Cohesion vs Coupling in Object-Oriented Programming: A Complete Guide

Introduction Ever stared at a massive class file with hundreds of lines of code and thought, “What is this thing even supposed to do?” I sure have. That confusion usually points to problems with cohesion and coupling, two concepts that might sound academic but actually make the difference between code you want to work with and code you want to run away from. Let’s talk about these two fundamental ideas that can transform your code from a tangled mess into something you’re actually proud of. ...

June 20, 2025 · 8 min · 1659 words

DIP vs DI vs IoC: Understanding Key Software Design Concepts

Introduction If you’ve ever been in a job interview for a software developer position, chances are you’ve been asked to explain the difference between DIP, DI, and IoC. I know I have, and the first time I was asked, I definitely stumbled through my answer! These three terms, Dependency Inversion Principle, Dependency Injection, and Inversion of Control, sound awfully similar and are often used interchangeably (incorrectly) by developers. But they’re actually distinct concepts that play different roles in helping us write better code. ...

June 20, 2025 · 10 min · 2028 words

Fundamentals of SOLID Principles in Object-Oriented Programming

Introduction If you’ve been coding for a while, you’ve probably heard of SOLID. It’s a set of five design principles that Robert C. Martin (better known as “Uncle Bob”) came up with back in the early 2000s. Since then, these ideas have become pretty much essential knowledge for anyone writing object-oriented code. But SOLID isn’t just another tech buzzword to memorize for interviews. These are practical ideas that actually help you write better code. I’ve found that following these principles helps me avoid creating those messy, brittle codebases that become a nightmare to change later on. ...

June 20, 2025 · 18 min · 3801 words

What are generics?

Introduction to Generics in C# Generics are a game-changer in C# that let you write code that works with pretty much any data type, but still keeps all the safety checks in place. They showed up back in C# 2.0 and completely changed how we write reusable code. Think of generics like a recipe that doesn’t specify exactly what you’re cooking with. You could throw in beef, chicken, or tofu, the cooking instructions still work, but you don’t have to write separate recipes for each ingredient. The best part? The compiler still checks that you’re not accidentally using chicken when you said you’d use beef! ...

June 20, 2025 · 11 min · 2166 words

When to Use Static Classes in C#: Best Practices and Use Cases

Understanding Static Classes in C# A static class in C# is basically a container for methods and properties that don’t need any object to work. You can’t create instances of these classes, there’s no way to use the new keyword with them. Instead, you just call their methods directly through the class name. When Should You Use Static Classes? Static classes can really clean up your code when used correctly. Here are some situations where they make perfect sense: ...

June 20, 2025 · 4 min · 790 words