Java判断是否是闰年

标题日期：2020/1/14

标题IDE：Intellij IDEA

标题功能：判断是否是闰年

package test.demo;

public class LeapYear {
    //成员变量
    int year,month,day;
    //构造函数
    public LeapYear(int year,int month,int day){
        this.year = year;
        this.month = month;
        this.day = day;
    }
    //输出日期
    public void print(){
        System.out.print("日期："+year+'年'+month+'月'+day+'日');
    }
    //判断是否是闰年
    public Boolean isLeapYear(int year){
        return (year%400==0)||(year%4==0&&year%100!=0);
    }
    //执行入口
    public static void main(String[] args){
        LeapYear leapYear = new LeapYear(2012,12,25);
        if(leapYear.isLeapYear(leapYear.year)){
            leapYear.print();
            System.out.println("是闰年");
        }
        else{
            leapYear.print();
            System.out.println("不是闰年");
        }
    }
}