Method isAM

lib/DevApp/src/main/java/dev/utils/common/DateUtils.java:1059–1064

是否上午 @param calendar Calendar @return true yes, false no

(final Calendar calendar)

     * @return {@code true} yes, {@code false} no
     */
    public static boolean isAM(final Calendar calendar) {
        if (calendar != null) {
            return calendar.get(GregorianCalendar.AM_PM) == Calendar.AM;
        }
        return false;
    }

    // =