Java Date Time Java Java API
java.time.Instant
public Instant plusSeconds(long secondsToAdd)
Returns a copy of this instant with the specified duration in seconds added.
package com.logicbig.example.instant;import java.time.Instant;public class PlusSecondsExample { public static void main(String... args) { Instant i = Instant.now(); System.out.println(i); Instant i2 = i.plusSeconds(20000); System.out.println(i2); Instant i3 = i.plusSeconds(-20000); System.out.println(i3); }}
2017-05-01T20:57:13.972Z2017-05-02T02:30:33.972Z2017-05-01T15:23:53.972Z