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How to Create Your First Console Application in C# using Visual Studio
Introduction
C# is a powerful and versatile programming language that can be used to develop various kinds of applications for the .NET platform. In this tutorial, you will learn how to create your first console application in C# using Visual Studio 2022, the latest version of the integrated development environment (IDE) from Microsoft.
A console application is a simple type of application that runs in a command prompt window and interacts with the user through text input and output. It is a good way to learn the basics of C# and .NET, as well as to test your code quickly and easily.
Prerequisites
To follow this tutorial, you will need:
- A Windows operating system (Windows 10 or later is recommended)
- Visual Studio 2022 Community Edition or higher
- A basic understanding of C# syntax and concepts
Steps to Create a Console Application
Step 1: Create a New Project
- Open Visual Studio 2022 and click on the Create a new project option on the start page.
- In the Create a new project window, type console in the search box and select the Console App (.NET Framework) template using C# language. Then click on the Next
- In the Configure your new project window, enter the name and location of your project and solution. You can also choose the .NET Framework version you want to use (the latest version is 4.8). Then click on the Create
Step 2: Write the Code
- Visual Studio will create a new console project with a default code file named cs. This file contains the main class and method of your application, where you can write your code.
- To display the message Hello World on the console window, you need to use the WriteLine method, which writes a line of text to the standard output stream. You can pass any string value as an argument to this method.
- Modify the Main method of the Program class as shown below:
using System;
namespace MyFirstProject
{
class Program
{
static void Main(string[] args)
{
// Write a line of text to the console
Console.WriteLine(“Hello World!”);
}
}
}
Step 3: Build and Run the Application
- To build and run your application, you can use the Start button on the toolbar, the F5 key on the keyboard, or the Debug > Start Debugging menu option. This will compile your code and launch the console window with your output.
- You should see the message Hello World! displayed on the console window, as shown below:
Hello World!
- To close the console window, you can press any key on the keyboard or click on the X button on the top right corner.
