Java 获取机器时间戳

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import java.time.Instant;

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import java.time.ZoneId;/** 来 自 n o w j a v a . c o m**/

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import java.time.ZonedDateTime;

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import java.time.temporal.ChronoUnit;

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public class Main {

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    public static void main(String[] args){

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            Instant timestamp = Instant.now();

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            System.out.println("The current timestamp: " + timestamp);

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            //Now minus three days

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            Instant minusThree = timestamp.minus(3, ChronoUnit.DAYS);

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            System.out.println("Now minus three days:" + minusThree);

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            ZonedDateTime atZone = timestamp.atZone(ZoneId.of("GMT"));

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            System.out.println(atZone);

            /** 

            来 自 

            时 代 J a v a - N o w J a v a . c o m

            **/

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