package com.study.demo; import java.util.Scanner; public class Demo7 { public static void main(String [] args) { Scanner input = new Scanner(System.in); System.out.println("请输入年份:"); int year = input.nextInt(); if(year%400==0 || year%4==0 && year%100!=0) System.out.println( year + ":是闰年"); else System.out.println( year + ":不是闰年"); } }