package day1;
public class Days {
public static void main(String[] args) {
//根据年份和月份计算天数
int year = 2001; //年
int month = 9; //月
int days = 0; //天数
switch(month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
days = 31;
break;
case 4:
case 6:
case 9:
case 11:
days = 30;
break;
case 2:
if(year%4==0 && year%100!=0 || year%400==0){
days = 29;
}else{
days = 28;
}
}
System.out.println("days="+days);
}
}
