public OffsetTime plus(long amountToAdd,
                      TemporalUnit unit)

// Java program to demonstrate
// OffsetTime.plus() method
  
import java.time.*;
import java.time.temporal.ChronoUnit;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create an OffsetTime object
        OffsetTime lt
            = OffsetTime.parse("12:14:10+13:00");
  
        // add 2 Hours to OffsetTime
        OffsetTime value
            = lt.plus(2, ChronoUnit.HOURS);
  
        // print result
        System.out.println("OffsetTime after adding 2 Hours: "
                           + value);
    }
}

OffsetTime after adding 2 Hours: 14:14:10+13:00

public OffsetTime plus(TemporalAmount amountToAdd)

// Java program to demonstrate
// OffsetTime.plus() method
  
import java.time.*;
public class GFG {
    public static void main(String[] args)
    {
  
        // create a OffsetTime object
        OffsetTime lt
            = OffsetTime.parse("12:14:10+13:00");
  
        // add 55 Minutes to OffsetTime
        OffsetTime value
            = lt.plus(Duration.ofMinutes(55));
  
        // print result
        System.out.println("OffsetTime after adding 55 Minutes: "
                           + value);
    }
}

OffsetTime after adding 55 Minutes: 13:09:10+13:00