Import? Java . util . date；
Import? Java . util . scanner；
Public? Class? My calendar
{
Public? Static electricity Invalid? main(String[]？ Parameter)
{
Scanner? Scanner? =? New? Scanner (system. in);
String? Reggie? =? “^(\\d+)[^\\d]+((0？ [ 1-9])|( 1[0 12]))$";
While (true)
{
System.out.println ("Enter year and month (year and month are separated by non-digits: for example, 20 15. 1) (exit directly without entering anything)");
String? Line? =? scanner.nextLine()。 trim()；
If ("". Equal to (line))
{
scanner . close()；
Break;
}
If (! line.matches(reg))
{
Continue;
}
int？ Year? =? integer . parse int(line . replace all(reg，"$ 1"));
int？ Month? =? integer . parse int(line . replace all(reg，"$2"));
system . out . println(" Day \ t 1 \ T2 \ T3 \ T4 \ t5 \ T6 ")；
Calendar? Calendar? =? calendar . getinstance()；
//? What day is this month 1?
Calendar.set (year, month? -? 1,? 1);
int？ Day? =? Calendar.get (calendar. Day of the week);
int？ Start? =? Calendar. Sunday;
Calendar.add (calendar. Date? -During the day? +? Start);
While (start? & lt？ Day)
{
system . out . print(Calendar . get(Calendar。 Date)? +? " \ t ")；
Calendar.add (calendar. Date? 1);
start++；
}
Calendar.set (year, month? -? 1,? 1);
Dating? Now? =? calendar . gettime()；
Calendar.set (year, month,? 1);
Dating? Next? =? calendar . gettime()；
For (date? cur？ =? Now; ? Cur.before (next); )
{
calendar . settime(cur)；
int？ x？ =? Calendar.get (calendar. Date);
String? tmp？ =? x？ & lt？ 10? "0"? +? x？ :? x？ +? "";
System.out.print(tmp？ +? " \ t ")；
if(calendar.get(Calendar。 What day is it? ==? Calendar. Saturday)
{
system . out . println()；
}
Calendar.add (calendar. Date? 1);
cur？ =? calendar . gettime()；
}
Calendar.add (calendar. Date? - 1);
int？ Where to? =? Calendar.get (calendar. Day of the week);
int？ End? =? Calendar. Saturday;
And (to? & lt？ End)
{
Calendar.add (calendar. Date? 1);
int？ x？ =? Calendar.get (calendar. Date);
String? tmp？ =? x？ & lt？ 10? "0"? +? x？ :? x？ +? "";
System.out.print(tmp？ +? " \ t ")；
to++；
}
system . out . println()；
}
}
}