C# Tutorial: Everything to Know
Updated on Nov 24, 2022 | 6 min read | 5.5k views
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Updated on Nov 24, 2022 | 6 min read | 5.5k views
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Programming languages are beneficial when communicating or giving commands to computers. C# is an object-oriented, simple, modern programming language that offers all the flexibility and features required by developers to build scalable and robust software. In addition, C# is open-sourced and has a strong community of developers backing it.
This blog will discuss everything you need to know about the C# programming language for easy implementation in your projects!
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C# is a modern, easy, and intuitive language. It was created with the motto to simplify learning and writing a language capable of providing many features and functionality to construct complex and straightforward software. Diving deep into the history and evolution of programming languages helps you understand that each programming language- from Java to C, C++ to Python – was developed and designed to solve a specific purpose or a challenge.
C# was designed keeping in mind the evolving needs of enterprises. Dynamic software comprises many components and demands different technologies for working with various elements. However, C# resolved this problem as it enabled developers to create several modules and software using just one language – C#.
C# supports web development, app development, and desktop tools development needs in modern-day development features. Some important features include variable types, auto initialisation, lambda expressions, dynamic programming, pattern matching, exception handling, etc. Further, the syntax of C# is influenced by the earlier languages like Java and C++, simplifying the learning and adaptation process, especially if you have a working knowledge of Java or C++.
Under the .NET foundation, C# is an open-source language. The .NET Foundation is governed by Microsoft, keeping it an autonomous body. C# language specs, related tools, and essential compilers are open-source on GitHub. This provides the language with a large pool of active developers who act as a support group for new learners. As a result, C# is fast compared to other high-level languages and has a lot of performance improvements.
C# programming language is platform-dependent and can be executed across different platforms. So, you can develop .NET applications to deploy on Mac, Linux, and Windows platforms easily. In addition, you can also use C# applications in containers and clouds.
C# is a programming language equipped with many security measures to make it a type-safe language. It means, C# does not allow type conversions that may lead to a loss in data or other problems. The language also allows developers to write pristine, safe, and efficient code. All these reasons make C# a safe programming language and a choice of language for developers looking to build safe and secure applications.
Now that you have an idea of the features of C# that make it a useful language let’s look at some concepts and syntax to help you get started with programming in C#.
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Let’s try to understand the syntax and working of C#. Here are some basic steps you need to follow before you write your first program in C#:
The first step is finding a compiler: C# is not an interpreted language, so it needs a compiler first to compile the code and then execute it. So, find a compiler before starting to write the program. You will get different options for compilers depending on the operating system (OS) you use. For instance, if you are on Windows, you can use Microsoft Visual Studio, Visual Web Developer, etc. If you’re on Linux, you can use Mono, and likewise, there are other IDEs available for other operating systems.
Once you have your IDE with you, the next step is to write programs in C#. Let’s see how that is done. Here is a simple C# program to print “Welcome to upGrad”.
// C# program to print “Welcome to upGrad”
using System;
namespace upGradApp
{
class upGrad
{
// Main function
static void Main(string[] args)
{
// Printing
Console.WriteLine(“Welcome to upGrad”);
Console.ReadKey();
}
}
}
You get the following output when you run this program – “Welcome to upGrad”.
Let’s look at a line-by-line explanation of this C# code to help you understand how control is passed and how different statements are executed:
Note that C# is a case-sensitive language, and every expression and statement must end with a semicolon (;).
Now that you have gone through your first C# code let’s look at some advantages and disadvantages of using C#. We’ll also briefly look at some use-cases easily accomplished using the C# language.
C# is a crucial programming language for software and application development. We’ve given you a basic overview of the language and how to get started with it in this article. However, this is just the beginning. The software development world is complex and layered – but it’s also fascinating to explore. At upGrad, we’ve helped students and professionals excel in their software development careers. Our courses are designed to provide you with the best theoretical, practical, and environmental learning. Check out our Master of Science in Computer Science course, offered in collaboration with Liverpool John Moore University, and get yourself registered soon!
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