Is there a way to generate a random UUID, which consists only of numbers?

Question

Java\'s UUID class generates a random UUID. But this consists of letters and numbers. For some applications we need only numbers. Is there a way to generate random UUID that

Answer 1

UUID uuid = UUID.randomUUID();
String numericUUID = Long.toString(uuid.getMostSignificantBits())
                   + Long.toString(uuid.getLeastSignificantBits());