Duration of(long, TemporalUnit) method in Java with Examples

The of(long, TemporalUnit) method of Duration Class in java.time package is used to get a duration of the amount passed as the first parameter in the TemporalUnit passed as the second parameter. The TemporalUnit can be DAYS, HOURS, etc.

Syntax:

public static Duration of(long amount, TemporalUnit unit)

Parameters: This method accepts two parameters:

amount: which is the number of Seconds. It can be positive or negative.
unit: which is the TemporalUnit in which the unit is to be specified.

Return Value: This method returns a Duration representing the time in specified unit format.

Exception: This method throws following unit:

ArithmeticException: if the input Seconds exceeds the capacity of Duration.
DateTimeException: if the period unit has an estimated duration

Below examples illustrate the Duration.of() method:

Example 1:

// Java code to illustrate of() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // input amount of time 
        long timeAmount = 5; 
  
        // Duration using of() method 
        Duration duration 
            = Duration.of(timeAmount, ChronoUnit.DAYS); 
  
        System.out.println(duration.getSeconds()); 
    } 
} 

Output:

Example 2:

// Java code to illustrate of() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // input amount of time 
        long timeAmount = 5; 
  
        // Duration using of() method 
        Duration duration 
            = Duration.of(timeAmount, ChronoUnit.HOURS); 
  
        System.out.println(duration.getSeconds()); 
    } 
} 

Output:

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

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