What are some real-world examples of design patterns in C++?
Design patterns in C++ include Singleton, Factory, and Observer patterns. For instance, the Singleton pattern ensures a class has only one instance, like a configuration manager.
Can you explain the Factory pattern with an example?
Sure! The Factory pattern allows for the creation of objects without specifying the exact class. For example, a ShapeFactory can create different shapes like Circle or Square based on input.
How does the Observer pattern work?
The Observer pattern defines a one-to-many dependency between objects. When one object changes state, all its dependents are notified. A classic example is a news agency notifying subscribers.
Are there any other design patterns I should know about?
Yes, there are many! Some other important patterns include Strategy, Decorator, and Command patterns, each serving different design needs.
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