练习1

package text;

public class Jiejue4 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println(panduan(2000));
        
    }
        public static boolean panduan(int n) {
        if((n%4==0&&n%100!=0)||n%400==0) {
            return true;
        }
        return false;
        }
    }