Also import following class to generate pdf
import com.itextpdf.text.*;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
You can also refer more methods and techniques to generate pdf with inbuilt facility on below official link:
If anyone like my help to make it easy than give Up Arrow and Right Click for the same.
Thankyou.