Use java to delete XML declarations from the generated XML document

String root = "RdbTunnels";

String root = "RdbTunnels";
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
Document document = documentBuilder.newDocument();
Element rootElement = document.createElement(root);
document.appendChild(rootElement);   

OutputFormat format = new OutputFormat(document);
format.setIndenting(true);


XMLSerializer serializer = new XMLSerializer(System.out,format);
serializer.serialize(document);

The results are as follows

<?xml version="1.0" encoding="UTF-8"?>
<RdbTunnels/>

But I need to remove the XML declaration from the output. What should I do?

Solution

Has transformer seen outputkeys? Specific omit_ XML_ DECLARATION.

Note that deleting headers is valid in XML 1.0, but you are missing character encoded data (among other things), which can be very important