ClockTime

/*Java Time Practice
  Nikodemus Siahaan
  05111840000151
  PBO A
 */
public class ClockTime
{
        private int hour; // 0-23
        private int minute; // 0-59
        private int second; // 0-59

        public ClockTime(int hour, int minute, int second)
        {
            if((hour >= 0 && hour < 24) && (minute >= 0 && minute < 60) && (second >= 0 && second < 60))
                { this.hour = hour;
                  this.minute = minute;
                  this.second = second;
                }
                else {
                    this.hour=0;
                    this.minute=0;
                    this.second=0;
                }
            }
        public String to24hourformat()
    {
        return String.format ("%02d:%02d:%02d", hour, minute, second);
    }
        public String to12hourformat()
    {
                String AMorPM;
                if(hour < 12) {
                    AMorPM = "AM";
                }
                else{ AMorPM = "PM";
                }

                if(hour == 0 || hour == 12)
                { hour = 12;
                }
                else
                { hour = hour % 12;
                }
                return String.format ("%d:%02d:%02d %s", hour, minute, second, AMorPM);
    }
}