Object-Oriented Programming (OOP) Concepts and Inheritance Quiz

Test your knowledge on inheritance, superclass, method overriding, and more. Dive into object-oriented programming with this quiz!

Practice Learn Test

Which of the following best defines inheritance in object-oriented programming?

The process of creating a new class from an existing class

The process of creating an object from a class

The process of modifying an existing class

The process of creating a subclass

In OOP, what does 'superclass' refer to?

A class that inherits from another class

A class from which other classes are inherited

A class that contains only static methods

A class that cannot be inherited

Which keyword is used in Java to implement inheritance?

extend

inherit

implements

super

What is the term used to describe the ability of a class to have more than one superclass?

Single inheritance

Multiple inheritance

Hierarchical inheritance

Multilevel inheritance

Which of the following is true regarding private members of a superclass in inheritance?

They are inherited by subclasses

They cannot be accessed by subclasses

They are accessible by subclasses only if they are also private

They are accessible by subclasses regardless of their access specifier

In Java, which keyword is used to prevent a method from being overridden in a subclass?

static

final

private

protected

In OOP, what is the process called when a subclass provides a specific implementation of a method that is already defined in its superclass?

Method hiding

Method overriding

Method overloading

Method inheritance

Inheritance represents which type of relationship between classes?

Has-a

Is-a

Uses-a

Contains-a

What is the significance of the 'final' keyword in Java?

It prevents a class from being extended.

It prevents a method from being overridden.

It prevents a variable from being reassigned.

All of the above.