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Derived Classes and Inheritance

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The document discusses the concepts of derived classes and inheritance in object-oriented programming, focusing on how derived classes inherit properties from base classes. It explains single and multiple inheritance, access specifiers (public, private, protected), and the implications of using base and derived class pointers. The document also covers overriding member functions, constructors and destructors in derived classes, and the differences between composition and inheritance. Examples illustrate these concepts through class hierarchies involving shapes like Point, Circle, and Cylinder.

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Do derived classes inherit constructors C#?

Inheritance in constructors is a feature in C# that allows a derived class to inherit the constructor of its base class. This means that the derived class can use the constructor of the base class to initialize its own fields and properties.

Are interfaces also inherited from object class?

Second, interfaces do not inherit from Object , but rather implicitly declare many of the same methods as Object (9.2). So, there is no common ancestor for the toString declared in Object and the toString declared in an interface. At best, if both were candidates for inheritance by a class, they would conflict.

What can be inherited by a derived class?

Following are the things that a derived class inherits from its parent: All the public and protected data members and member functions of the base class. Private members are not inherited.

Do derived classes inherit interfaces?

However, if a base class implements an interface, any class thats derived from the base class inherits that implementation.

Can a class inherit an interface?

By this definition, plainly a class which implements an interface has inherited all the interfaces methods; just look at the class and the interface and youll find that in a correct program, they have the same members.

What does derived class inherit?

Inheritance enables you to create new classes that reuse, extend, and modify the behavior defined in other classes. The class whose members are inherited is called the base class, and the class that inherits those members is called the derived class. A derived class can have only one direct base class.

What is the relationship between classes and inheritance?

Class Inheritance Relation A class inheritance relationship exists between a superclass and a subclass such that the subclass inherits data structures as well as operation definitions from the superclass without the need to define them again.

Do derived classes inherit protected members?

protected inheritance - the public and protected members of the base class are inherited as protected members of the derived class. The private members are NOT accessible by the derived class. private inheritance - the public and protected members of the base class are inherited as private members of the derived class.

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