A tour of the C# language
C# is a popular language for the .NET platform, which is a free, open source development environment that works on different devices like phones, computers, and servers. It helps developers create efficient programs that can run well on many devices, from small IoT gadgets to big cloud servers.
With C#, developers can write apps for different devices easily. It’s a versatile language that blends different programming styles, like object-oriented and functional programming, making it easy for developers to write code.
C# is widely used in the programming community, and it’s supported by many tools and resources. It’s also very efficient, so developers can create powerful software without sacrificing performance. Plus, because a lot of the .NET platform is written in C#, improvements to C# benefit all developers using .NET.
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Hello World
The “Hello, World” program is traditionally used to introduce a programming language. Here it is in C#:
using System;
class Hello
{
static void Main()
{
// This line prints "Hello, World"
Console.WriteLine("Hello, World");
}
}
The line starting with // is a single line comment. C# single line comments start with // and continue to the end of the current line. C# also supports multi-line comments. Multi-line comments start with /* and end with */.
Familiar C# features
The C# programming language allows you to build many types of applications, like:
- Business applications to capture, analyze, and process data
- Dynamic web applications that can be accessed from a web browser
- Games, both 2D and 3D
- Financial and scientific applications
- Cloud-based applications
- Mobile applications
Notes of C# Programming Language Features
| Aspect | Description |
|--------------------------------|--------------------------------------------------------------------------------------------------|
| Usability | Beginner-friendly yet offers advanced features for experienced developers. |
| Syntax | Resembles C, C++, JavaScript, and Java, featuring familiar control structures and syntax rules. |
| Typing | Strongly typed, with variables having predefined types known at compile time. |
| Data Types | Supports fundamental types (integers, doubles, characters) and user-defined types (structs, classes). |
| Object-Oriented Programming | Supports inheritance, polymorphism, method overloading, and defining properties and events. |
| Error Handling | Uses exceptions to handle errors, allowing for graceful recovery. |
| Libraries | Leverages extensive .NET runtime libraries, providing platform-independent and workload-specific components. |
Table of Contents
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