学步园

/*
   question :随机产生1800~2000之间的年份, 判断是否为润年

*/
using System;
namespace TestApp
{
      class Test
      {
            public int getnum()
            {
                 Random rand = new Random();
                 int num=(int)(rand.Next(1800,2000));
                 Console.WriteLine("产生的随机数是{0}", num);
                 return num;
            }
            public void leapYear(int num)
            {
                 if(num%400==0)
                    Console.WriteLine("{0}是润年!", num);
                 else if((num%4==0)&&(num%100!=0))
                    Console.WriteLine("{0}是润年!", num);
                 else
                    Console.WriteLine("{0}不是润年!", num);
            }
            static void Main(string[] args)
            {
                  Test test = new Test();
                  int i = test.getnum();
                  test.leapYear(i);
            }
      }
}