iText 5 PDF - How to underline text with a dotted line?

To create PDF file we need iText 5 jar. Download iText Jars from iText Website or Maven Repository

Maven Dependency



 com.itextpdf
 itextpdf
 5.5.11

UnderlineWithDottedLine.java

package com.javatutorialcorner.itextpdf;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.draw.DottedLineSeparator;
 

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
 
public class UnderlineWithDottedLine {
 
 public static final String DEST = "C:/JTC/UnderlineWithDottedLine.pdf";
   
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new UnderlineWithDottedLine().createPdf(DEST);
    }
 
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        Paragraph p = new Paragraph("This line will be underlined with a dotted line.");
        DottedLineSeparator dottedline = new DottedLineSeparator();
        dottedline.setOffset(-2);
        dottedline.setGap(2f);
        p.add(dottedline);
        document.add(p);
        document.close();
    }
}

Output