Duration negated() method in Java with Examples

The negated() method of Duration Class in java.time package is used to get an immutable copy of this duration with the duration negated.

Syntax:

public Duration negated()

Parameters: This method do not accepts any parameter.

Return Value: This method returns a Duration which is an immutable copy of the existing duration with the duration negated.

Exception: This method throws ArithmeticException if numeric overflow occurs.

Below examples illustrate the Duration.negated() method:

Example 1:

// Java code to illustrate negated() 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 negated using negated() method
        System.out.println(duration1.negated());
    }
}

Output:

PT-51H-4M

Example 2:

// Java code to illustrate negated() method

import java.time.Duration;

public class GFG {
    public static void main(String[] args)
    {

        // Duration
        Duration duration2
            = Duration.ofDays(5);

        // Get the duration negated
        // using negated() method
        System.out.println(duration2.negated());
    }
}

Output:

PT-120H

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#negated–