null_coaesceing_operator.cs

using System;

namespace ConsoleApplication
{
    public class Program
    {
        static void Main()
        {
            Console.WriteLine(getWithTernaryOperator());
            Console.WriteLine(getWithNullCoalescingOperator());
        }
        
        static string getWithTernaryOperator()
        {
            string variableThatMayBeNull = null;
            string defaultValue = "Default";
            
            // do something useful..
           
           return variableThatMayBeNull != null 
                    ? variableThatMayBeNull : defaultValue;
        }
        
        static string getWithNullCoalescingOperator()
        {
            string variableThatMayBeNull = null;
            string defaultValue = "Default";
            
            // do something useful...
            
            return variableThatMayBeNull ?? defaultValue;
        }
    } 
}