使用即时和持续时间类

import java.time.Duration;

import java.time.Instant;


public class Main {/**来 自 n o w j a v a . c o m - 时代Java**/

  public static void main(String[] args) {

    Instant i1 = Instant.ofEpochSecond(20);

    Instant i2 = Instant.ofEpochSecond(55);

    System.out.println("i1:" + i1);

    System.out.println("i2:" + i2);

    

    Duration d1 = Duration.ofSeconds(55);

    Duration d2 = Duration.ofSeconds(-17);

    System.out.println("d1:" + d1);

    System.out.println("d2:" + d2);

    

    // Compare instants

    System.out.println("i1.isBefore(i2):" + i1.isBefore(i2));

    System.out.println("i1.isAfter(i2):" + i1.isAfter(i2));

    

    // Add and subtract durations to instants//来自 n o w j a   v  a . c o m - 时  代  Java

    Instant i3 = i1.plus(d1);

    Instant i4 = i2.minus(d2);

    System.out.println("i1.plus(d1):" + i3);