apoi

I am creating a new Excel workbook with the aPOI library and I don't see a way to modify the style of a cell. Could someone clarify it for me? A small example would be very useful. Thanks

Currently using the aPOI library to create xlsx files. I'm looking to add pictures onto the sheet and am not sure if the library supports this yet? I've looked into the XSSFWorkbook Function - AddPicture and AddPicture2 and can successfully create an xlsx with no errors, however no pictures are...