How to encode decode String in Java base64 Encoding

package com.rajesh.learnjava.restful.security;

import java.io.IOException;

import org.apache.commons.codec.binary.Base64;

/**

 * Java program to encode and decode String in Java using Base64 encoding algorithm

 * @author http://javarevisited.blogspot.com

 */

public class Base64EncodingExample{

    public static void main(String args[]) throws IOException {

        String orig = "root:root";

        //encoding  byte array into base 64
        byte[] encoded = Base64.encodeBase64(orig.getBytes());    

        System.out.println("Original String: " + orig );

        System.out.println("Base64 Encoded String : " + new String(encoded));

        //decoding byte array into base64
        byte[] decoded = Base64.decodeBase64(encoded);      

        System.out.println("Base 64 Decoded  String : " + new String(decoded));

    }
}