COMO TRABALHAR COM O C# / Diferença entre C# e .NET

Introduction

This tutorial is designed to help you understand the basics of working with C# and the differences between C# and the .NET framework. Whether you're a beginner or looking to refresh your knowledge, this guide provides clear, actionable steps and insights into these technologies.

Step 1: Understanding C#

C# is a versatile programming language primarily used for developing applications on the Windows platform. Here’s how to get started:

• Install Visual Studio: Download and install Visual Studio, which is the primary IDE for C# development. Choose the Community version for free access.
• Create a New Project:
  • Open Visual Studio.
  • Select “Create a new project.”
  • Choose “Console App” for a simple application.
• Familiarize Yourself with Syntax:
  • Learn basic syntax, such as variable declaration, data types, and control structures (if statements, loops).

Step 2: Exploring the .NET Framework

.NET is a framework that provides tools and libraries to facilitate software development. To understand its role:

• Know the Components:
  • CLR (Common Language Runtime): Manages memory, execution of code, and provides services like garbage collection.
  • BCL (Base Class Library): A library of classes that provide common functionalities, such as working with strings and collections.
• Understand the Purpose: .NET allows developers to create applications that can run on different platforms, especially with the introduction of .NET Core.

Step 3: Differences Between C# and .NET

Understanding the distinctions can help clarify their roles in development:

• C#:
  • A programming language used to write applications.
  • Focuses on syntax and language features.
• .NET:
  • A framework that supports C# and other languages.
  • Provides a runtime environment and libraries for building and running applications.

Step 4: Practical Application

To see how C# and .NET work together, follow these steps:

• Write a Simple Program:

  • Open your console app project.

  • Add the following code to Program.cs:

    using System;
    
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello, World!");
        }
    }
    

• Run the Program:

  • Click on the “Start” button in Visual Studio to execute the program and see the output.

Step 5: Additional Learning Resources

To deepen your understanding of C# and .NET, consider these resources:

• Books:

  • "Clean Code" (available in Portuguese and English)
  • "Entendendo Algoritmos"
  • "Introdução à Linguagem SQL"
  • "O Programador Pragmático"

• Courses:

  • Look for online courses that cover C# and .NET development.

Conclusion

In this tutorial, you learned about the basics of C#, the .NET framework, and their differences. You also created a simple console application to see them in action. As a next step, explore more complex projects and consider taking courses to expand your skills in C# development.