<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE All [
<!ELEMENT All (name, phone,email, description)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT phone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT description (#PCDATA)>
]>
<All>
<name>t1</name>
<phone>t2</phone>
<email>t3</email>
<description>t3</description>
</All>

DocumentBuilderFactory fact =DocumentBuilderFactory.newInstance();
DocumentBuilder builder= null ;
 try {
builder=fact.newDocumentBuilder();
} catch (ParserConfigurationException ex){
ex.printStackTrace();
}
Document doc=builder.newDocument();

Text txtName=doc.createTextNode("t1");
Text txtPhone=doc.createTextNode("t2");
Text txtEmail=doc.createTextNode("t3");
Text txtDescription=doc.createTextNode("t4");

Element root=doc.createElement("All");
Element elementName=doc.createElement("name");
Element elementPhone=doc.createElement("phone");
Element elementEmail=doc.createElement("email");
Element elementDescription=doc.createElement("description");

elementName.appendChild(txtName);
elementEmail.appendChild(txtEmail);
elementPhone.appendChild(txtPhone);
elementDescription.appendChild(txtDescription);

root.appendChild(elementName);
root.appendChild(elementPhone);
root.appendChild(elementEmail);
root.appendChild(elementDescription);
doc.appendChild(root);

Transformer t=TransformerFactory.newInstance().newTransformer();
t.transform( new  DOMSource(doc,  new  StreamResult( new  FileOutputStream( new  File("myfile.xml"))));