question: appends the string specified in the constructor to the string passed as argument . concode_field_sep String toAppend concode_elem_sep String[] strings concode_field_sep String with concode_elem_sep String quote concode_elem_sep Object quote concode_elem_sep boolean isEmpty concode_elem_sep String concat concode_elem_sep StringsToJoin join concode_elem_sep StringToAppend append
target: String function ( String arg0 ) { if ( ! arg0 . endsWith ( toAppend ) ) return concat ( arg0 , toAppend ) ; return arg0 ; }