class calc of online banking application

/* this code is intended education purpuse only. all rights reserved .copy right
protected .www.freejavaprojectsonline.blogspot.com . mails to : johnjustin@in.com */

public class Calc{
      public static String formatDate(String x)
      {
              String year=x.substring(0,4);
              String day=x.substring(8,10);
              String month=null;
              int mm=Integer.parseInt(x.substring(5,7));

              switch (mm)
              {
                      case (1):
                              month="JAN";
                              break;
                      case (2):
                              month="FEB";
                              break;
                      case (3):
                              month="MAR";
                              break;
                      case (4):
                              month="APR";
                              break;
                      case (5):
                              month="MAY";
                              break;
                      case (6):
                              month="JUN";
                              break;
                      case (7):
                              month="JUL";
                              break;
                      case (8):
                              month="AUG";
                              break;
                      case (9):
                              month="SEP";
                              break;
                      case (10):
                              month="OCT";
                              break;
                      case (11):
                              month="NOV";
                              break;
                      case (12):
                              month="DEC";
                              break;
              }

              return(year+"/"+month+"/"+day);
      }
}

NEXT =>>class DepositFixed IN ONLINE BANKING PROJECT