Software Development Articles and Guides

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C#

From language basics to LINQ, async/await, and the .NET ecosystem; modern features and best practices for production-ready apps.

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First C# Project

First console app in C# with Visual Studio 2022: usage of WriteLine, ReadKey, and ReadLine.

Language Basics

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C# Basic Data Types

Basic data types in C#: numeric, text, logical, object-based, and nullable types.

Language Basics

C# C# Basics Variables

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Introduction to C# and the .NET Ecosystem

C# is a modern, safe, and object-oriented language. With the .NET ecosystem, it is possible to develop web, mobile, desktop, and game applications.

Language Basics

C# C# Basics

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C# Operators and Expressions

Operators and expressions in C#: arithmetic, comparison, logical, increment/decrement, ternary, and null-coalescing usage.

Language Basics

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C# Syntax Structure

Learn the basics of C# syntax, including code blocks, comments, and variable naming rules, with clear explanations and practical examples.

Language Basics

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C# Conditional Statements (if, else, switch)

Decision structures in C#: learn how to use if, else if, else and switch to perform different actions based on conditions.

Language Basics

C# else Statement if Statement switch Statement

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// hard to read if (isActive && hasPermission && retryCount < 3) { process(); } // clearer bool canProcess = isActive && hasPermission; if (canProcess && retryCount < 3) { process(); }

string a = "london"; string b = "LONDON"; bool eq1 = a == b; bool eq2 = string.Equals(a, b, StringComparison.OrdinalIgnoreCase); Console.WriteLine(eq1); // False Console.WriteLine(eq2); // True

// Contains: works for exact values var ids = new List { 10, 20, 30 }; bool has20 = ids.Contains(20); // Any: works for conditions bool hasOver25 = ids.Any(x => x > 25); Console.WriteLine(has20); // True Console.WriteLine(hasOver25); // True

All Coder Things

Articles, references, and practical project series on software development.

Guides

C#

Featured Articles

First C# Project

C# Basic Data Types

Introduction to C# and the .NET Ecosystem

C# Operators and Expressions

C# Syntax Structure

C# Conditional Statements (if, else, switch)