Test Your Knowledge on Object-Oriented Programming Concepts and Data Structures

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Questions and Answers

What is inheritance?

A way to create new classes from existing classes. (correct)

A way to restrict access to class members.

A way to combine data and methods into a single entity.

A way to store data in a sequence of nodes.

What is the purpose of inheritance in object-oriented programming?

To create new objects from scratch

To inherit properties from one class into another (correct)

To override existing methods in a superclass

To delete properties from a superclass

Are private methods inherited by a subclass from its superclass?

Yes

No (correct)

It depends on the programming language

Private methods cannot exist in a superclass

Are private methods inherited by a subclass from its superclass?

No Signup and view all the answers

What is the visibility of private members?

Invisible outside of the unit or program where its class is declared Signup and view all the answers

Where are private members visible?

Only within the same class Signup and view all the answers

Where are public members visible?

Everywhere Signup and view all the answers

What is the visibility of public members?

Visible wherever its class can be referenced Signup and view all the answers

What is the visibility of protected members?

Visible anywhere in the module where its class is declared and from any descendant class. Signup and view all the answers

Where are protected members visible?

Only within the same program and from any descendant class Signup and view all the answers

What is encapsulation used for?

To hide data and methods Signup and view all the answers

What is encapsulation?

A way to combine data and methods into a single entity. Signup and view all the answers

What is a linked list?

A data structure that consists of a sequence of nodes Signup and view all the answers

What are linked lists?

A data type that consists of a sequence of nodes. Signup and view all the answers

What is hierarchical classification supported by?

Inheritance Signup and view all the answers

What type of classification is supported by inheritance?

Hierarchical classification Signup and view all the answers

What is a queue?

A data structure that consists of a sequence of nodes Signup and view all the answers

What is a queue?

A data structure that has four operations: Enqueue, Dequeue, Front, and Isempty. Signup and view all the answers

Which type of member is visible to everyone?

Public members Signup and view all the answers

What is the purpose of Enqueue in a queue?

To add an element to the queue Signup and view all the answers

What is the purpose of Dequeue in a queue?

To remove an element from the queue Signup and view all the answers

Which type of member is invisible outside of the unit or program where its class is declared?

Private members Signup and view all the answers

Study Notes

Inheritance is used to inherit properties from one class into another.
The output of the function Test2() is "2, 6" when called.
Private methods are not inherited by a subclass from its superclass.
Private members are invisible outside of the unit or program where its class is declared.
Public members are visible wherever its class can be referenced.
Protected members are visible anywhere in the module where its class is declared and from any descendant class.
Encapsulation is used to bundle data and methods that manipulate the data.
Linked lists are a data type that consists of a sequence of nodes.
Hierarchical classification is supported by inheritance.
A queue is a data structure that has four operations: Enqueue, Dequeue, Front, and Isempty.

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Description

Test your knowledge on fundamental concepts of object-oriented programming and data structures with this quiz! From inheritance and encapsulation to linked lists and queues, this quiz covers it all. See how well you understand private, public, and protected members, as well as the basics of hierarchical classification. Challenge yourself and learn something new with this informative quiz!