code: static public void dumpArrayToTraceLog(byte[] arr) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "[ ");
              if (null == arr) {
                  Tr.debug(tc, "null");
              } else {
                  for (int i = 0; i < arr.length; i++) {
                      Tr.debug(tc, arr[i] + " ");
                  }
              }
              Tr.debug(tc, "]");
          }
      }
docs: Writes the contents of the array to the trace log.
  
  @param arr