import java.util.Base64; public class Base64Example { public static void main(String[] args) { String encodedString = Base64.getEncoder().encodeToString(originalString.getBytes()); System.out.println("Encoded String: " + encodedString); byte[] decodedBytes = Base64.getDecoder().decode(encodedString); String decodedString = new String(decodedBytes); System.out.println("Decoded String: " + decodedString); } }