final void sendHelp(){
  ArrayList<String> help=help();
  if (help.isEmpty()) {
    return;
  }
  XmppMsg msg=new XmppMsg();
  msg.addStringArray(help.toArray(new String[help.size()]));
  send(msg);
}

final void sendHelp ( ) { ArrayList < String > help = help ( ) ; if ( help . isEmpty ( ) ) { return ; } XmppMsg msg = new XmppMsg ( ) ; msg . addStringArray ( help . toArray ( new String [ help . size ( ) ] ) ) ; send ( msg ) ; }
sends the help messages from the current command to the user , does nothing if there are no help messages available
