With this example we are going to demonstrate how to create an empty DOMDocument, that represents the entire HTML or XML document. The DOM Document is the root of the document tree, and provides the primary access to the document’s data. In short, to create an empty DOM Document you should:

• Obtain a new instance of aDocumentBuilderFactory, that is a factory API that enables applications to obtain a parser that produces DOM object trees from XML documents.
• Create a new instance of aDocumentBuilder, usingnewDocumentBuilder() API method of DocumentBuilderFactory.
• CallnewDocument() API method of DocumentBuilder to obtain a new instance of a DOM Document object.
• Get the value of thisNode, usinggetNodeValue() API method of Node.

Let’s take a look at the code snippet that follows:  

package com.javacodegeeks.snippets.core;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import org.w3c.dom.Document;public class CreateEmptyDOMDocument {public static void main(String[] args) throws Exception {DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();DocumentBuilder builder = dbf.newDocumentBuilder();Document doc = builder.newDocument();System.out.println(doc.getNodeValue());}}

Output:

null

  
This was an example of how to create an empty DOM Document in Java.

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