Less Than Symbol [<] got replace to &lt in response string

Less Than Symbol [<] got replace to &lt in response string in the response xml

StringWriter writer = new StringWriter();
StreamResult result=new StreamResult(writer);
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
DOMSource source = new DOMSource(doc);
// StringWriter writer = new StringWriter();
transformer.transform(source, result);
String output = writer.toString();