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C# Program to Swap Two Numbers

Posted in C# Tutorial
Updated on Oct 06, 2024
By Mari Selvan
πŸ‘οΈ 126 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
C# Program to Swap Two Numbers

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the world of programming, performing basic operations on numbers is a fundamental task. Swapping two numbers is one such operation that involves exchanging the values of two variables. This operation is commonly used in various algorithms and programs.

In this tutorial, we will explore a simple C# program designed to swap the values of two numbers.

πŸ“„ Example

Let's delve into the C# code that accomplishes this task.

SwapNumbers.cs
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using System;

class Program {
  // Function to swap two numbers
  static void SwapNumbers(ref int a, ref int b) {
    // Using tuple deconstruction to swap values
    (a, b) = (b, a);
  }

  // Main method
  static void Main() {
    // Replace these values with the numbers you want to swap
    int num1 = 5, num2 = 10;

    Console.WriteLine($"Before swapping: num1 = {num1}, num2 = {num2}");

    // Call the function to swap the numbers
    SwapNumbers(ref num1, ref num2);

    Console.WriteLine($"After swapping: num1 = {num1}, num2 = {num2}");
  }
}

πŸ’» Testing the Program

To test the program with different numbers, modify the values of num1 and num2 in the Main method.

Output
Before swapping: num1 = 5, num2 = 10
After swapping: num1 = 10, num2 = 5

Compile and run the program to see the result of swapping the two numbers.

🧠 How the Program Works

  1. The program defines a function SwapNumbers that takes two integer parameters, a and b, and swaps their values using tuple deconstruction.
  2. Inside the Main method, replace the values of num1 and num2 with the numbers you want to swap.
  3. The program prints the values of num1 and num2 before and after swapping.

🧐 Understanding the Concept of Swapping Two Numbers

Swapping two numbers involves exchanging their values. In the provided program, a temporary variable is used to hold the value of one variable while the values of the two variables are exchanged.

🎒 Optimizing the Program

While the provided program is a straightforward way to swap two numbers, consider exploring and implementing alternative approaches or optimizations.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!.

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
10 months ago

If you have any doubts regarding this article (C# Program to Swap Two Numbers), please comment here. I will help you immediately.

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