Method get12Hour

lib/DevApp/src/main/java/dev/utils/common/DateUtils.java:828–831

获取小时 ( 12 ) @param calendar Calendar @return 小时

(final Calendar calendar)

     * @return 小时
     */
    public static int get12Hour(final Calendar calendar) {
        if (calendar != null) return calendar.get(Calendar.HOUR);
        return -1;
    }

    // =