code: @Trivial
      public static void erasePassword(@Sensitive byte[] pwdBytes) {
          if (pwdBytes != null) {
              for (int i = 0; i < pwdBytes.length; i++) {
                  pwdBytes[i] = 0x00;
              }
          }
  
      }
docs: Erase the password byte array by setting its elements to zero.
  For security reason, all password byte array should be erased before the references to it is dropped.
  
  @param pwdBytes The password byte array to be erased.