public class runnian {
public static void main(String[] arge, int sun) {
System.out.println("请输入年份");
Scanner in = new Scanner(System.in);
int year = in.nextInt();
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
System.out.println("闰年");
} else {
System.out.println("平年");
}
System.out.println("请输入月份");
int month = in.nextInt();
switch (month) {
case 2: {
if ((year % 4) == 0) {
System.out.println(month + "月是28天");
} else
System.out.println(month + "月是29天");
}
break;
case 1:
break;
case 3:
break;
case 5:
break;
case 7:
break;
case 8:
break;
case 10:
break;
case 12:
System.out.println(month + "月是31天");
break;
default:
System.out.println(month + "月是30天");
break;
}
int sum = 0;
int weekday = sum % 7;
for (int i = 1900; i < year; i++) {
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
sum += 366;
} else {
sum += 365;
}
}
for(int i=1;i<month;i++){
if(i==2){
if(year%4==0&&year%100!=0||year%400==0){
sum+=29;
}
else {
sum+=28;
}
}
else {
if(year%4==0&&year%100!=0||year%400==0){
sum+=30;
}
else {
sum += 30;
}
}
}
int days=0;
if(month==2){
if(year%4==0&&year%100!=0||year%400==0){
days=29;
}
else {
days=28;
}
}else if(month==4||month==6||month==9||month==11){
days=30;
}
else {
days=31;
}
int weekdays=sum%7;
System.out.println("日 一 二 三 四 五 六");
for(int i=1;i<=weekdays;i++){
System.out.print(" ");
}
for(int i=1;i<=weekday;i++){
if(sum%7==6){
System.out.print(i+"
");
}
else {
System.out.print(i+"
");
}
sum+=1;
}
}
}