C# Program to swap two numbers without third variable

In this post, we will learn about C# Program to swap two numbers without third variable with an example.

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In my previous posts I have explained various topics like Get site visitor count in asp.net
Convert generic list to datatable in Asp.Net C#.Net, Abstract Class in C# with Example,
Routing in Asp.Net MVC with Example
,Use of Global.asax in Asp.net



Now in this post, I will explain  C# Program to swap two numbers without third variable with appropriate example.

Now create Console Application in Visual Studio and write below lines of code in it.

using System;
namespace DotNetK
{
    class Program
    {
        static void Main(string[] args)
        {
            // C# Program to swap two numbers without third variable

            int No1 = 50, No2 = 10;
            Console.WriteLine("Before swap No1= " + No1 + " No2= " + No2);
            No1 = No1 + No2;       
            No2 = No1 - No2;       
            No1 = No1 - No2;
            Console.Write("After swap No1= " + No1 + " No2= " + No2); 

            Console.ReadKey(); // To hold the console screen.
        }
    }
}

 



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