Calendar类的日历小程序

public class VisualizaCalendar {    public static void main(String[] args) throws ParseException {        String temp = new String("2012-3-2");        DateFormat format = new SimpleDateFormat("yyyy-MM-dd");        Date date = format.parse(temp);        Calendar calendar = new GregorianCalendar();        calendar.setTime(date);        int maxDay = calendar.getActualMaximum(Calendar.DATE);        int meyDay = calendar.get(Calendar.DAY_OF_WEEK);        System.out.println("日\t一\t二\t三\t四\t五\t六");        for(int i =1;i<meyDay;i++){            System.out.print("\t");        }        for(int i =1;i<=maxDay;i++){            System.out.print(i+"\t");            if(Calendar.SATURDAY==calendar.get(Calendar.DAY_OF_WEEK)){                System.out.println();            }            calendar.add(Calendar.DATE, 1);        }    }}