boolean function ( ) { return false ; }
returns a boolean that indicates whether the mark/reset methods are supported in this class . those methods can be used to remember a specific point in the stream and reset the stream to that point . this method always returns false in this class , but subclasses can override this method to return true if they support mark/reset functionality . concode_field_sep Object lock concode_field_sep int read concode_elem_sep int read concode_elem_sep int read concode_elem_sep int read concode_elem_sep boolean ready concode_elem_sep void reset concode_elem_sep long skip concode_elem_sep void close concode_elem_sep void mark