Java/PDF RTF/PDF Version

Setting Pdf version: 1.2

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class PdfVersion1_2 {
  public static void main(String[] args) {
    Document document = new Document();
    try {
      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("PDFversion1_2.pdf"));
      writer.setPdfVersion(PdfWriter.VERSION_1_2);
      document.open();
      document.add(new Paragraph("This is a PDF-1.2 document"));
    } catch (Exception ioe) {
      System.err.println(ioe.getMessage());
    }
    document.close();
  }
}

Setting Pdf version: 1.3, 1.4, 1.5 and 1.6

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class PdfVersion1_3 {
  public static void main(String[] args) {
    Document document = new Document();
    try {
      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("PDFversion1_3.pdf"));
      writer.setPdfVersion(PdfWriter.VERSION_1_3);
      //writer.setPdfVersion(PdfWriter.VERSION_1_4);
      //writer.setPdfVersion(PdfWriter.VERSION_1_5);
      //writer.setPdfVersion(PdfWriter.VERSION_1_6);
      document.open();
      document.add(new Paragraph("This is a PDF-1.3 document"));
    } catch (Exception ioe) {
      System.err.println(ioe.getMessage());
    }
    document.close();
  }
}