Java basic questions, about the input of the moon and day to judge the constellation, ask for advice.

Import? Java . text . parse exception；

Import? Java . text . simple date format；

Import? Java.util calendar;

Import? Java . util . date；

Import? Java . util . scanner；

Public? Class? Testing? {

Public? Static electricity Invalid? main(String[]？ args)？ Throwing? ParseException？ {

Scanner? Scanner? =? New? Scanner (system. in);

//? Enter only the month and day. This code does not check whether the month and date are reasonable, such as February 30th.

System.out.print ("Please enter your birth month");

int？ Month? =? scanner . nextint()；

System.out.print ("Please enter your date of birth");

int？ Day? =? scanner . nextint()；

System.out.print ("Your constellation is:");

//? By entering a complete date, you can automatically handle unreasonable dates, such as February 30th.

//? SimpleDateFormat？ Date format? =? New? simple date format(" yyyy-MM-DD ")；

//? System.out.print ("Please enter your date of birth (in the format of 2018-02-03):");

//? Dating? Birthday =? date format . parse(scanner . nextline())；

//

//? Calendar? Calendar? =? calendar . getinstance()；

//? Calendar.setTime (birthday);

//? int？ Month? =? Calendar.get (calendar. Month)? +? 1;

//? int？ Day? =? Calendar.get (calendar. Month day);

//? System.out.print ("When is your birthday? :"? +? DateFormat.format (birthday)? +? "\ r \ Your constellation is:");

scanner . close()；

Switch? (month)? {

Case? 1:

What if? (day? & lt？ 22)

System.out.println ("Capricorn");

other

System.out.println ("Aquarius");

Break;

Case? 2:

What if? (day? & lt？ 22)

System.out.println ("Aquarius");

other

System.out.println ("Pisces");

Break;

Case? 3:

What if? (day? & lt？ 22)

System.out.println ("Pisces");

other

system . out . println(" Aries ")；

Break;

Case? 4:

What if? (day? & lt？ 22)

system . out . println(" Aries ")；

other

system . out . println(" Taurus ")；

Break;

Case? 5:

What if? (day? & lt？ 22)

system . out . println(" Taurus ")；

other

System.out.println ("Gemini");

Break;

Case? 6:

What if? (day? & lt？ 22)

System.out.println ("Gemini");

other

system . out . println(" Cancer ")；

Break;

Case? 7:

What if? (day? & lt？ 22)

system . out . println(" Cancer ")；

other

system . out . println(" Leo ")；

Break;

Case? 8:

What if? (day? & lt？ 22)

system . out . println(" Leo ")；

other

System.out.println ("Virgo");

Break;

Case? 9:

What if? (day? & lt？ 22)

System.out.println ("Virgo");

other

system . out . println(" Libra ")；

Break;

Case? 10:

What if? (day? & lt？ 22)

system . out . println(" Libra ")；

other

System.out.println ("Scorpio");

Break;

Case? 1 1:

What if? (day? & lt？ 22)

System.out.println ("Scorpio");

other

System.out.println ("Sagittarius");

Break;

Case? 12:

What if? (day? & lt？ 22)

System.out.println ("Sagittarius");

other

System.out.println ("Capricorn");

}

}

}