/**

* Example using the String.format method.

*/

public class Format {

/**

* Returns a time string in 12-hour format.

*

* @param hour between 0 and 23

* @param minute between 0 and 59

*/

public static String timeString(int hour, int minute) {

String ampm;

if (hour < 12) {

ampm = "AM";

if (hour == 0) {

hour = 12; // midnight

}

} else {

ampm = "PM";

hour = hour - 12;

}

return String.format("%02d:%02d %s", hour, minute, ampm);

}

public static void main(String[] args) {

System.out.println(timeString(0, 0));

System.out.println(timeString(7, 30));

System.out.println(timeString(12, 5));

System.out.println(timeString(23, 59));

}

}