LocalDate adjustInto() method in Java

The adjustInto() method of LocalDate class 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 LocalDate in Java:

Program 1:

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// Program to illustrate the adjustInto() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
  
        ZonedDateTime date = ZonedDateTime.now();
  
        // prints the date
        System.out.println(date);
  
        // Parses the date
        LocalDate 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);
    }
}

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Output:


2018-11-28T05:36:08.205Z[Etc/UTC]
2015-01-31T05:36:08.205Z[Etc/UTC]





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











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// Program to illustrate the adjustInto() method 


// Exception Program 


  


import java.util.*; 


import java.time.*; 


  


public class GfG { 


    public static void main(String[] args) 


    { 


        try { 


            ZonedDateTime date = ZonedDateTime.now(); 


  


            // prints the date 


            System.out.println(date); 


  


            // Parses the date 


            LocalDate 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); 


        } 


    } 


} 



















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Output:


2018-11-28T05:36:11.014Z[Etc/UTC]
java.time.format.DateTimeParseException: 
Text '2015-02-31' could not be parsed: Invalid date 'FEBRUARY 31'





Reference: https://docs.oracle.com/javase/10/docs/api/java/time/LocalDate.html#adjustInto(java.time.temporal.Temporal)



          
          
          
          

            

    

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