How to Check Nullable Type Equality Operators In C#

using System.IO;
using System;
class NullableType
{
    static void Main(string[] args)
    {
        int ? i1 = null, i2 = null; // Both are null.
        if (i1 == i2) { // Operator returns true.
            Console.WriteLine("Both Nullable Type Variables are Equal");
        }
    }
}