get list of account numbers as string . concode_field_sep AccountDAO accountsHolder concode_elem_sep TransactionDAO transactionsHolder concode_field_sep TransactionDAO getTransactionsDAO concode_elem_sep List<Transaction> getTransactionLogs concode_elem_sep AccountDAO getAccountsDAO concode_elem_sep void setAccountsDAO concode_elem_sep void updateAccountBalance concode_elem_sep void setTransactionsDAO concode_elem_sep void setup concode_elem_sep void addAccount
List < String > function ( ) { return accountsHolder . getAccountNumbersList ( ) ; }