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In this core java tutorial we will learn How To UnderLine Text In Pdf in java using iText library - core java tutorial with program and examples.

Follow these steps to UnderLine Text In Pdf in java using iText library >

Create new Chunk (Chunk textUnderline = new Chunk("UnderLine Text"));
Then use textUnderline.setUnderline(0.8f, -1f);

Where, 0.8f is the thickness of underline and -1f is the position of y axis, i.e. where underline will be drawn.

Also read : How To Set Header and Footer in pdf in java using Itext Example - iText java tutorial

How to create Bar Chart In Pdf in java - iText java tutorial

Create Pie Chart In Pdf in java using itext - iText java tutorial

How to Modify - Add Text To Existing PDF in java - iText java tutorial example

Download jars required to execute program >

iText.jar (Also learn - Configure java build path in eclipse to add jars)

Or, you may download jars from here.

Program/Example How To UnderLine Text In Pdf in java - Using iText library

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStream;

import com.itextpdf.text.Chunk;

import com.itextpdf.text.Document;

import com.itextpdf.text.Paragraph;

import com.itextpdf.text.pdf.PdfWriter;

/**

* How To UnderLine Text In Pdf Using Itext Example -

* Using iText library - core java tutorial

public class UnderLineTextInPdfUsingItextExample {

public static void main(String[] args) throws Exception {

String pdfFilePath = "e:/UnderLine Text in Pdf Using Itext Example.pdf";

OutputStream fos = new FileOutputStream(new File(pdfFilePath));

Document document = new Document();

PdfWriter.getInstance(document, fos);

document.open();

document.add(new Paragraph("This is UnderLine Text in Pdf Example"));

Chunk textUnderline = new Chunk("UnderLine Text");

textUnderline.setUnderline(0.8f, -1f); // 0.8f is the thickness of underline

//and -1f is the position of y axis, i.e. where underline will be drawn.

//Just for information

//If you use 2.5f then it form Strikethrough text, try it.

//If you use 10f then it form line above text, try this one too..

document.add(textUnderline);

document.close();

fos.close();

System.out.println("PDF created in >> " + pdfFilePath);

}

/* OUTPUT of above program/Example -

PDF created in >> e:/UnderLine Text in Pdf Using Itext Example.pdf

PDF formed after executing above java program will look like this >

Summary -

So in this core java tutorial we learned How To UnderLine Text In Pdf in java using iText library - core java tutorial with program and examples.

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References >

http://api.itextpdf.com/itext/com/itextpdf/text/package-tree.html

iText library tutorial in java - How to Create and work with PDF files in java

HEADER and FOOTER in pdf in java - iText tutorial >

How To Set Header and Footer in pdf in java using Itext Example - iText java tutorial

BAR AND PIE CHARTS in pdf in java - iText tutorial >

How to create Bar Chart In Pdf in java - iText java tutorial

Create Pie Chart In Pdf in java using itext - iText java tutorial

MODIFY/ EDIT pdf in java - iText tutorial >

How to Modify - Add Text To Existing PDF in java - iText java tutorial example

How To Read And Add Image To Existing Pdf in java Example - iText java tutorial

Solve common Exceptions in itext in java - iText tutorial >

How to solve the Document Has No Pages IOException in iText in java

Alternates to itext in java - iText tutorial >

What are alternatives to iText library for creating Pdf in java?

Labels: Core Java iText Pdf tutorial