We will use this API to highlight text in the PDF file. GroupDocs.Annotation for Java is the API that allows easy manipulation and automation of annotations in documents within your Java-based applications. How to Programmatically Highlight in PDF.Additionally, there will be several properties of highlighting that can be adjusted according to the requirement. In this article, you will learn how to highlight text and any area in PDF files using Java.
As a developer, you can automate highlighting within your applications. It is often needed to highlight important areas of your documents on purpose.