Inheritance is the principle that A. classes with the same name must be derived from one another B. knowledge of a general category can be applied to more specific objects C. C++ functions may be used only if they have logical predecessors D. one function name may invoke different methods

classes with the same name must be derived from one another
knowledge of a general category can be applied to more specific objects
C++ functions may be used only if they have logical predecessors
one function name may invoke different methods

The correct answer is: B. knowledge of a general category can be applied to more specific objects.

Inheritance is a powerful concept in object-oriented programming that allows you to reuse code and avoid duplication. It is the principle that objects of a more specific type inherit the properties and methods of objects of a more general type. This means that you can create a new class that is based on an existing class, and the new class will automatically have all of the properties and methods of the existing class.

For example, let’s say you have a class called Animal that has properties for name, age, and species. You could then create a new class called Dog that inherits from Animal. This means that a Dog object would automatically have all of the properties and methods of an Animal object, plus any additional properties and methods that you define for the Dog class.

Inheritance is a very useful concept, and it can save you a lot of time and effort when you are programming. It can also help you to organize your code in a more logical way.

Here is a brief explanation of each option:

  • A. classes with the same name must be derived from one another. This is not true. Classes can have the same name, but they do not have to be derived from one another. For example, you could have two classes called Animal and Dog, and they would not be related to each other.
  • C. C++ functions may be used only if they have logical predecessors. This is also not true. C++ functions can be used without having logical predecessors. For example, you could have a function called print() that does not have any other functions that call it.
  • D. one function name may invoke different methods. This is true, but it is not an example of inheritance. Inheritance is a specific concept in object-oriented programming, and it is not the same as having multiple functions with the same name.