/*
This is the class that's used with the examples up to Lenny
in this directory. Some of the earlier code examples just call
a few of the methods - that's fine as you don't have to use
everything every time!
*/

public class Time {

        // There is one hour, minute, second PER OBJECT
        public int hour;
        public int minute;
        public int second;
        // Thers is only one howmany for the whole class
        public static int howmany = 0;

        // Overloaded constructors both call internal routine
        public Time(int hour, int m, int s){
                timeset(hour,m,s);
                }
        public Time(int hour, int m){
                timeset(hour,m,30);
                }
        private void timeset(int hour, int m, int s) {
                this.hour = hour;
                minute = m;
                second = s;
                howmany += 1;
                }

        public int getsid(){
                return ((hour * 60)+ minute)*60 + second;
                }
        public int gethour(){
                return hour;
                }
        public void setforward(int secondsplus) {
                // Good example of "encapsulation" - hiding within
                second += secondsplus;
                int extramins = second / 60;
                second = second % 60;
                minute += extramins;
                int extrahours = minute / 60;
                minute = minute % 60;
                hour += extrahours;
                }
        public String getdef() {
                String result = "It is " + hour + " " +
                        minute + " minute " + second + "second";
                return result;
                }

        public int getgap(Time that) {
                // Explicit use of "this" is just for clarity!
                int sec_1 = this.getsid();
                int sec_2 = that.getsid();
                return ((sec_2 - sec_1) / 60);
                }

// CLASS method(s) can only access static variables

        public static int getcount() {
                return (howmany);
                }
}