What does update method of MessageDigest do and what is BASE64Encoder meant for?

Question

Following is a code that will encrypts the user String :

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.No         


        

Answer 1

While old post here is an updated answer. Java 8's Base64.

Java 8 Base64 Documents