question: public static DataDisplayTable listTables ( Font font ) { String [ ] header = { "tag" , "checksum" , "length" , "offset" } ; Align [ ] displayAlignment = { Align . Left , Align . Right , Align . Right , Align . Right } ; DataDisplayTable table = new DataDisplayTable ( Arrays . asList ( header ) ) ; table . setAlignment ( Arrays . asList ( displayAlignment ) ) ; int fontSize = 0 ; Iterator < ? extends Table > fontTableIter = font . iterator ( ) ; while ( fontTableIter . hasNext ( ) ) { Table fontTable = fontTableIter . next ( ) ; fontSize += fontTable . headerLength ( ) ; } fontTableIter = font . iterator ( ) ; while ( fontTableIter . hasNext ( ) ) { Table fontTable = fontTableIter . next ( ) ; String name = Tag . stringValue ( fontTable . headerTag ( ) ) ; String checksum = String . format ( "0x%0" + CHECKSUM_LENGTH + "X" , fontTable . headerChecksum ( ) ) ; int length = fontTable . headerLength ( ) ; double lengthPercent = length * 100.0 / fontSize ; int offset = fontTable . headerOffset ( ) ; String [ ] data = { name , checksum , String . format ( "%s (%s%%)" , length , twoDecimalPlaces . format ( lengthPercent ) ) , String . format ( "%d" , offset ) } ; table . add ( Arrays . asList ( data ) ) ; } return table ; }
target:  Gets a list of tables in the font as well as their sizes. This function returns a list of tables in the given font as well as their sizes, both in bytes and as fractions of the overall font size. The information for each font is contained in a TableInfo object.