Mail.java

public class Mail {
    public void doSendMails() {
        // The main unorganized mail queue
        Vector mailQueue = new Vector();
        mailQueue = getAllMails();
        Vector northMails = new Vector();
        Vector southMails = new Vector();
        Vector eastMails = new Vector();
        Vector westMails = new Vector();
        // Start categorizing the mails
        for (int cnt = 0; cnt < mailQueue.size; cnt++) {
            Mails oneMail = mailQueue.get(cnt);
            if (oneMail.getMailAdress().toUpperCase.contains("NORTH")) {
                northMails.add(oneMail);
            } else if (oneMail.getMailAdress().toUpperCase.contains("SOUTH")) {
                southMails.add(oneMail);
            } else if (oneMail.getMailAdress().toUpperCase.contains("EAST")) {
                eastMails.add(oneMail);
            } else {
                westMails.add(oneMail);
            }
        }
        Vector<vector> allMails = new Vector();
        allMails.add(northMails);
        allMails.add(southMails);
        allMails.add(eastMails);
        allMails.add(southMails);
    }
}