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Duration minusDays(long) method in Java with Examples
  • Last Updated : 26 Nov, 2018

The minusDays(long) method of Duration Class in java.time package is used to get an immutable copy of this duration with the specified number of days substracted, passed as the parameter.

Syntax:

public Duration minusDays(long numberOfDays)

Parameters: This method accepts a parameter numberOfDays which is the number of days to be substracted. It can be positive or negative but not null.

Return Value: This method returns a Duration which is an immutable copy of the existing duration with the parameter amount of days substracted to it.

Exception: This method throws ArithmeticException if numeric overflow occurs.



Below examples illustrate the Duration.minusDays() method:

Example 1:




// Java code to illustrate minusDays() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration 1 using parse() method
        Duration duration1
            = Duration.parse("P2DT3H4M");
  
        // Get the duration substracted
        // using minusDays() method
        System.out.println(duration1.minusDays(2));
    }
}
Output:
PT3H4M

Example 2:




// Java code to illustrate minusDays() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration 1 using parse() method
        Duration duration1
            = Duration.parse("P0DT0H4M");
  
        // Get the duration substracted
        // using minusDays() method
        System.out.println(duration1.minusDays(5));
    }
}
Output:
PT-119H-56M

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#minusDays-long-

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