import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

class Test{
    public static void main(String[] args) throws ParseException{
        Calendar cal = Calendar.getInstance();
        Date date=new SimpleDateFormat("yyyy/MM/dd").parse("2013/08/22");
        cal.setTime(date);
        System.out.println(cal.getTime());
        cal.add(Calendar.DATE,1);
        System.out.println(cal.getTime());
    }
}