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import?java.util.Scanner;

/**

*?java輸入年,月得到日歷

*

*?@author?young

*

*/

public?class?PrintCalendar?{

public?static?void?main(String[]?args)?{

32313133353236313431303231363533e59b9ee7ad9431333337383861Scanner?input?=?new?Scanner(System.in);

System.out.print("Enter?full??year?(eg:2001):");

int?year?=?input.nextInt();

System.out.print("Enter?month?in?number?1?between?12:");

int?month?=?input.nextInt();

printMonth(year,?month);

}

public?static?void?printMonth(int?year,?int?month)?{

printMonthTitle(year,?month);

printMonthBody(year,?month);

}

public?static?void?printMonthTitle(int?year,?int?month)?{

System.out.println("????????"?+?getMonthName(month)?+?"?"?+?year);

System.out.println("______________________________");

System.out.println("??Sun?Mon?Tue?Wed?Thu?Fri?Sat");

}

public?static?String?getMonthName(int?month)?{

String?monthName?=?"?";

switch?(month)?{

case?1:

monthName?=?"Fanuary";

break;

case?2:

monthName?=?"January";

break;

case?3:

monthName?=?"March";

break;

case?4:

monthName?=?"April";

break;

case?5:

monthName?=?"May";

break;

case?6:

monthName?=?"June";

break;

case?7:

monthName?=?"July";

break;

case?8:

monthName?=?"August";

break;

case?9:

monthName?=?"September";

break;

case?10:

monthName?=?"October";

break;

case?11:

monthName?=?"November";

break;

case?12:

monthName?=?"December";

}

return?monthName;

}

public?static?void?printMonthBody(int?year,?int?month)?{

int?startDay?=?getStartDay(year,?month);

int?numberOfDaysInMonth?=?getNumberOfDaysInMonth(year,?month);

int?i?=?0;

for?(i?=?0;?i?

System.out.printf("%4s",?"?");

}

for?(i?=?1;?i?<=?numberOfDaysInMonth;?i++)?{

System.out.printf("%4d",?i);

if?((i?+?startDay)?%?7?==?0)

System.out.println();

}

//?System.out.println();

}

public?static?int?getStartDay(int?year,?int?month)?{

final?int?START_DAY_FOR_JAN_1_1800?=?3;

int?totalNumberOfDays?=?getTotalNumberOfDays(year,?month);

return?(totalNumberOfDays?+?START_DAY_FOR_JAN_1_1800)?%?7;

}

public?static?int?getTotalNumberOfDays(int?year,?int?month)?{

int?total?=?0;

for?(int?i?=?1800;?i?

if?(isLeapYear(i))

total?=?total?+?366;

else

total?=?total?+?365;

for?(int?i?=?1;?i?

total?=?total?+?getNumberOfDaysInMonth(year,?i);

return?total;

}

//?每個月天數

public?static?int?getNumberOfDaysInMonth(int?year,?int?month)?{

if?(month?==?1?||?month?==?3?||?month?==?5?||?month?==?7?||?month?==?8

||?month?==?10?||?month?==?12)

return?31;

if?(month?==?4?||?month?==?6?||?month?==?8?||?month?==?11)

return?30;

if?(month?==?2)

return?isLeapYear(year)???29?:?28;

return?0;

}

//?判斷閏年

public?static?boolean?isLeapYear(int?year)?{

return?year?%?400?==?0?||?(year?%?4?==?0?&&?year?%?100?!=?0);

}

}

給個代碼你參考下， ? 下次貼代碼別貼截圖， ?直接復制代碼 ?，這樣別人復制了之后也好修改。

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