Não compila

package br.com.teste;

import java.io.IOException;

import javax.lang.model.element.Element;
import javax.swing.text.Document;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;




public class Sistema {



         public static void main(String[] args) throws Exception  {
                DocumentBuilderFactory fabrica = DocumentBuilderFactory.newInstance();
                DocumentBuilder builder = fabrica.newDocumentBuilder();
                Document document = (Document) builder.parse("src/vendas.xml");

                NodeList formasDePagamento = ((org.w3c.dom.Document) document).getElementsByTagName("formaDePagamento");
                Element fdp= (Element) formasDePagamento.item(0);
                String formaDePagamento =  ((Node) fdp).getTextContent();
                System.out.println(formaDePagamento);


    }



}

Exception in thread "main" java.lang.ClassCastException: class com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl cannot be cast to class javax.swing.text.Document (com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl is in module java.xml of loader 'bootstrap'; javax.swing.text.Document is in module java.desktop of loader 'bootstrap')
    at br.com.teste.Sistema.main(Sistema.java:24)