How to Allow Null Values for Integer in C# ?

In order to allow null values to an integer or for any value types , we need to make the data type as Nullable<T> where T refers to type.

How to Allow Null Values for Integer in C# ?

There are 2 ways you can set null value to value types in C# .

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AbundantcodeConsole
{

    class Program
    {
        static void Main(string[] args)
        {
            Nullable<int> Marks1;
            int? Marks2;
            Console.ReadLine();
        }
    }   
}
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