Filling PDF template text using Java code

Intro

The PDF template file for testing link here : test_template.pdf

Effect Screenshots

The left "test1111.pdf" is a pdf template before filling text.
The right "test2222.pdf" is result pdf file after filling text.

Paste below dependencies to your pom.xml

    com.itextpdf
    itext-asian
    5.2.0


    com.itextpdf
    itextpdf
    5.5.4

The complete Java code example

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

import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.Map;

public class PDFTest {
    public static void main(String[] args) {
        // pdf template path (you can get an online file here : https://blog.zhouzhipeng.com/wp-content/uploads/2019/07/test_template.pdf)
        String templatePath = "/Users/zhouzhipeng/Downloads/test1111.pdf";
        // new pdf path
        String newPDFPath = "/Users/zhouzhipeng/Downloads/test2222.pdf";
        try {
            FileOutputStream out = new FileOutputStream(newPDFPath);
            PdfReader reader = new PdfReader(templatePath);
            PdfStamper stamper = new PdfStamper(reader, out);
            AcroFields form = stamper.getAcroFields();
            Map map = new HashMap<>();
            map.put("Anticipated monthly number of transactions outgoing", "aaaaa");
            map.put("Description of how the individual interacts with digital assets", "bbbbb");
            map.put("Nature / Purpose of the Account", "cccccc");
            map.put("Anticipated monthly volume in USD", "10000");
            map.put("Anticipated Trading Patterns", "online");
            map.put("Anticipated monthly number of transactions incoming", "10");
            map.put("Date", "2019/07/10");
            map.put("Please list any associations the individual has with previous or current accounts with Prime Trust", "no");
            map.put("Anticipated types of assets deposited into account", "btc");
            map.put("TItle or Position", "test title");
            map.put("Referred By Or Prime Trust Representative", "i don't know");
            map.put("Long hand Signature", "zhouzhipeng");
            map.put("Signature", "xiaozhou");
            map.put("Sources of assets  income", "salary");
            for (String name : form.getFields().keySet()) {
                form.setField(name, map.get(name));
            }
            //true means the new PDF is uneditable
            stamper.setFormFlattening(true);
            stamper.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

Debug the code for getting the Placeholders

debugging the javacode ,and watch on the variable "form".