import java.nio.charset.StandardCharsets; import java.util.Base64; public class Decode { public static void main(String[] args) { String data = "VG8gZXJyIGlzIGh1bWFuLCBidXQgdG8gcmVhbGx5IGZvdWwgdGhpbmdzIHVwIHlvdSBuZWVkIGEgY29tcHV0ZXIuCiAgICAtLSBQYXVsIFIuIEVocmxpY2g="; Base64.Decoder decoder = Base64.getDecoder(); byte[] decoded = decoder.decode(data); String decodedStr = new String(decoded, StandardCharsets.UTF_8); System.out.println(decodedStr); } }