OffsetDateTime minusWeeks() method in Java with examples

The minusWeeks() method of OffsetDateTime class in Java returns a copy of this OffsetDateTime with the specified number of weeks subtracted from the parsed date and time.

Syntax:

public OffsetDateTime minusWeeks(long weeks)

Parameter: This method accepts a single parameter weeks which specifies the weeks to be subtracted from the parsed date. It can be negative also, in that case, it adds the number of weeks to it.



Return Value: It returns an OffsetDateTime based on this date-time with the weeks subtracted and not null.

Exceptions: The program throws a DateTimeException when it exceeds the supported data and time range.

Below programs illustrate the minusWeeks() method:

Program 1:

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// Java program to demonstrate the minusWeeks() method
  
import java.time.OffsetDateTime;
import java.time.ZonedDateTime;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Parses the date1
        OffsetDateTime date1
            = OffsetDateTime
                  .parse("2018-12-12T13:30:30+05:00");
  
        // Prints dates
        System.out.println("Date1: " + date1);
  
        // Subtracts the number of weeks
        System.out.println("Date1 after subtracting weeks: "
                           + date1.minusWeeks(-120));
    }
}

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Output:

Date1: 2018-12-12T13:30:30+05:00
Date1 after subtracting weeks: 2021-03-31T13:30:30+05:00

Program 2:

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// Java program to demonstrate the minusWeeks() method
  
import java.time.OffsetDateTime;
import java.time.ZonedDateTime;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Parses the date1
        OffsetDateTime date1
            = OffsetDateTime
                  .parse("2018-12-12T13:30:30+05:00");
  
        // Prints dates
        System.out.println("Date1: " + date1);
  
        // Subtracts the number of weeks
        System.out.println("Date1 after subtracting weeks: "
                           + date1.minusWeeks(140));
    }
}

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Output:

Date1: 2018-12-12T13:30:30+05:00
Date1 after subtracting weeks: 2016-04-06T13:30:30+05:00

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



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