[ Telerik C#] Primitives And Variables - EX 13

// 13. Create a program that assigns null values to an integer and to double variables.
// Try to print them on the console, try to add some values or the null literal to them and see the result.


using System;
using System.Text;


class NullVariable
{
    static void Main()
    {
        int? a = null;
        double? b = null;  // It means that the value type in question is a nullable type

        Console.WriteLine("Printing the nullable variables: a: {0} b: {1}", a, b);

        a += null;
        b += 3.1415926; // !Important - Adding value to null variable results null!
        Console.WriteLine("Printing the nullable variables: a: {0} b: {1}", a, b);
    }
}