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In object-oriented programming, what is inheritance?
In object-oriented programming, what is inheritance?
- The technique of encapsulating one class within another class
- The act of copying all properties and behaviors from one class to another
- The mechanism of basing an object or class upon another object or class, retaining similar implementation (correct)
- The process of creating new classes without any connection to existing ones
What does a 'child object' acquire from a 'parent object' in inheritance?
What does a 'child object' acquire from a 'parent object' in inheritance?
- Nothing, child objects do not inherit from parent objects
- Only the properties, not the behaviors
- All the properties and behaviors, except constructors, destructors, overloaded operators, and friend functions (correct)
- Only the behaviors, not the properties
What is one of the main benefits of inheritance in object-oriented programming?
What is one of the main benefits of inheritance in object-oriented programming?
- Avoid the need for creating new classes
- Reuse code and create classes built upon existing classes (correct)
- Restrict the use of existing classes
- Create completely independent classes with no connection to existing classes
What is not inherited by a 'child object' from a 'parent object' in most class-based object-oriented languages like C++?
What is not inherited by a 'child object' from a 'parent object' in most class-based object-oriented languages like C++?
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What does inheritance allow programmers to do with existing classes and interfaces?
What does inheritance allow programmers to do with existing classes and interfaces?
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Study Notes
Inheritance in Object-Oriented Programming
- Inheritance is a mechanism where a new class, the child or subclass, inherits the properties and behavior of an existing class, the parent or superclass.
- A child object acquires all the fields and methods of the parent object, which enables code reuse and facilitates a more hierarchical organization of code.
Benefits of Inheritance
- One of the main benefits of inheritance is code reuse, as a child class can reuse the code from the parent class and build upon it.
Limitations of Inheritance
- A child object does not inherit the private members (methods and variables) of the parent object in most class-based object-oriented languages like C++.
Advantages of Inheritance in Programming
- Inheritance allows programmers to create new classes and interfaces that build upon existing ones, facilitating the creation of complex systems and promoting software development efficiency.
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Description
Test your knowledge of inheritance in object-oriented programming with this quiz. Explore the concepts of base classes, derived classes, and class hierarchies.
