class CreateBlankPDF
{
    private CreateBlankPDF()
    {        
    }
    
    public static void main(String[] args) throws IOException
    {<FILL_FUNCTION_BODY>}
}

        if (args.length != 1)
        {
            System.err.println("usage: " + CreateBlankPDF.class.getName() + " <outputfile.pdf>");
            System.exit(1);
        }

        String filename = args[0];

        try (PDDocument doc = new PDDocument())
        {
            // a valid PDF document requires at least one page
            PDPage blankPage = new PDPage();
            doc.addPage(blankPage);
            doc.save(filename);
        }
    
<no_super_class>