question: @ Override public boolean hasNext ( ) { if ( ( maxNumber > - 1 ) && ( linesRead >= maxNumber ) ) { return false ; } if ( lineRead ) { return ! eof ; } try { eof = ! readLine ( ) ; if ( eof ) { inAttributes . close ( ) ; if ( inLabels != null ) { inLabels . close ( ) ; } } } catch ( IOException e ) { throw new RuntimeException ( e . getMessage ( ) , e ) ; } lineRead = true ; return ( ! eof ) ; }
target:  Checks if further examples exist. Returns false if one of the files end. 