Integer function ( ) { return id ; }
returns the id of the user concode_field_sep String password concode_elem_sep ArrayList<Mail> mailbox concode_elem_sep ArrayList<Auction> auctionsWon concode_elem_sep ArrayList<Item> bags concode_elem_sep Integer id concode_elem_sep ArrayList<Auction> auctions concode_elem_sep String username concode_field_sep void checkMail concode_elem_sep int getAuctionsNumber concode_elem_sep void whoAmI concode_elem_sep void receiveMail concode_elem_sep void addWonAuction concode_elem_sep int getActiveAuctionsNumber concode_elem_sep void addAuction concode_elem_sep void openMail concode_elem_sep void receiveItem concode_elem_sep String getUsername concode_elem_sep ArrayList<Auction> getAuctions concode_elem_sep Item getItemFromBags concode_elem_sep String generateRandomPassword concode_elem_sep String getType concode_elem_sep ArrayList<Auction> getAuctionsWon