Period from() method in Java with Examples

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The from() method of Period class in Java is used to get an instance of Period from given temporal amount.

This function obtains a period based on the amount given in argument. A TemporalAmount represents an amount of time, which may be date-based or time-based.

Syntax:

public static Period from(TemporalAmount amount)

Parameters: This method accepts a single parameter amount. This amount is the amount that we need to convert into period.

Return Value: This function returns the period equivalent to the given amount.

Exceptions:

DateTimeException – It throws DateTimeException, if unable to convert to a Period.
ArithmeticException – It throws ArithmeticException, if the amount of years, months or days exceeds an int.

Below program illustrate the above method:

// Java code to show the function from()
// which represents the period of given amount
import java.time.Period;
  
public class PeriodClassGfG {
  
    // Function to convert given amount to period
    static void convertToPeriod(int year, int months, int days)
    {
        Period period = Period.from(Period.of(year, months, days));
  
        System.out.println(period);
    }
  
    // Driver code
    public static void main(String[] args)
    {
  
        int year = 20, months = 13, days = 17;
        Period period = Period.from(Period.of(year, months, days));
  
        convertToPeriod(year, months, days);
    }
}