title: How to get the type of Field present in a PDF Form using PDFBox
body: <p>How to get the type of Field present in a PDF Form using PDFBOX. I mean if Radio button and check button is present in a PDF form it should  return me Radio button or check button 
  but use getFieldType() method I'm able to returns only "Txt" for Text box and for Radio / Checkbox it return -  "Btn"</p>
  
  <pre><code> PDDocument fdeb = null;
  
  fdeb = PDDocument.load("C:\\Users\\Desktop\\Sample.pdf");
  PDAcroForm form = fdeb.getDocumentCatalog().getAcroForm();
  List  FieldTy = form.getFields();
          PDField pdfFields;
  for (int i = 0; i &lt; FieldTy.size(); i++) 
    { 
    pdfFields = (PDField) FieldTy.get(i); 
    String fieldNameTyope = pdfFields.getFieldType(); 
        System.out.println(fieldNameTyope);
        }
  </code></pre>
  
  <p>But i need to distinguish wat kind of button is that whether  radio or check box or its a button 
  Can any one help me out Please 
  Thanks </p>