JAVA EE: How to minus year, month, day, etc from the date and time using minus methods of LocalDateTime

Wednesday 24 January 2018

How to minus year, month, day, etc from the date and time using minus methods of LocalDateTime

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LocalDateTimeDemo.java

import java.time.LocalDateTime;

public class LocalDateTimeDemo

{

    public static void main(String[] args)

    {

        LocalDateTime localDateTime1 = LocalDateTime.now();

        System.out.println("Current date and Time = " + localDateTime1);

        LocalDateTime localDateTime2 = localDateTime1.minusYears(2);

        System.out.println("\nYear changed          = " + localDateTime2);

        LocalDateTime localDateTime3 = localDateTime2.minusMonths(3);

        System.out.println("Month changed         = " + localDateTime3);

        LocalDateTime localDateTime4 = localDateTime3.minusDays(5);

        System.out.println("Day changed           = " + localDateTime4);

        LocalDateTime localDateTime5 = localDateTime4.minusHours(1);

        System.out.println("Hour changed          = " + localDateTime5);

        LocalDateTime localDateTime6 = localDateTime5.minusMinutes(10);

        System.out.println("Min changed           = " + localDateTime6);

        LocalDateTime localDateTime7 = localDateTime6.minusSeconds(20);

        System.out.println("Sec changed           = " + localDateTime7);

        LocalDateTime localDateTime8 = localDateTime7.minusNanos(50);

        System.out.println("NanoSec changed       = " + localDateTime8);

        LocalDateTime localDateTime9 = localDateTime8.minusWeeks(3);

        System.out.println("Week changed          = " + localDateTime9);

    }

}

Output

Current date and Time = 2018-01-13T08:30:09.954

Year changed          = 2016-01-13T08:30:09.954

Month changed         = 2015-10-13T08:30:09.954

Day changed           = 2015-10-08T08:30:09.954

Hour changed          = 2015-10-08T07:30:09.954

Min changed           = 2015-10-08T07:20:09.954

Sec changed           = 2015-10-08T07:19:49.954

NanoSec changed       = 2015-10-08T07:19:49.953999950

Week changed          = 2015-09-17T07:19:49.953999950