Here you can find the source of base64Decode(final String data)
static byte[] base64Decode(final String data)
//package com.java2s; //License from project: Apache License import java.util.Base64; public class Main { static byte[] base64Decode(final String data) { return Base64.getDecoder().decode(data); }//w w w. j a v a 2s . c o m }