Factory Design Pattern in Java | Real World Examples | Creational Design Patterns

Understanding the factory design pattern starts with seeing why badly written code breaks at scale. In this video, I introduce the factory pattern — what it says, what it means, and why it matters in real projects.

Then, instead of just theory, I take a poorly structured codebase and refactor it step by step until it follows factory method design pattern standards. You'll see the factory pattern explained through hands-on refactoring, not slides.
We begin by identifying problems — tight coupling, scattered object factory calls, and hardcoded dependencies.

One by one, I replace the incorrect approach with the correct one: introducing a factory class, enabling dynamic object creation, and centralizing logic through the factory method. By the end, what's left is clean, industry-standard code built on the simple factory pattern — and you'll understand exactly why each change was made.

What You'll Learn:
1. What the factory design pattern in java actually means and when to apply it
2. A factory pattern real world example built through live refactoring
3. How to move from messy code to a proper factory pattern implementation
4. How the factory method java approach removes tight coupling
5. Step-by-step factory pattern implementation through live refactoring
6. Why dynamic object creation beats direct object instantiation
7. When to use factory pattern — real project signals to watch for
8. Factory pattern interview questions — answer with confidence, not memorization

This isn't just another design patterns tutorial — it's a factory design pattern example that shows you how code should be written in the industry. If you're preparing for interviews, the factory pattern interview questions angle is critical — and design pattern interview questions often test whether you can spot when a factory method pattern or java factory pattern should replace scattered object creation.

To access the code: Clone below mentioned repository and checkout to branch : factory-pattern
Github Link: https://github.com/TheCuriousCoder-sg/design-patterns/tree/factory-pattern

00:00 : Factory Pattern Brief
01:37 : Tight Coupling (before Factory Pattern)
05:38 : Code Duplicacy (before Factory Pattern)
06:54 : Factory Pattern Implementation
10:32 : Factory Pattern Implementation Enhanced

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Видео Factory Design Pattern in Java | Real World Examples | Creational Design Patterns канала The Curious Coder