code: public static String toStringPriority(int priority) {
  	if (priority == Thread.NORM_PRIORITY) return "NORMAL";
  	if (priority == Thread.MAX_PRIORITY) return "HIGH";
  	if (priority == Thread.MIN_PRIORITY) return "LOW";
  	return null;
      }
docs: return priority as a String representation
  
  @param priority Thread priority
  @return String definition of priority (null when input is invalid)