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LocalDate minusWeeks() method in Java with Examples
  • Last Updated : 06 May, 2019

The minusWeeks() method of a LocalDate class in Java is used to subtract the number of specified week from this LocalDate and return a copy of LocalDate.For example, 2018-12-24 minus one week would result in 2018-12-17. This instance is immutable and unaffected by this method call.

Syntax:

public LocalDate minusWeeks(long weeksToSubtract)

Parameters: This method accepts a single parameter weeksToSubtract which represents the weeks to subtract, may be negative.

Return Value: This method returns a LocalDate based on this date with the weeks subtracted, not null.

Exception: This method throws DateTimeException if the result exceeds the supported date range.



Below programs illustrate the minusWeeks() method:

Program 1:




// Java program to demonstrate
// LocalDate.minusWeeks() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a LocalDate object
        LocalDate date
            = LocalDate.parse("2018-12-26");
  
        // print instance
        System.out.println("LocalDate before"
                           + " subtracting weeks: " + date);
  
        // subtract 2 weeks
        LocalDate returnvalue
            = date.minusWeeks(2);
  
        // print result
        System.out.println("LocalDate after "
                           + " subtracting weeks: " + returnvalue);
    }
}
Output:
LocalDate before subtracting weeks: 2018-12-26
LocalDate after  subtracting weeks: 2018-12-12

Program 2:




// Java program to demonstrate
// LocalDate.minusWeeks() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a LocalDate object
        LocalDate date
            = LocalDate.parse("2018-12-24");
  
        // print instance
        System.out.println("LocalDate before"
                           + " subtracting weeks: " + date);
  
        // subtract -13 weeks
        LocalDate returnvalue
            = date.minusWeeks(-13);
  
        // print result
        System.out.println("LocalDate after "
                           + " subtracting weeks: " + returnvalue);
    }
}
Output:
LocalDate before subtracting weeks: 2018-12-24
LocalDate after  subtracting weeks: 2019-03-25

Reference:
https://docs.oracle.com/javase/10/docs/api/java/time/LocalDate.html#minusWeeks(long)

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