Time类的定义

import java.util.Scanner;

class Hour {
int x, y, z;

public Hour(int x, int y, int z) {
this.x = x;
this.y = y;
this.z = z;
}

public void setHour(int x) {
if (x > 12 || x < 0) {
x = 12;
System.out.print(x + ":");
} else if (x < 10) {
System.out.print("0" + x + ":");
} else {
System.out.print(x + ":");
}
}

public void setMinue(int y) {
if (y > 60 || y < 0) {
y = 0;
System.out.print("00" + ":");
} else if (y < 10) {
System.out.print("0" + y + ":");
} else {
System.out.print(y + ":");
}

}

public void setSecond(int z) {
if (z > 60 || z < 0) {
z = 0;
System.out.println("00");
} else if (z < 10) {
System.out.print("0" + z);
} else {
System.out.println(z);
}

}
}

public class Main {

public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner cin = new Scanner(System.in);
while (cin.hasNext()) {
int hour = cin.nextInt();
int minue = cin.nextInt();
int second = cin.nextInt();
Hour time = new Hour(hour, minue, second);
time.setHour(hour);
time.setMinue(minue);
time.setSecond(second);
}
cin.close();
}

}