How to create a pdf file in Java?

You can create a PDF file using the PDF Box library. You can set the environment for pdf box by following Pdf Box Environment Tutorial.

Example

import java.io.IOException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;

public class CreatingEmptyPdf {
   public static void main(String args[]) throws IOException {
      PDDocument document = new PDDocument();
      document.addPage(new PDPage());
      document.save("C:/pdfBox/BlankPdf.pdf");
      
      System.out.println("PDF created");
      document.close();
   }
}

Output

PDF created