Add Underline Annotations in PDF using Java

Add Underline annotation to PDF document programmaticaly using Aspose.PDF for Java Library

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In order to annotate PDF file, we’ll use Aspose.PDF for Java API which is a feature-rich, powerful and easy to use conversion API for Java platform. You can download its latest version directly from Maven and install it within your Maven-based project by adding the following configurations to the pom.xml.

Repository

<repository>
    <id>AsposeJavaAPI</id>
    <name>Aspose Java AP</name>
    <url>https://releases.aspose.com/java/repo/</url>
</repository>

Dependency

<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-pdf</artifactId>
<version>version of aspose-pdf API</version>
</dependency>

Add Underline Annotation via Java

You need Aspose.PDF for Java to try the code in your environment.

  • Load PDF in an instance of Document class
  • Create a new page or get a reference to an existing one
  • Create Underline annotation
  • Call method Add for Underline annotation from Page.Annotations collections
  • Save the file again

System Requirements

Aspose.PDF for Java is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with Java Runtime Environment for JSP/JSF Application and Desktop Applications.
  • Development environment like Eclipse or IntelliJ IDEA
  • Aspose.PDF for Java library referenced in your project.

Add Underline Annotations from PDF - Java

Example