java - How to change the fontsize when writing to a text file -

I am writing information in a text file, I am writing for the text, I use the font size for the data How to change File. It's also how you can write data in bold or underlined. Actually, the .txt format does not include formatting like font size, bonds, italic, etc.

You probably want to use markup language like html , or another file

And there is some information about learning a Java library

To write an RTF:

And a Java Library for writing PDFs: / P>

Good luck.