Gain insights into C# 10 and .NET, learn programming basics, delve into OOP, explore data structures, and discover how to build and deploy native applications effectively.

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C# is one of the most popular programming languages in the world, and its latest stable version, C# 10, has several new features and updates that make it an excellent choice for a wide variety of applications. Combined with the .NET framework, C# can empower developers to build native applications for all the major consumer operating systems as well as the cloud.

The course starts with an introduction to programming concepts such as conditional statements, loops, arrays, and functions. You’ll explore advanced topics of object-oriented programming (OOP) including classes, inheritance, access, and extensions. Finally, you’ll work with data structures, events, concurrency, testing, and databases.

By the end of this course, you’ll have a working knowledge of not only the C# programming language, but also key ideas of software engineering. You’ll also be prepared to build and deploy native applications with the .NET framework.

Programming Fundamentals: Getting Started with C# and .NET

## What is recursion?


**Recursion** is when something calls itself. When a method calls itself, it's referred to as a **recursive method**.

### Syntax
```C#
public static double AMethod()
{
  return AMethod(); // Method calls itself
  // Note: This example would crash a program because it would never end
}
```

### Example: `VerifyWord`

Suppose we're designing a game where user input determines the direction we move, either upwards or downwards. Here is an example that uses recursion, where we repeatedly ask the user to make sure that they've input the corect direction.

# What is recursion?


**Recursion** is when something calls itself. When a method calls itself, it's referred to as a **recursive method**.

## Syntax
```C#
public static double AMethod()
{
  return AMethod(); // Method calls itself
  // Note: This example would crash a program because it would never end
}
```

## Example: `VerifyWord`

Suppose we're designing a game where user input determines the direction we move, either upwards or downwards. Here is an example that uses recursion, where we repeatedly ask the user to make sure that they've input the corect direction.

Introduction

C# Basics

Operators

Decisional Statements

Loops (Iterative Statements)

Arrays

Methods

Classes

Data Structures

Delegates and Events

Miscellaneous Topics

Concurrency

LINQ and Databases

Appendix

Method Recursion

What is recursion?