基于当前时间获取和计算时间

import java.time.LocalDate;

import java.time.LocalDateTime;

import java.time.LocalTime;

import java.time.Month;
/**来自 
 N o w J a v a . c o m - 时代Java**/


public class Main {

    public static void main(String[] args){

        LocalTime time = LocalTime.now();

        System.out.println("Current Time: " + time);

        

        // atDate(LocalDate): obtain the local date and time

        LocalDateTime ldt = time.atDate(LocalDate.of(2011,Month.NOVEMBER,11));

        System.out.println("Local Date Time object: " + ldt);

        

        // of(int hours, int min): obtain a specific time 

        LocalTime pastTime = LocalTime.of(1, 10);

        

        // compareTo(LocalTime): compare two times.  Positive

        // return value returned if greater

        System.out.println("Comparing times: " + time.compareTo(pastTime));/** NowJava.com - 时  代  Java 提 供 **/

        

        // getHour(): return hour in int value (24-hour format)

        int hour = time.getHour();

        int min  = time.getMinute();

        int nano = time.getNano();

        int sec  = time.getSecond();

        System.out.println("Hour: " + hour);

        

        // isAfter(LocalTime): return Boolean comparison

        System.out.println("Is local time after pastTime? " + time.isAfter(pastTime));

        

        // minusHours(int): Subtract Hours from LocalTime