Local time demo for java certification

LocalTimeDemo.java

import java.time.*;
import java.time.temporal.Temporal;
import java.time.Instant;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

public class LocalTimeDemo{
	public static void main(String[] args) {

		System.out.println("Now: "+LocalTime.now()+"\n--------");
		System.out.println("Now with clock: "+LocalTime.now(Clock.systemUTC())+"\n--------");
		System.out.println("Now with zone id: "+LocalTime.now(ZoneId.of("Asia/Ho_Chi_Minh"))+"\n--------");
		System.out.println("of int hour, int minute: "+LocalTime.of(21,59)+"\n--------");
		System.out.println("int hour, int minute, int second "+LocalTime.of(21,59,40)+"\n--------");
		System.out.println("int hour, int minute, int second, int nanosecond "+LocalTime.of(21,59,40,10)+"\n--------");
		long l = 1238971232;
		long l2 = 86399;
		System.out.println("of nanoOfDay "+LocalTime.ofNanoOfDay(l)+"\n--------");
		System.out.println("of secondsOfDay "+LocalTime.ofSecondOfDay(l2)+"\n--------");
		System.out.println("parse "+LocalTime.parse("10:55")+"\n--------");
		System.out.println("parse with date formatter"+LocalTime.parse("10:55",DateTimeFormatter.ofPattern("HH:mm"))+"\n--------");

		LocalTime lo = LocalTime.now();
		LocalTime li = LocalTime.now();
		System.out.println("offset "+lo.atOffset(ZoneOffset.of("Z"))+"\n--------");

		System.out.println("compare "+lo.compareTo(li)+"\n--------");

		System.out.println("equals "+lo.equals(new Integer(19))+"\n--------");

		System.out.println("get muchos things : "+lo.getHour()+"//"+lo.getMinute()+"//"+lo.getSecond()+"//"+lo.getNano()+"hash"+lo.hashCode()+"\n--------");

		System.out.println("is after  using plus nano/minut/second/hour: "+lo.plusHours(1).plusSeconds(1).plusNanos(1).plusMinutes(1).isAfter(li)+"\n--------");

		System.out.println("is before using with second/nano/hour/minute: "+lo.isBefore(li.withSecond(59).withMinute(40).withHour(23).withNano(10))+"\n--------");

		System.out.println("Tosecond of day: "+li.withSecond(59).withMinute(40).withHour(23).withNano(10).toSecondOfDay()+"\n-----");

		System.out.println("To nano of day: "+li.withSecond(59).withMinute(40).withHour(23).withNano(10).toNanoOfDay()+"\n-----");

		System.out.println("Minus minutes/nano/second/milis: "+li.minusHours(1).minusMinutes(1).minusSeconds(1).minusNanos(1)+"\n-----");

		System.out.println("Max localtime: "+LocalTime.MAX+"\n----------");
		System.out.println("Midnight localtime: "+LocalTime.MIDNIGHT+"\n----------");
		System.out.println("Noon localtime: "+LocalTime.NOON+"\n----------");
		System.out.println("Min localtime: "+LocalTime.MIN+"\n----------");

	}	
}