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package it.univr;

/**
* 1) si crei un progetto Java "esame" dentro Eclipse
* 2) si crei un package it.univr.esame dentro il progetto "esame"
* 3) si copi questa classe dentro il package it.univr.esame
* 4) si completi questa classe dove indicato con TODO
*/

public class Esercizio6 {

public static void main(String[] args) {
Time t1 = new Time24(9, 12, 5);
System.out.println(t1);
Time t2 = new Time12(11, 59, 59, When.AFTERNOON);
t2.next();
System.out.println(t2);
Time t3 = new Time12(1, 5, 55, When.AFTERNOON);
System.out.println(t3);
}

public abstract static class Time {
// TODO: si aggiunga un metodo astratto chiamato next
// che modifica questo Time nel Time successivo (un secondo dopo)
abstract void next();
}

public static class Time24 extends Time {
private int hh, mm, ss;

// riceve ore (hh, 0-23), minuti (mm) e secondi (ss)
private Time24(int hh, int mm, int ss) {
this.hh = hh;
this.mm = mm;
this.ss = ss;
}

@Override
public String toString() {
return String.format("%02d:%02d:%02d", hh, mm, ss);
}

@Override
void next() {
if(this.ss==59)
if(this.mm==59)
if(this.hh==23) {
this.hh = 00;
this.mm = 00;
this.ss = 00;
}else {
this.hh++;
this.mm = 00;
this.ss = 00;
}
else {
this.mm++;
this.ss = 00;
}
else {
this.ss++;
}
}
}

private enum When { MORNING, AFTERNOON };

public static class Time12 extends Time {
private int hh, mm, ss;
private When when;

// riceve ore (hh, 0-11), minuti (mm), secondi (ss) e fase della giornata (when)
private Time12(int hh, int mm, int ss, When when) {
this.hh = hh;
this.mm = mm;
this.ss = ss;
this.when = when;
}

@Override
public String toString() {
return String.format("%02d:%02d:%02d %s", hh, mm, ss, when);
}

@Override
void next() {
if(this.ss==59)
if(this.mm==59)
if(this.hh==11) {
this.hh = 00;
this.mm = 00;
this.ss = 00;
if(this.when.ordinal()==1)
this.when=when.MORNING;
else this.when=when.AFTERNOON;
}else {
this.hh++;
this.mm = 00;
this.ss = 00;
}
else {
this.mm++;
this.ss = 00;
}
else {
this.ss++;
}
}
}
}
     
 
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