Java 8 date add n seconds to current date example program

• Java 8 providing java.time.LocalDateTime class.
• By using plusSeconds() method of  LocalDateTime we can add seconds to date.
• By Using minusSeconds() method we can substract  seconds from java date.
• Lets see an example java program to add n seconds to current date and minus / subtract n seconds from java 8 date. 

#1: Java Example program to add n seconds to current date using java 8.

1. package com.instanceofjava.java8;
2. import java.time.LocalDateTime;
3. 
   
4. /**
5.  * @author www.Instanceofjava.com
6.  * @category interview programs
7.  * 
8.  * Description: java seconds to java 8 date
9.  *
10.  */
11. public class addSecondsToDate {
12. 
    
13. public static void main(String[] args) {
15. //create data using java 8 LocalDateTime 
16. LocalDateTime datetime= LocalDateTime.now();
18. System.out.println("Before: "+datetime);
19. //add seconds by using plusSeconds(seconds) method
20. datetime=datetime.plusSeconds(12);
21. System.out.println("After: "+datetime);
22. }
23. 
    
24. }

Output:

1. 2018-02-03T20:19:25.760
2. 2018-02-03T20:19:37.760

#2: Java Example program to subtract n seconds to current date using java 8.