Examples of Design Patterns using C#
| Pattern | Category | Example |
|---|---|---|
| Builder | Creational | Fluent customer builder |
| Chain of Responsibility | Behavioral | Discount calculation chain |
| Strategy | Behavioral | Swappable payment processing |
| Factory Method | Creational | Notification creator (email, SMS, push) |
| Singleton | Creational | Thread-safe app configuration |
| Observer | Behavioral | Stock price alerts for investors |
| Adapter | Structural | Legacy payment gateway integration |
| Decorator | Structural | Coffee shop orders with toppings |
| Facade | Structural | Home theater system (one-button movie night) |
| Command | Behavioral | Restaurant ordering with undo support |