void function ( String arg0 ) { this . lastName = arg0 ; }
method name : setlastname purpose : allows mutation of lastname parameters : string lastname returns : void concode_field_sep int borrowerID concode_elem_sep String lastName concode_elem_sep String firstName concode_elem_sep String emailAddress concode_field_sep String getEmailAddress concode_elem_sep void setFirstName concode_elem_sep void setEmailAddress concode_elem_sep String getLastName concode_elem_sep String getFirstName concode_elem_sep int getBorrowerID