Date : ZoneIdClass

public class ZoneIdClass {

    public static void main(String... args) {
        ZoneId zoneid1 = ZoneId.of("Asia/Kolkata");        ZoneId zoneid2 = ZoneId.of("Asia/Tokyo");        LocalTime id1 = LocalTime.now(zoneid1);        LocalTime id2 = LocalTime.now(zoneid2);        System.out.println(id1);        System.out.println(id2);        System.out.println(id1.isBefore(id2));
        ZoneId zone = ZoneId.systemDefault();        System.out.println(zone);
        ZoneId z = ZoneId.systemDefault();        String s = z.getId();        System.out.println(s);
        ZoneId z1 = ZoneId.systemDefault();        System.out.println(z1.getDisplayName(TextStyle.FULL, Locale.ROOT));    }
}