第八周作业

package task1;
import java.util.*;
public class q {
    public static void main(String[] args) {
        jiecheng(5);
       }

    public static void jiecheng(int i) {
        Scanner input = new Scanner(System.in);
        int jc=1;
        for(int j=1;j<=i;j++){
            jc=jc*j;
        }
        System.out.println(i+"的阶乘为"+jc);
    }
}

package task1;
import java.util.*;
public class q {
     public static void main(String[] args) {
         nianfen(2020);
        }

     public static void nianfen(int i) {
         if (i%4==0&&i%100!=0||(i%400==0)){
             System.out.println(i+"是闰年");
         }else{
             System.out.println(i+"是平年");
         }
     }
}