String function ( ) { return String . format ( "srini_string" , who , when , amount ) ; }
returns a string representation of the transaction . concode_field_sep double amount concode_elem_sep Date when concode_elem_sep String who concode_field_sep double amount concode_elem_sep int compare concode_elem_sep int compare concode_elem_sep int compare concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep void main concode_elem_sep int compareTo concode_elem_sep Date when concode_elem_sep String who