UUID uid = UUID.fromString("38400000-8cf0-11bd-b23e-10b96e4ef00d");
    // checking the value of random UUID
    System.out.println("Random UUID value: " + uid.randomUUID());

     String str = new String(DatatypeConverter.parseBase64Binary("dfaegaedfadfsaf asfdsfsddf v123"));
     String res = DatatypeConverter.printBase64Binary(str.getBytes());
     String result = new String(DatatypeConverter.parseBase64Binary(res));
     //System.out.println(result);


  // Encode data on your side using BASE64
     String stri = "dfjakjdfklasdfldfjnkl";
     byte[] bytesEncoded = Base64.getUrlEncoder().encode(stri.getBytes());
     System.out.println("encoded value is " + new String(bytesEncoded));

     // Decode data on other side, by processing encoded data
     byte[] valueDecoded = Base64.getUrlDecoder().decode(bytesEncoded);
     System.out.println("Decoded value is " + new String(valueDecoded));

     Hashids hashids = new Hashids("this is my salt");
     String hash = hashids.encode(12345L);
     System.out.println(hash);


     ByteBuffer byteBuffer = Charset.forName("UTF-8").encode("dfasdjfklasdjklflf");
     System.out.println(byteBuffer);