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The Singleton pattern ensures that a class has only one instance and provides a way to access it from anywhere in the code. ✅ When to use it: You need a single, shared object — like an app-wide settings manager, log writer, or clock. ❌ When not to ...
1. What is the Factory Pattern? The Factory Pattern is a creational pattern that delegates object creation to a separate component (a “factory”) instead of using new directly. This helps you decouple object creation logic from the rest of your code. ...
The Builder pattern is a creational design pattern used to construct complex objects step-by-step. It’s useful when a class has many optional parameters or an object construction needs to be made more readable and flexible. In this post, we’ll explor...
What Is the Prototype Pattern? A prototype is a pre-existing object that you use as a template to create new objects. Instead of creating an object from scratch, with newYou clone an existing one that already has the desired state. The Prototype Patt...
The Strategy pattern lets you define a family of algorithms, encapsulate each one, and make them interchangeable. It enables selecting an algorithm at runtime, promoting flexibility and adherence to SOLID principles. Understanding the Class Diagram ...
The Observer pattern is a behavioral design pattern that defines a one-to-many relationship between objects. When the state of one object (the subject) changes, all its dependents (the observers) are automatically notified and updated. This pattern p...
