Pdf Java Programming [2026]

Table table = new Table(3); table.addCell("Item"); table.addCell("Quantity"); table.addCell("Price"); table.addCell("Laptop"); table.addCell("2"); table.addCell("$1200");

Add the following to your pom.xml :

// Create a new PDF stamper PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("modified_example.pdf")); pdf java programming

PDF objects in Java (like PDDocument or PdfWriter ) hold system resources and file locks. Always use the statement to ensure documents are closed automatically, preventing memory leaks and locked files.

import java.io.IOException; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.PDPageContentStream; import org.apache.pdfbox.pdmodel.font.PDType1Font; Table table = new Table(3); table

import com.itextpdf.text.Document; import com.itextpdf.text.pdf.PdfReader; import com.itextpdf.text.pdf.PdfStamper;

When reading PDFs, remember that PDF is a display format, not a data structure. There is no concept of "rows" or "tables" in the raw PDF syntax—only coordinates ( x, y ). Extracting tabular data often requires custom logic to parse coordinates and reconstruct the visual layout into logical data. There is no concept of "rows" or "tables"

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