1、能被4整除但不能被100整除,或者能被400整除并且能被100整除
public class num1to1 {
static boolean isrun(int n){
if(n%4==0&&n%100!=0||(n%400==0&&n%100==0)){
return true;
}else{
return false;
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
int nian=2000;
if(isrun(nian)){
System.out.println("是闰年,共366天");
}else{
System.out.println("是平年,共365天");
}
}
}