Add or Remove PDF Annotation in Java

add-annotation.java

// Open the source PDF document
Document pdfDocument = new Document("input.pdf");

// Create annotation
TextAnnotation textAnnotation = new TextAnnotation(pdfDocument.getPages().get_Item(1), new com.aspose.pdf.Rectangle(200, 400, 400, 600));

// Set annotation title
textAnnotation.setTitle("Sample Annotation Title");

// Set annotation subject
textAnnotation.setSubject("Sample Subject");
textAnnotation.setState(AnnotationState.Accepted);

// Specify the annotation contents
textAnnotation.setContents("Sample contents for the annotation");
textAnnotation.setOpen(true);
textAnnotation.setIcon(TextIcon.Key);
Border border = new Border(textAnnotation);
border.setWidth(5);
border.setDash(new Dash(1, 1));
textAnnotation.setBorder(border);
textAnnotation.setRect(new com.aspose.pdf.Rectangle(200, 400, 400, 600));

// Add annotation in the annotations collection of the page
pdfDocument.getPages().get_Item(1).getAnnotations().add(textAnnotation);

// Save the output file
pdfDocument.save("output.pdf");

remove-all-annotations.java

// Open source PDF document
Document pdfDocument = new Document("input.pdf");

// Delete all annotation
pdfDocument.getPages().get_Item(1).getAnnotations().delete();

// Save the update document
pdfDocument.save("output.pdf");

remove-annotation.java

// Open the source PDF document
Document pdfDocument = new Document("input.pdf");

// Delete particular annotation
pdfDocument.getPages().get_Item(1).getAnnotations().delete(1);

// Save the update document
pdfDocument.save("output.pdf");