gets the wallet with a specific id concode_field_sep BigDecimal tradingFee concode_elem_sep Map<String,Wallet> wallets concode_elem_sep String username concode_field_sep BigDecimal getTradingFee concode_elem_sep Map<String,Wallet> getWallets concode_elem_sep String toString concode_elem_sep String getUsername
Wallet function ( String arg0 ) { return wallets . get ( arg0 ) ; }