public class year {
public static void main(String arg[]){
Scanner a=new Scanner(System.in);
System.out.print("请输入一个年份:");
int b=a.nextInt();
System.out.print("请输入一个月份:");
int f=a.nextInt();
if (b%4==0&&b%100!=0||b%400==0)//判断是否为闰年
{
System.out.println(b+"年是闰年");
}
else{
System.out.println(b+"年是平年");
}
switch (f)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
System.out.println(f+"月有31天");
break;
case 2:
if (b%4==0&&b%100!=0||b%400==0) {
System.out.println(f + "月有28天");
}
else {
System.out.println(f+"月有29天");
}
break;
case 4:
case 6:
case 9:
case 11:
System.out.println(f+"月有30天");
break;
default:
System.out.println("输入月份不符");
break;
}
}
}