How to wirte a simple document in PDF format

writePDFfile.java

import java.awt.Color;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;

import org.apache.commons.lang3.StringUtils;

import com.itextpdf.text.Element;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.List;


public void createTestPDF () {
	Document document = null;
        try
        {
            File file = new File("C:\\dati\\testPDF.pdf");
            FileOutputStream fileOutputStream = new FileOutputStream(file);

            document = new Document();

            PdfWriter.getInstance(document, fileOutputStream);
            document.addAuthor("Me");
            document.addTitle("PDF test");

            document.open();

            Chunk chunk = new Chunk("iText test");
            Font font = new Font(Font.COURIER);
            font.setStyle(Font.UNDERLINE);
            font.setStyle(Font.ITALIC);
            chunk.setFont(font);
            chunk.setBackground(Color.CYAN);
            document.add(chunk);

            Paragraph paragraph = new Paragraph();
            paragraph.add("New paragrapj test");
            paragraph.setAlignment(Element.ALIGN_CENTER);
            document.add(paragraph);

            Image image;
            try
            {
                image = Image.getInstance("C:\\dati\\img.png");
                image.setAlignment(Image.MIDDLE);
                document.add(image);
            }
            catch (MalformedURLException mue)
            {
                mue.printStackTrace();
            }
            catch (IOException ioe)
            {
                ioe.printStackTrace();
            }
            List list = new List(true, 15);
            list.add("ABC");
            list.add("DEF");
            document.add(list);
                
            
        }
        catch (FileNotFoundException fnfe)
        {
            log.error("Errore durante l'esecuzione del task", fnfe);
        }
        catch (DocumentException de) {
            de.printStackTrace();
        }
        finally
        {
            try
            {
                if (document != null)
                    document.close();
            }
            catch (Exception e)
            {
            	e.printStackTrace();
            }
        }
}