OffsetTime until() Method in Java with Examples

until() method of the OffsetTime class used to calculate the amount of time between two OffsetTime objects using TemporalUnit. The start and end points are this and the specified OffsetTime passed as a parameter. The result will be negative if the end is before the start. The calculation returns a whole number, representing the number of complete units between the two OffsetTime. This instance is immutable and unaffected by this method call.

Syntax:

public long until(Temporal endExclusive, TemporalUnit unit)

Parameters: This method accepts two parameters endExclusive which is the end date, exclusive, which is converted to an OffsetTime and unit which is the unit to measure the amount.



Return value: This method returns the amount of time between this OffsetTime and the end OffsetTime.

Exception:This method throws following Exceptions:

  • DateTimeException – if the amount cannot be calculated, or the ending temporal cannot be converted to an OffsetTime.
  • UnsupportedTemporalTypeException – if the unit is not supported.
  • ArithmeticException – if numeric overflow occurs.

Below programs illustrate the until() method:
Program 1:

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// Java program to demonstrate
// OffsetTime.until() method
  
import java.time.*;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
        // create OffsetTime objects
        OffsetTime o1 = OffsetTime.parse("03:30:30+05:00");
        OffsetTime o2 = OffsetTime.parse("23:30:30+05:00");
  
        // apply until method of OffsetTime class
        long result
            = o1.until(o2,
                       ChronoUnit.MINUTES);
  
        // print results
        System.out.println("Result in MINUTES: "
                           + result);
    }
}

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Output:

Result in MINUTES: 1200

Program 2:

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// Java program to demonstrate
// OffsetTime.until() method
  
import java.time.*;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
        // create OffsetTime objects
        OffsetTime o1 = OffsetTime.parse("03:30:30+05:00");
        OffsetTime o2 = OffsetTime.parse("19:30:30+05:00");
  
        // apply until method of OffsetTime class
        long result
            = o1.until(o2,
                       ChronoUnit.HOURS);
  
        // print results
        System.out.println("Result in HOURS: "
                           + result);
    }
}

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Output:

Result in HOURS: 16

References:
https://docs.oracle.com/javase/10/docs/api/java/time/OffsetTime.html#until(java.time.temporal.Temporal, java.time.temporal.TemporalUnit)



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