Update appointment - Reschedule for tomorrow

Update Start and End time to move the appointment for tomorrow.
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import com.independentsoft.graph.DateTimeTimeZone;
import com.independentsoft.graph.GraphClient;
import com.independentsoft.graph.GraphException;
import com.independentsoft.graph.queryoptions.And;
import com.independentsoft.graph.queryoptions.IsGreaterThanOrEqualTo;
import com.independentsoft.graph.queryoptions.IsLessThanOrEqualTo;
import com.independentsoft.graph.queryoptions.Query;

import com.independentsoft.graph.calendars.Event;
import com.independentsoft.graph.calendars.EventPropertyName;
import com.independentsoft.graph.users.UserId;


public class Console {

	public static void main(String[] args)
	{
		try
		{
			GraphClient client = new GraphClient();

			client.setClientId("63333333-209e-454e-b7bd-55a4d201270f");
			client.setTenant("independentsoft.onmicrosoft.com");
			client.setClientSecret("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");

			SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

			Date startTime1 = dateFormat.parse("2024-03-04 10:00:00");
			Date startTime2 = dateFormat.parse("2024-03-04 12:00:00");

			IsGreaterThanOrEqualTo condition1 = new IsGreaterThanOrEqualTo(EventPropertyName.START_TIME, startTime1);
			IsLessThanOrEqualTo condition2 = new IsLessThanOrEqualTo(EventPropertyName.START_TIME, startTime2);

			Query query = new Query();
			query.setTop(999);
			query.setFilter(new And(condition1, condition2));

			List<Event> appointments = client.getEvents(new UserId("info@independentsoft.onmicrosoft.com"), query);

			for (int i = 0; i < appointments.size(); i++)
			{
				Calendar cal1 = Calendar.getInstance();
				cal1.setTime(appointments.get(i).getStart().getTime());
				cal1.add(Calendar.DAY_OF_MONTH, 1);

				Date newStartTime = cal1.getTime();

				Calendar cal2 = Calendar.getInstance();
				cal2.setTime(appointments.get(i).getEnd().getTime());
				cal2.add(Calendar.DAY_OF_MONTH, 1);

				Date newEndTime = cal2.getTime();

				Event tempAppointment = new Event();
				tempAppointment.setId(appointments.get(i).getId()); //important
				tempAppointment.setStart(new DateTimeTimeZone(newStartTime));
				tempAppointment.setEnd(new DateTimeTimeZone(newEndTime));

				Event updatedAppointment = client.updateEvent(tempAppointment, new UserId("info@independentsoft.onmicrosoft.com"));
			}
		}
		catch (GraphException e)
		{
			System.out.println(e.getCode());
			System.out.println(e.getMessage());

			e.printStackTrace();
		}
		catch (ParseException e) {
			e.printStackTrace();
		}
	}
}
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