Display 24-hour time format.
import java.util.Calendar; import java.util.Formatter; public class Main { public static void main(String[] argv) throws Exception { Formatter fmt = new Formatter(); Calendar cal = Calendar.getInstance(); fmt.format("Time using 24-hour clock: %tT\n", cal); System.out.println(fmt); } } //Time using 24-hour clock: 15:01:46