import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfPageLabels;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
writer.setViewerPreferences(PdfWriter.PageModeUseThumbs);
document.open();
Paragraph hello = new Paragraph("(English:) hello, ");
document.add(new Paragraph("1. To the Universe:"));
document.add(hello);
PdfPageLabels pageLabels = new PdfPageLabels();
pageLabels.addPageLabel(1, PdfPageLabels.LOWERCASE_ROMAN_NUMERALS);
pageLabels.addPageLabel(5, PdfPageLabels.DECIMAL_ARABIC_NUMERALS);
pageLabels.addPageLabel(8, PdfPageLabels.DECIMAL_ARABIC_NUMERALS, "A-", 8);
writer.setPageLabels(pageLabels);
document.close();
}
}