package com.aspose.pdf.examples.AsposePdfLegacy.Documents; import aspose.pdf.OpenType; import aspose.pdf.Pdf; public class SetTheAppearanceOfTheDocument { public static void main(String[] args) { // Instantiate Pdf instance Pdf pdf1 = new Pdf(); // Set OpenType property of Pdf instance to any pre-defined value pdf1.setOpenType(OpenType.Thumbnails); } }