# How to Swap Two Numbers Without Third Variable in C#

If you are a c# beginner or want to start learning the c# programming language, then this program will help you to understand the basics of c# programming. In this program, I will explain how to swap two numbers without using the third variable in C# programming language.

## How to swap two numbers without third variable in C#

Copy the below c# program and execute it in your Microsoft Visual Studio IDE (Integrated Development Environment ). At the end of this program, I have shared the screenshot of program output.

```using System;
public class SwapExample
{
public static void Main(string[] args)
{
int  a=5, b=10;
Console.WriteLine("Before swap a= "+a+" b= "+b);
a=a*b; //a=50 (5*10)
b=a/b; //b=5 (50/10)
a=a/b; //a=10 (50/5)
Console.Write("After swap a= "+a+" b= "+b);
}
}   ```

Before Swap a= 20 b= 50
After swap a= 50 b= 20

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How to Swap Two Numbers Without Third Variable in C#

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