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–
