How to Use the Null Coalescing Operator (??) in C# ?

Question

Hai friends anybody say about the Operator Overloading in C#.net

Answer 1

Below is a sample code that uses Null Coalescing Operator (??) in C# to find if the vaklue is null . If it is null , then a value of -1 is assigned .

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

namespace ACSampleCode
{
    class Program
    {
        static void Main(string[] args)
        {
            int ? input = null;
            int retValue = input ?? -1;
            Console.WriteLine(retValue);
            Console.ReadLine();
        }
    }

}