how to create month wise serial number in java?

Sometimes, there is a need to generate the serial number of some format. The given code is doing the same. Here the code generates the serial number in 1/001, 1/002 like format.

   public class GenerateSerialNumber {

        public static void main (String args[]){

          int serialNo = 000;
          for (int i=0;i<12;i++){
              serialNo++;
          System.out.printf("1/%03d\n",  serialNo);
         }
       }
     }