Duration toMillisPart() method in Java with Examples

The toMillisPart() method of Duration Class in java.time package is used get the value of this duration in number of milli-seconds by dividing the number of nanoseconds by 1, 000, 000.

Syntax:

public long toMillisPart()

Parameters: This method do not accepts any parameter.



Return Value: This method returns a long value which is the number of milli-seconds in this duration by dividing the number of nanoseconds by 1, 000, 000.

Below examples illustrate the Duration.toMillisPart() method:

Example 1:

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// Java code to illustrate toMillisPart() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration using parse() method
        Duration duration = Duration.parse("P2DT3H4M");
  
        System.out.println("Duration: "
                           + duration);
  
        // Get the number of milli-seconds
        // using toMillisPart() method
        System.out.println(duration.toMillisPart());
    }
}

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Output:

Duration: PT51H4M
0

Example 2:

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// Java code to illustrate toMillisPart() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration using ofMillis() method
        Duration duration = Duration.ofMillis(10);
  
        System.out.println("Duration: "
                           + duration);
  
        // Get the number of milli-seconds
        // using toMillisPart() method
        System.out.println(duration.toMillisPart());
    }
}

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Output:

Duration: PT0.01S
10

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



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