Generate Unique ID Using Java

Sometimes we need to generate unique ID for different purpose.Hear is a simple code block to do so. And ready to use .

public static String generateUniqueId () {
    UUID uuid = UUID.randomUUID();
    Date date = new Date();
    StringBuilder stringBuilder = new StringBuilder();
    stringBuilder.append(uuid.toString());
    stringBuilder.append("-");
    stringBuilder.append(String.valueOf(date.getTime()));
   final String UNIQUEID = stringBuilder.toString();
   return UNIQUEID;
}


public static void main (String args[]) {
           System.out.println(PaymentUtil.generateUniqueId());
}

        Sample output : it will differ in every run :

       89c9f0ad-7c25-4955-9496-faf802976caf-1337661403009