how to convert xml to String in java code

Xml to string  convert.

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;




public class XmlAsStringInJava {
 
 public static void main(String args[]){
  String data=convertXMLFileToString("C:\\Users\\kmandal\\Desktop\\xmlData.xml");
  System.out.println(data);
 }

  public static String convertXMLFileToString(String fileName) 
    { 
      try{ 
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); 
        InputStream inputStream = new FileInputStream(new File(fileName)); 
        org.w3c.dom.Document doc = documentBuilderFactory.newDocumentBuilder().parse(inputStream); 
        StringWriter stw = new StringWriter(); 
        Transformer serializer = TransformerFactory.newInstance().newTransformer(); 
        serializer.transform(new DOMSource(doc), new StreamResult(stw)); 
        return stw.toString(); 
      } 
      catch (Exception e) { 
        e.printStackTrace(); 
      } 
        return null; 
    }
}

<Data>
 <user>
   <userId>12222</userId>
   <loginName>Kartik</loginName>
   <fullName> Kartik Chandra Mandal</fullName>
  <userProfileList>
   <parameter>
    <key>df</key>
    <value>etry</value>
   </parameter>
  </userProfileList>
 </user>
 <metaData>
  <defaultCurrencyCode>INR</defaultCurrencyCode>
  <year>25-02-2020</year>
  <month>12</month>
  <weekOfMonth>3rd</weekOfMonth>
  <startDate>25-02-2020</startDate>
  <endDate>25-02-2020</endDate>
 </metaData>
 <groups>
  <locale>EN</locale>
  <dateFormat>25-02-2020</dateFormat>
  <currencySymbol>USD</currencySymbol>
  <cobrandId>99</cobrandId>
  <userCurrency>USD</userCurrency>
  <decimalSeparator>Yes</decimalSeparator>
  <groupingSeparator>YES</groupingSeparator>
  <groupPattern>YES</groupPattern>
  <group>
   <categories>
    <category>
     <type>GOAL</type>
     <categoryId>KK</categoryId>
     <currencyCode>USD</currencyCode>
     <name>Kartik</name>
     <goal>Car</goal>
     <threshold>123</threshold>
     <thresholdAmount>123</thresholdAmount>
     <current>1223</current>
     <average>123</average>
    </category>
   </categories>
   <totalGoal>5</totalGoal>
   <totalAmount>43645</totalAmount>
   <categoryTypes>
    <categoryType>
     <categoryTypeId></categoryTypeId>
     <categoryTypeName></categoryTypeName>
     <categories>
      <category>
       <type>GOAL</type>
       <categoryId>KK</categoryId>
       <currencyCode>USD</currencyCode>
       <name>Kartik</name>
       <goal>Car</goal>
       <threshold>123</threshold>
       <thresholdAmount>123</thresholdAmount>
       <current>1223</current>
       <average>123</average>
      </category>
     </categories>
     <totalGoal>45446</totalGoal>
     <totalAmount>243</totalAmount>
    </categoryType>
   </categoryTypes>
   <groupId>sfsfd</groupId>
   <groupName>safd</groupName>
  </group>
 </groups>
 <thresholdBalance>2000</thresholdBalance>
 <fromDate>25-02-2020</fromDate>
 <toDate>25-02-2020</toDate>
 <goals>
  <goal>
   <id>100</id>
   <name>Kartik</name>
   <completionDate>25-02-2020</completionDate>
   <targetAmount>10000</targetAmount>
   <targetAmountCurrency></targetAmountCurrency>
   <saveAmount>2000</saveAmount>
   <saveAmountCurrency>123</saveAmountCurrency>
   <remainingAmount>8000</remainingAmount>
   <remainingAmountCurrency>123</remainingAmountCurrency>
   <nextContributionDate>25-02-2016</nextContributionDate>
   <status>inprogress</status>
   <timeLeft>25</timeLeft>
   <targetDate>25-02-2015</targetDate>
   <projectedSavedAmount>2000</projectedSavedAmount>
   <percentage>20</percentage>
  </goal>
 </goals>
</Data>

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About Kartik Chandra Mandal

I am Kartik Chandra Mandal from Bangalore, India. Working as software engineer in Java technology. Have good knowledge of OWASP and CSRF in security for applications and it's implementation in Java technology.

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