question: unsupported . concode_field_sep BufferedReader reader concode_elem_sep String segment concode_elem_sep String DASH_COMMENT concode_elem_sep String SLASH_COMMENT concode_elem_sep String SEMI concode_field_sep Object next concode_elem_sep void closeReader concode_elem_sep void setValue concode_elem_sep boolean hasNext concode_elem_sep int nextInt concode_elem_sep void remove
target: long function ( ) { throw new UnsupportedOperationException ( ) ; }