java imap fetch messages since a date

Question

I am writing/learning to fetch email using java from an IMAP folder using javax.mail package. I was successfully able to retrieve the last n messages in a Folder, however I

Answer 1

All mails in the last month:

    Calendar cal = Calendar.getInstance();
    cal.roll(Calendar.MONTH, false);
    Message[] search = folder.search(new ReceivedDateTerm(ComparisonTerm.GT, cal.getTime()));