WritingFormat:

1. Call :

NumberFormatter.WritingFormat

2. Constructor :

public WritingFormat.ROMAN

Call the class with roman numbers

public WritingFormat.GREEK

Call the class with custom greek numbers

3. Method :

String convert(int integer) -> convert an integer

-> 956 : ϡνϛ

String convert(long llong) -> transforme a long

-> 1819616 : [M][D][C][C][C][X]M[X]DCXVI