LocalDate plusYears() method in Java with Examples

Last Updated : 30 Jul, 2019
The plusYears() method of LocalDate class in Java is used to add the number of specified years in this LocalDate and return a copy of LocalDate. This method adds the years field in the following steps:
  • Add the years to the year field.
  • Check if the date after adding years is valid or not.
  • If date is invalid then method adjust the day-of-month to the last valid day.
For example, 2016-02-29 (leap year) plus one year gives date 2017-02-29 but this is invalid result, so the last valid day of the month, 2017-02-28, is returned.This instance is immutable and unaffected by this method call. Syntax: 
public LocalDate plusYears(long yearsToAdd)
Parameters: This method accepts a single parameter yearsToAdd which represents the years to add, may be negative. Return value: This method returns a LocalDate based on this date with the years added, not null. Exception: This method throws DateTimeException if the result exceeds the supported date range. Below programs illustrate the plusYears() method: Program 1: Java 
// Java program to demonstrate
// LocalDate.plusYears() method

import java.time.*;

public class GFG {
    public static void main(String[] args)
    {

        // create a LocalDate object
        LocalDate date
            = LocalDate.parse("2018-11-13");

        // print instance
        System.out.println("LocalDate before"
                           + " adding years: " + date);

        // add 3 years
        LocalDate returnvalue
            = date.plusYears(3);

        // print result
        System.out.println("LocalDate after "
                           + " adding years: " + returnvalue);
    }
}
Output: 
LocalDate before adding years: 2018-11-13
LocalDate after  adding years: 2021-11-13
Program 2: Java 
// Java program to demonstrate
// LocalDate.plusYears() method

import java.time.*;

public class GFG {
    public static void main(String[] args)
    {

        // create a LocalDate object
        LocalDate date
            = LocalDate.parse("2016-02-29");

        // print instance
        System.out.println("LocalDate before"
                           + " adding years: " + date);

        // add 2 years
        LocalDate returnvalue
            = date.plusYears(2);

        // print result
        System.out.println("LocalDate after "
                           + " adding years: " + returnvalue);
    }
}
Output: 
LocalDate before adding years: 2016-02-29
LocalDate after  adding years: 2018-02-28
References: https://docs.oracle.com/javase/10/docs/api/java/time/LocalDate.html#plusYears(long)
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