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Duration isZero() method in Java with Examples

  • Last Updated : 26 Nov, 2018

The isZero() method of Duration Class in java.time package is used to check if this duration is of 0 length ot not. It returns a boolean value depicting the same.

Syntax:

public boolean isZero()

Parameters: This method do not accepts any parameter.

Return Value: This method returns a boolean value. If the length is of 0 length, then it returns true. Else it returns false.

Below examples illustrate the Duration.isZero() method:



Example 1:




// Java code to illustrate isZero() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Get the text
        String time = "P2DT3H4M";
  
        // Duration using parse() method
        Duration duration = Duration.parse(time);
  
        // Duration using isZero() method
        boolean isZero = duration.isZero();
  
        System.out.println(isZero);
    }
}
Output:
false

Example 2:




// Java code to illustrate isZero() method
  
import java.time.Duration;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Get the text
        String time = "P0DT0H0M";
  
        // Duration using parse() method
        Duration duration = Duration.parse(time);
  
        // Duration using isZero() method
        boolean isZero = duration.isZero();
  
        System.out.println(isZero);
    }
}
Output:
true

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

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