src/edu/kit/informatik/calendar_sample/YearKind.java
/**
     * Returns whether the specified day is a valid day of a year.
     * 
     * @param  day the day to check
     * @return {@code true} if the day is valid, {@code false} otherwise
     * 
     * @see    #monthByDayOfYear(int)
     */
Returns whether the specified day is a valid day of a year.

@param  day the day to check
@return  true if the day is valid,  false otherwise


Returns whether the specified day is a valid day of a year . @param day the day to check @return true if the day is valid false otherwise
private boolean isValidDay(
            final int day) {
        return day >= firstDayOf(JANUARY) && day <= lastDayOf(DECEMBER);
    }
private boolean isValidDay ( final int day ) { return day >= firstDayOf ( JANUARY ) && day <= lastDayOf ( DECEMBER ) ; }
Returns whether the specified day is a valid day of a year.
Returns whether the specified day is a valid day of a year .
////