class
DuplicateFormatFlagsException
FormatFlagsConversionMismatchException
IllegalFormatCodePointException
Character.isValidCodePoint(int)
Formatter
IllegalFormatConversionException
IllegalFormatFlagsException
IllegalFormatPrecisionException
-1
IllegalFormatWidthException
MissingFormatArgumentException
MissingFormatWidthException
UnknownFormatConversionException
UnknownFormatFlagsException