import org.apache.commons.codec.binary.Base64; public class Base64Example { public static void main(String[] args) { byte[] encodedBytes = Base64.encodeBase64(originalString.getBytes()); String encodedString = new String(encodedBytes); System.out.println("Encoded String: " + encodedString); byte[] decodedBytes = Base64.decodeBase64(encodedBytes); String decodedString = new String(decodedBytes); System.out.println("Decoded String: " + decodedString); } }