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ChronoLocalDate adjustInto() method in Java with Examples

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The adjustInto() method of ChronoLocalDate interface in Java is used to adjusts the specified temporal object to have the same date as this object.

Syntax:

public Temporal adjustInto(Temporal temporal)

Parameter: This method accepts a single parameter temporal which is the target object to be adjusted, and not specifically null.

Return Value: It returns the adjusted object, not null.

Exceptions: The function throws two exceptions as described below:

  1. DateTimeException: the program throws this if it is unable to make the adjustment.
  2. ArithmeticException: the program throws this if there is a numeric overflow.

Below programs illustrate the adjustInto() method of ChronoLocalDate in Java:

Program 1:




// Program to illustrate the adjustInto() method
  
import java.util.*;
import java.time.*;
import java.time.chrono.*;
  
public class GfG {
    public static void main(String[] args)
    {
  
        ZonedDateTime date
            = ZonedDateTime.now();
  
        // prints the date
        System.out.println(date);
  
        // Parses the date
        ChronoLocalDate date1
            = LocalDate.parse("2015-01-31");
  
        // Uses the function to adjust the date
        date = (ZonedDateTime)date1.adjustInto(date);
  
        // Prints the adjusted date
        System.out.println(date);
    }
}


Output:

2019-04-28T19:58:13.775Z[Etc/UTC]
2015-01-31T19:58:13.775Z[Etc/UTC]

Program 2: To illustrate Exception. The below program throws an exception as February is of 28 days and not 31 days.




// Program to illustrate the adjustInto() method
// Exception Program
  
import java.util.*;
import java.time.*;
import java.time.chrono.*;
  
public class GfG {
    public static void main(String[] args)
    {
        try {
            ZonedDateTime date
                = ZonedDateTime.now();
  
            // prints the date
            System.out.println(date);
  
            // Parses the date
            ChronoLocalDate date1
                = LocalDate.parse("2015-02-31");
  
            // Uses the function to adjust the date
            date = (ZonedDateTime)date1.adjustInto(date);
  
            // Prints the adjusted date
            System.out.println(date);
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}


Output:

2019-04-28T19:58:17.219Z[Etc/UTC]
java.time.format.DateTimeParseException: Text '2015-02-31' could not be parsed: Invalid date 'FEBRUARY 31'

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/ChronoLocalDate.html#adjustInto-java.time.temporal.Temporal-



Last Updated : 29 Apr, 2019
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