] args) throws Exception {
    java.util.Date date = new Date();
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = getConnection();
      String query = "update Emails set SentOn = ? where Id = ? ";
      pstmt = conn.prepareStatement(query); // create a statement
      pstmt.setTimestamp(1, new java.sql.Timestamp(date.getTime()));
      pstmt.setInt(2, 200); // In this line I want to use my array-list to update my table.
      pstmt.executeUpdate(); // execute update statement
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    } finally {
      pstmt.close();
      conn.close();
    }
  }
}