1.02: Sum two Numbers

OBJECTIVE

Write a C# program to print the result of adding 12 and 21 on screen. Compile it using Mono. Check that the resulting EXE file works properly. 

RESOLUTION

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

namespace My3Development
{
 class SumTwoNumber
 {
     static void Main(string[] args)
     {
        Console.WriteLine("12+21= "+(12+21));

        Console.ReadKey();
        }
    }
 }

DEMO RESULT

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