Date: 2014dec2 Update: 2025jul16 Language: Java Keywords: GUID Q. Java: Generate a UUID (Universal Unique ID) A. You could do it yourself, but its easier and safer to use this built-in:

import java.util.UUID; class Demo { public static void main(String[] args) { final String uuid = UUID.randomUUID().toString(); System.out.println("uuid=" + uuid); } }

Outputs something like:

uuid=729b498d-3f47-4688-9f6d-82119b854009