How to Add Ellipse Annotation in PDF using Java. For more information, please follow link: https://kb.groupdocs.com/

How to Add Ellipse Annotation in PDF using Java.java

import com.groupdocs.annotation.Annotator;
import com.groupdocs.annotation.licenses.License;
import com.groupdocs.annotation.models.PenStyle;
import com.groupdocs.annotation.models.Rectangle;
import com.groupdocs.annotation.models.annotationmodels.EllipseAnnotation;
import java.util.Calendar;

public class AddEllipseAnnotationinPDFusingJava {
    public static void main(String[] args) {
        // Set License to avoid the limitations of Annotation library
        License license = new License();
        license.setLicense("GroupDocs.Annotation.lic");

        // Create an instance of Annotator class
        Annotator annotator = new Annotator("input.pdf");
        // Create an instance of EllipseAnnotation class and set options
        EllipseAnnotation ellipse = new EllipseAnnotation();
        ellipse.setBackgroundColor(65535);
        ellipse.setBox(new Rectangle(100, 100, 100, 100));
        ellipse.setCreatedOn(Calendar.getInstance().getTime());
        ellipse.setMessage("This is ellipse annotation");
        ellipse.setOpacity(0.7);
        ellipse.setPageNumber(0);
        ellipse.setPenColor(65535);
        ellipse.setPenStyle(PenStyle.DOT);
        ellipse.setPenWidth((byte) 3);

        // Add ellipse annotation to Annotator
        annotator.add(ellipse);
        // Save the final PDF to disk
        annotator.save("result.pdf");
    }
}