@@ -0,0 +1,226 @@
+package com.yxy.chukonu.java.util;%0A%0Aimport java.util.UUID;%0A%0Apublic class UUIDUtil %7B%0A%0A%09public static void main(String%5B%5D args) %7B%0A        %0A%09%09UUID uuid = UUID.randomUUID() ;%0A%09%09         %0A%09%09System.out.println(uuid);%0A%09%09     %0A%09%09%7D%0A%0A%0A%7D%0A

add util to generate uuid