Write a Program to Check Whether the Entered Year is a Leap Year or Not in C#

using System;

using static System.Console;

namespace CSarpExamples

{

    class LeapYear

    {

        static int year;

        static void Main()

        {

            WriteLine("Enter the year");

            year = Convert.ToInt32(ReadLine());

            LeapYear ly = new LeapYear();

            ly.LeapYearData();

            ReadLine();

        }

        public void LeapYearData()

        {

            if ((year % 4 == 0 && year % 100 == 0) || (year % 400 == 0))

            {

                WriteLine();

                WriteLine("{0}: is leap year", year);

            }

            else

            {

                WriteLine();

                WriteLine("{0}: is not leap year", year);

            }

        }

    }

}

Output