Creating a console application may seem like a daunting task for beginners, but it is one of the best ways to learn programming basics. With the help of Visual Studio 2019, you can easily develop your skills in this area. In this article, we will guide you through the process of creating a console application in Visual Studio 2019.<\/p>\n
To start, launch Visual Studio 2019 by opening it from your desktop or Start menu. Once the program is open, click on ‘Create a new project’ on the start page or select ‘File’ from the menu bar, followed by ‘New’ and then ‘Project’. From there, you should select ‘Console Application (.NET Core)’ and choose ‘Next’. You will then be prompted to name your project and select a location where it will be saved. Enter a name as per your preference, and then press the ‘Create’ button to complete the creation process.<\/p>\n
After you have created a new project, you will see an empty ‘Program.cs’ file. You will also find a pre-written method named ‘Main()’ in the file. This is the method that will be executed when you run the program.<\/p>\n
To create your first console application, type ‘Console.WriteLine(“Hello World!”);’ inside the curly braces of the Main() method. This is a basic program in C# that will display the text \u201cHello World\u201d on the command line. The completed program should look like this:<\/p>\n
“`
\nusing System;<\/p>\n
namespace MyConsoleApplication
\n{
\n class Program
\n {
\n static void Main(string[] args)
\n {
\n Console.WriteLine(“Hello World!”);
\n }
\n }
\n}
\n“`<\/p>\n
To test your first console application, click the ‘Start’ button in the toolbar or press F5 to run the program. You will see the text \u201cHello World\u201d displayed on the console window. Congratulations! You have successfully created and run your first console application in Visual Studio 2019.<\/p>\n
To understand the code you just created, let’s dive into its structure. The first line of the program starts with the keyword ‘using’. This is a directive that tells the compiler which namespaces are being used in the program. Namespaces are used to organize code and prevent naming conflicts.<\/p>\n
The ‘System’ namespace is being used in this program to access the Console class. The Console class provides basic console input and output features. The next line starts with the ‘namespace’ keyword. A namespace is a collection of related classes and functions. In our case, we have named our namespace as ‘MyConsoleApplication’.<\/p>\n
After that, we use the ‘class’ keyword to create a new class called ‘Program’. A class is a template or blueprint for creating objects that have similar characteristics. Within the class, we define the ‘Main’ method. The Main method is the entry point of the program that gets executed first. Finally, we use the ‘Console.WriteLine’ method to display the text \u201cHello World\u201d on the console window.<\/p>\n
Creating console applications might look complex at first, but with the help of Visual Studio 2019, we can easily create and run our first console application. In this article, we have provided a step-by-step guide on how to do this. We hope that you now have a better understanding of the basic mechanics of console applications, namespaces, classes, and methods.<\/p>\n","protected":false},"excerpt":{"rendered":"
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