email - Sending mail attachment using Java -

i trying send email using java , g mail have stored files on cloud , stored files want send attachment mail.

it should add files mail , not links of files.

how can send such attachments ?

working code, have used java mail 1.4.7 jar

import java.util.properties; import javax.activation.*; import javax.mail.*;  public class mailprojectclass {  public static void main(string[] args) {      final string username = "your.mail.id@gmail.com";     final string password = "your.password";      properties props = new properties();     props.put("mail.smtp.auth", true);     props.put("mail.smtp.starttls.enable", true);     props.put("mail.smtp.host", "smtp.gmail.com");     props.put("mail.smtp.port", "587");      session session = session.getinstance(props,             new javax.mail.authenticator() {                 protected passwordauthentication getpasswordauthentication() {                     return new passwordauthentication(username, password);                 }             });      try {          message message = new mimemessage(session);         message.setfrom(new internetaddress("from.mail.id@gmail.com"));         message.setrecipients(message.recipienttype.to,                 internetaddress.parse("to.mail.id@gmail.com"));         message.setsubject("testing subject");         message.settext("pfa");          mimebodypart messagebodypart = new mimebodypart();          multipart multipart = new mimemultipart();          messagebodypart = new mimebodypart();         string file = "path of file attached";         string filename = "attachmentname";         datasource source = new filedatasource(file);         messagebodypart.setdatahandler(new datahandler(source));         messagebodypart.setfilename(filename);         multipart.addbodypart(messagebodypart);          message.setcontent(multipart);          system.out.println("sending");          transport.send(message);          system.out.println("done");      } catch (messagingexception e) {         e.printstacktrace();     }   } }