Add Date to Calendar

Example to add/minus one Day in Calendar, to get tomorrow and yesterday.

package java_time;

import java.util.Calendar;
import java.util.Date;

/**
 * @web http://java-buddy.blogspot.com/
 */
public class Java_Time {

    public static void main(String[] args) {

        Calendar calendar = Calendar.getInstance();
        Date calendarDate = calendar.getTime();
        System.out.println("Now: " + calendarDate);
        
        Calendar cal_Tomorrow = Calendar.getInstance();
        cal_Tomorrow.add(Calendar.DATE, 1);
        Date date_Tomorrow = cal_Tomorrow.getTime();
        System.out.println("Tomorrow: " + date_Tomorrow);
        
        Calendar cal_Yesterday = Calendar.getInstance();
        cal_Yesterday.add(Calendar.DATE, -1);
        Date date_Yesterday = cal_Yesterday.getTime();
        System.out.println("Yesterday: " + date_Yesterday);

    }
}