In C++, there are two types of inheritance: class inheritance and interface inheritance. Both inheritance mechanisms allow for code reuse and the creation of hierarchical relationships between classes. However, they differ in their purpose, implementation, and the nature of the relationship between classes. Let's explore the differences between class inheritance and interface inheritance in C++.
Class Inheritance:
Class inheritance, also known as implementation inheritance or implementation inheritance, allows a derived class to inherit the properties (data members and member functions) of a base class. The derived class can extend or modify the inherited properties, providing a mechanism for code reuse and specialization.
In class inheritance, the derived class inherits the members of the base class using the `public`, `protected`, or `private` access specifiers. The access specifiers determine the visibility of the inherited members in the derived class.
Here's an example that demonstrates class inheritance:
```
cpp`class Animal {
public:
void eat() {
cout << "Animal is eating." << endl;
}
};
class Dog : public Animal ....
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