public class TestWaktu
{
    public static void main (String[] args)
    {
        jam time = new jam();

        System.out.print ("Waktu universal initial adalah: ");
        System.out.println (time.toUniversalString());
        System.out.print ("Waktu standard initial adalah: ");
        System.out.println (time.toString());
        System.out.println();

        time.masukanJam (13, 27, 6);
        System.out.print ("Waktu universal setelah waktu di set adalah: ");
        System.out.println (time.toUniversalString());
        System.out.print ("Waktu standard setelah waktu di set adalah: ");
        System.out.println (time.toString());
        System.out.println();

        try
        {
            time.masukanJam (99, 99, 99);
        }
        catch (IllegalArgumentException e)
        {
            System.out.printf ("Exception: %s\n\n", e.getMessage());
        }

        System.out.println ("After attempting invalid settings:" );
        System.out.print ("Waktu universal: ");
        System.out.println (time.toUniversalString());
        System.out.print ("Waktu standard: ");
        System.out.println (time.toString());
    }
}