Comments.java

for (ListIterator iter = annotsArray.listIterator(); iter.hasNext();)
{
  PdfDictionary annot = (PdfDictionary) PdfReader.getPdfObject( iter.next());
  PdfString content = (PdfString) PdfReader.getPdfObject(annot.get(PdfName.WIDTH));
  if (content != null) {
    System.out.println(content);
  }
}