What are the best practices for using inheritance in C++?
When using inheritance in C++, it's important to follow best practices like favoring composition over inheritance, using virtual destructors, and keeping the inheritance hierarchy shallow.
Can you explain why composition is preferred over inheritance?
Composition allows for more flexible and reusable code. It enables you to build complex types by combining simpler ones, reducing tight coupling and making maintenance easier.
What is a virtual destructor and why is it necessary?
A virtual destructor ensures that the destructor of the derived class is called when an object is deleted through a base class pointer, preventing resource leaks.
How can I keep my inheritance hierarchy shallow?
To keep your inheritance hierarchy shallow, limit the number of levels in your class hierarchy and prefer interfaces or abstract classes to define behavior.
Are there any specific design patterns that work well with inheritance?
Yes, design patterns like the Template Method, Strategy, and Factory patterns can work well with inheritance, promoting code reuse and flexibility.
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