regarding the pdf table using itext

package com.geek.tutorial.itext.table;

import java.io.FileOutputStream;

import com.lowagie.text.pdf.PdfPTable; import com.lowagie.text.pdf.PdfPCell; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.Document; import com.lowagie.text.Paragraph;

public class SimplePDFTable {

public SimplePDFTable() throws Exception{

    Document document = new Document();
    PdfWriter.getInstance(document, 
        new FileOutputStream("SimplePDFTable.pdf"));
    document.open();

    PdfPTable table = new PdfPTable(2); 
    table.addCell("1");
    table.addCell("2");

    table.addCell("3");
    table.addCell("4");

    table.addCell("5");
    table.addCell("6");

    document.add(table);        
    document.close();
}

public static void main(String[] args) {    
    try{
        SimplePDFTable pdfTable = new SimplePDFTable();
    }catch(Exception e){
        System.out.println(e);
    }
}

}